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DonJoy FullForce Ligament Knee Brace

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DonJoy FullForce Ligament Knee Brace

Provides complete protection of the ACL for athletes who don’t want to lose speed by weighing themselves down with a heavy brace.

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A lightweight brace that provides complete ACL protection.

The DonJoy FULLFORCE knee brace is one of the most powerful and clinically proven solutions for protecting the ligaments of the knee, especially the ACL, from injury.

The FULLFORCE is most commonly worn by competitive athletes who suffer from any of these conditions, can't afford to be weighed down by a heavy brace, and are not trying to prevent contact or impact related injuries (like a football lineman might want to do).

This knee brace is designed to provide complete protection of the knee for competitive athletes who are at the greatest risk for injuring their ACL. Utilizing DonJoy’s4-Points-of-Leverage system and the FourcePoint hinge, knee instabilities are continually corrected. This means an injury doesn’t have to occur for this brace to work - it significantly decreases your chance of getting hurt in the first place!

The FULLFORCE knee brace is sleek, low-profile, and exceptionally light weight. It is ideal for mobile athletes like wide receivers or basketball players that are looking for complete protection for their knee, but don’t want to sacrifice speed.

DonJoy is so confident in the protection you’ll receive from the FULLFORCE knee brace they’ll pay $750 towards your surgery if your ACL is re-ruptured while wearing this brace. You must register at to be eligible for this guarantee.

The DonJoy FULLFORCE knee brace is used to treat or prevent the following injuries:

  • Moderate to severe ACL instabilities
  • MCL or LCL instabilities
  • After ACL reconstruction surgery
  • Hyperextension

Product Features…and the benefits you’ll experience!

  • Four-Points of Leverage Dynamic System
    This patented technology was developed to reduce the strain on the ACL by distributing the load placed on the ligament via four points. Click here to learn exactly how the Four-Points of Leverage works.
  • FourcePoint Hinge Technology
    Makes you less likely to suffer from an ACL injury because it reduces the amount of time your knee is in an “at risk position”, enhances the Four-Points of Leverage by increasing the posterior load applied by the brace on the tibia, and improves your natural gait by applying progressive resistance before reaching a firm end point during movement.
  • Strong Aircraft Grade Aluminum Frame
    You get the benefits of a lightweight and low profile knee brace that is also stronger, thicker, and more stable than the other lightweight knee braces on the market.
  • Swiveling, Internally Mounted Strap Tabs
    Get a perfect fit by molding the brace to your knee, as well as enhance the fit and suspension of the brace with the swiveling strap tabs.

Sizing and Measurements

Click on the Size Chart tab above to learn how to measure your leg to determine what brace size you need.

Instructions for Use…how to properly fit your DonJoy FULLFORCE knee brace.

Click on the video tab for directions on how to get the proper fit.

Shop our complete selection of knee braces or browse additional DonJoy products.

Take the measurement of your thigh and calf 6" above and below your kneecap using a flexible type tape measure.  Use the diameter you measure here to choose your size.

    Size Thigh Knee Center Calf
    XS 13" - 15.5" (33-39 cm) 12"-13" (30-33 cm) 10"-12" (25-30 cm)
    S 15.5" - 18 .5" (39-47 cm) 13"-14" (33-35 cm) 12"-14" (30-35 cm)
    M 18.5" - 21" (47-53 cm) 14"-15" (35-38 cm) 14"-16" (35-40 cm)
    L 21" - 23.5" (53-60 cm) 15"-17" (38-43 cm) 16"-18" (40-45 cm)
    XL 23.5" - 26.5" (60-67 cm) 17"-19" (43-48 cm) 18"-20" (45-50 cm)
    XXL 26.5" - 29.5" (67-75 cm) 19"-21" (48-53 cm) 20"-22" (50-55 cm)
    XXXL 29.5" - 32" (75-83 cm) 21"-23" (53-58 cm) 22"-24" (55-60 cm)

    Center Knee 1.Stand with your legs shoulder-width apart, legs slightly bent and leg muscles contracted.
    6 in Above 2. Measure up six inches from the center of your knee with a tape measure, as shown.
    Thig Circle 3. Measure the circumference of your thigh at the 6-inch mark, as shown.
    6 in below 4. Measure down six inches from the center of your knee with a tape measure, as shown. Then measure the circumference of your calf at the 6-inch mark.


5 9

DonJoy FullForce Ligament Knee Brace reviews

like it - navygirl
This knee support is excellent. It provides a stability that allows me to move about without the fear of my leg buckling from under me. - DISPATCHER
Wore this brace during football while I had a torn ACL and it felt almost as if I didn't have a torn ACL. This brace was everything and more than what I expected it to be like. Thanks Donjoy for allowing me to finish my senior season of football. - Schrock53
This is the second DonJoy Brace I have purchased since I developed a knee injury in high school. I have had over a dozen knee braces throughtout my sports and military career. I have had many doctors and physicians give me different types of elastic slide on braces, cross velcro braces, and the basic ace wraps. Out of all the braces I have had, this brace and other DonJoy braces are the only type that I trust, support and urge other soldiers with similar injuries to purchase. I don't think I will ever choose to buy any other brand of brace for as long as I am still mobile! - army_pride_07
2 girls
Two of my daughters tore their ACLs within 6 months of each other, and both have this brace. They are able to still play volleyball, and will wear the brace for a year. It is light, but still protective. The sleeve helps when diving, to prevent pinching their skin at the top of the thigh. This will help insure that we do not have to have repair number three! - 2 girls
This is the best knee brace I think out there. I tore my acl on Mothers day 2011 and now I'm back on the fields. Its is light to wear. I dont even know I have it on. - allie
I play football and baseball in high school. My freshman year I hurt my knee in a football game. I had a stage two tear of my acl and meniscus. Although I didn't have to have surgery my knee continually gave me problems. If I made any type of cutting or pivoting motion my knee would buckle and I would be out for two weeks. I have tried multiple braces and sleeves and this is the only one that was durable enough to keep my knee in place with no problems. It isn't bulky at all, it's super light, and it is built to last! I can't think of anything that could take my knee down while I have this brace on. My only criticism is that the sizing is a little tricky. I would recommend getting the neoprene undersleeve to help keep it from slipping. This brace has allowed me to continue playing sports in high school and it will stay with me as long as I am still active. Thank you DonJoy! - Chris
Has made it possible for me to work on a daily basis without fear of re-injury. Highly recommend this brace - coppergate
I normally don't write reviews but his is a great brace. I tried the DonJoy Playmaker II Brace but it pinched the back of my knee and the patella donut was uncomfortable so I sent it back and ordered the Full Force since the front and back of the brace are open. I don't have an ACL in my left knee for 25 years now and my knee was slipping out of joint at work. I do maintenance so I am walking, bending, kneeling and lifting all day long. This brace does not slip down like the Playmaker brace did. I got the shorter version so I can wear 10" work boots. If you are looking for a brace to wear to work that wont slip, I recommend the Full Force. The brace is extremely comfortable and light weight. Its pricey but you get what you pay for. - Brad

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Questions on DonJoy FullForce Ligament Knee Brace

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  • From Locke at 5/5/2010 10:42 AM
    • Hi, I’m interested in the DonJoy Full Force Ligament Knee Brace. My question is what’s the difference between the CI or ACL option.
    • The difference between the CI and the ACL option for the DonJoy Full Force Ligament Knee Brace is the strapping sequence. The ACL option has 5 straps; 2 posterior thigh, 2 anterior calf, 1 lower posterior calf. The CI option has all 5 straps the ACL option has plus 1 extra strap on the anterior thigh.
  • From André at 5/21/2010 6:43 PM
    • I want a Knee brace to play soccer, so what's the best option for me? DonJoy Full Force our a DonJoy Armor Extreme? I have several instability ligament problem. I ruptured my ACL.
    • Both the DonJoy Full Force and the Armor are great braces for soccer. They both will provide ligament support and stability, as well as offer protection from injury. The DonJoy Armor is the strongest Off-The-Shelf knee brace available. The DonJoy Full Force has the lightest weight of the two.
  • From Edwin at 6/8/2010 7:13 AM
    • I have a prescription for a custom knee braces can you please tell me where can i find a special store to get measure and order me one I reside in Brooklyn take you for your help.
    • The DonJoy Fullforce is not a custom knee brace. They are considered off the shelf knee braces. You can order right off our website and we will deliver them right to you with a money back guarantee. If you need to exchange for another size that isn't a problem either. If you are truly looking for a custom knee brace have a look at the DonJoy Defiance Knee Brace: . This brace would be fit by a representative in your area and custom made for your knee.
  • From Susan at 7/19/2010 10:56 AM
    • When given the choice of ACL or CI, what is CI? We are trying to order a brace but not sure.
    • CI represents combined instability. It will address both ACL and PCL instabilities.
  • From Reggie at 7/29/2010 11:40 AM
    • How can i prevent the brace from sliding once my knee starts to sweat. During football practice the brace is constantly sliding down to a little below the knee cap. That is not the proper way to wear the brace . So, I am trying to figure out how to maintain the proper wear of the brace . This is the second brace that was custom made. The first one was a little to big, so the brace company custom fitted another brace. Same result !!!! I've tried it with a sleeve, same results...........ANY SUGGESTIONS ????
    • Hello Reggie.

      If the DonJoy Neoprene Knee Brace Undersleeve isn't working for you you can also try the DonJoy Anti-Migration Band For Rigid Braces. This band, made of suede, replaces the strap pads on the upper calf strap (#4, 5 strap) and helps to keep the brace suspended on the leg.

  • From Tommy at 8/2/2010 8:49 PM
  • From Bill at 8/4/2010 9:33 AM
    • Hi. I am interested in getting a knee brace for soccer but I am wondering what would be best, the donjoy armor or the donjoy fullforce?
    • Hello Bill,

      The DonJoy Full Force Ligament Knee Brace is most commonly worn by competitive athletes that can't afford to be weighed down by a heavy brace, and are not trying to prevent contact or impact related injuries (like a football lineman might want to do).

      The FULLFORCE knee brace is sleek, low-profile, and exceptionally light weight. It is ideal for mobile athletes like wide receivers or soccer players that are looking for complete protection for their knee, but don’t want to sacrifice speed.

      The DonJoy Armor is a studier, heavier brace designed to take more impact. Given your sport, I'd definitely go with a DonJoy Full Force Ligament Knee Brace.
  • From nate at 8/14/2010 3:08 PM
    • i play football i am the running back i need a brace for both knees i have ripped my mcl on one knee and ripped my meniscus and acl on the other i need protection for both knees for everything whats the best knee brace for me?
    • The DonJoy Full Force is a great choice. Your other two options would be the DonJoy Armor which is stronger and slightly heavier brace that offers a bit more protection. If you want and can afford to go custom you would want to get the DonJoy Defiance knee brace. It's the lightest, strongest and best fitting option. It's the same ACL knee brace you see all the NCAA and NFL players such as Peyton Manning and Phillip Rivers using.
  • From larry at 8/19/2010 4:11 PM
    • for the DonJoy Full Force Ligament Knee Brace can it be covered by insurance?
    • It really depends on your insurance. Your best bet is to check with them. You can make the purchase with and we will provide a receipt you can submit to your insurance. As an alternative you can use you Health Savings Account to make this purchase as well.
  • From Richie G at 9/4/2010 5:29 PM
    • Will the full force rust in salt water? I have a armor and the "d" rings rusted out
    • Hello Richie,

      The DonJoy Armor Knee Brace has metal tabs and "D" Rings, but the DonJoy Full Force Ligament Knee Brace has plastic tabs and metal "D" rings. The rust should be less of an issue, but you want to be sure to rinse the brace in freshwater after immersion in salt water.
  • From Karen at 10/28/2010 8:55 AM
    • I use a Full Force ACL brace and really like it. Can I swim with it on? if so, how do I care for it after it's wet?
    • Yes you can swim with it. After use, rinse with fresh water and air dry. Do not put any of the softgoods in the dryer.
  • From Ray at 11/4/2010 11:44 AM
    • I recently had acl surgery about three months ago, I getting a knee to start my running program and for when go back to playing football. I play d-line so they recommended the amor brace but i feel like the fullforce would be better for my style of play and for other sports activites I do. Like Muay Thai. I just need a suggestion on which would be better.

    • Hello Ray,

      The DonJoy Full Force Ligament Knee Brace is a great alternative to the DonJoy Armor. The Full Force is constructed of the same material as the Armor, but at a lighter weight. Ideal for quick moving activities where the impact protection offered by the Armor is not required.
  • From Jeff R at 11/22/2010 3:49 PM
    • Can this DonJoy Full Force Ligament Knee Brace be used in the salt water / I do kite surfing & required a brace that can handle this & not fall apart .or would one of the Armor Knee Brace with Forcepoint hinge be better

      Thanks. Jeff R
    • Hello Jeff,

      The DonJoy FullForce can be used in salt water, however you'll need to maintain the brace.

      Rinse the brace in fresh water after immersion in salt water. You'll also want to purchase a Teflon based dry lubricant for the hinges on your brace. This item can be found in most bicycle shops.
  • From Kyle at 12/2/2010 8:33 AM
    • Is the Full Force made of carbon fiber or aluminum? The description says aluminum but the picture looks like carbon fiber.

    • The DonJoy Full Force Ligament Knee Brace is made out of aluminum. The Carbon fiber appearance is cosmetic. It's actually the same material the DonJoy Armor is made of.
  • From Frank at 12/5/2010 4:51 PM
    • What would be the best and lightest brace possible at the Middle Linebacker position for football? The one that I have now by townsend is too heavy and is constantly sliding down.
    • Hello Frank,

      The DonJoy FullForce will provide the most support at the lighter weight than the Armor or other similarly constructed braces.

      The brace itself is malleable, meaning it can be bent without breaking. If you find that either cuff is loose and the straps aren't tight enough, simply bend the cuff to match the shape for a more snug fit.

      You may also want to try an undersleeve or Silicon Strap Padding to address migration.
  • From Dean Guiuan at 3/3/2011 6:40 PM
    • Two Questions;

      1.) What is the difference between short and standard options?

      2.) I know the ACL option, what does the CI option mean?

      Thank you,
      Dean Guiuan

    • 1. The difference between short and standard is the length of the thigh cuff. The standard is one inch longer than the short.

      2. CI stands for Combined Instability. This is the option you would pick if you had an injury to both your ACL and PCL. It gives you an extra thigh strap in the front.
  • From Jim at 3/4/2011 10:13 AM
    • Hi! I had ACL reconstrucive surgery a few months ago. I'm ready to go back to playing hockey and my ortho recommended wearing a knee brace. Would the standard or short calf model be best for me? Or does it even make a difference?
    • Hi Jim,
      Most Hockey players will wear a knee ligament brace with a short calf length to avoid pinching between the calf frame and top of the skate. So for comfort reasons I would suggest a short calf frame.

  • From Dean at 3/9/2011 4:14 PM
    • Today I received my Full Force knee brace. I order a small and have the correct measurements. It's tight around my knee and feels unfordable were it starts to hurt.

      Is there any way to loosen it around the knee?
    • Dean,
      Thank you for taking the time to email us here at regarding your Donjoy Fullfource Knee Ligament Brace. Did your brace ship with additional condyle pads (that attach at the hinges of your brace). If so, try and switch out the ones on the brace with the thinnest neoprene condyle pads (2mm thickness). This should open up your knee width (space between the hinges) on your brace. Should you have any additional questions, do not hesitate to contact us again.
  • From Ronald at 4/14/2011 5:09 PM
    • I'm trying to decide between the DonJoy Full Force and the DonJoy Armor Knee Brace with FourcePoint Hinge. How does the hinge f\technology compare between these two braces?
    • The FullFource and the Armor with Fourcepoint Hinges have the same hinges. The Armor frame is a denser thicker aluminum frame recommended for contact sport athletes. Should you have any additional questions please call us at 800-553-6019.
  • From Dave at 6/10/2011 3:42 PM
    • How do I tell if I have a short or standard calf lenght?
    • A standard length brace is 16" in total length, from the thigh bar to the calf bar.
  • From Brandon at 7/7/2011 5:12 PM
    • I am looking in to getting a new knee brace because the one I have no longer fits me properly. I am liking the full force knee brace, but I have a couple questions. First question, what is the difference between the short and standard length? The brace i have now is just under 15 inches, so i was wondering which length I should get? Also, I have been looking at the new Armour brace and was wondering how much of a weight different there is between the Armour and the Full Force?
    • The Donjoy Full Fource standard length is 16" the short is 15" so you should get the short. The Armor Knee brace is heavier than the Full Fource because it's made of a dense thick aluminum. Should you have any other questions please let us know.
  • From Mark at 7/23/2011 7:34 AM
    • My son is a sophomore in high school football and is 6'5" and weighs 290lbs. I am looking for the best preventative braces for his knees as he is an O lineman. What do you recommend for this?
    • I would recommend the Armor with the Standard hinge, it is the most commonly used in football. It can take the most beatings for an off the shelf knee brace. The fullforce is the next step down, just be cause it is not as strong and is only made with a single layer of the high aircraft grade aluminum, where the armor is a double layer.
  • From Shed at 8/12/2011 8:42 AM
    • Hi, there im from Manila, Philippines, how much is the shipment to my country? and if ever im getting a Customised brace, you'll send a representative to get my measurements, is this correct?
    • unfortunately we do not ship out side of the US. you will have to go through the company and one of the distributors in your local area. you can go to the website and look up a distributor near your area.
  • From Alex at 10/13/2011 9:58 AM
    • HELLO.
      I had two operations on my left knee. Now I want to buy brace to play soccer and hockey. Before the surgery I was playing 4 times a week.
      But the question is: Is it possible, during the games, wear "fullforse brace" on my healthy right knee, too? (To reduce the risk of injury). Are there any negative effects, if worn brace on the good leg ? (exmpl. weakening of the thigh muscles).
      Thank you.
    • Yes the FullForce is used to prevent ACL injuries. You may wear it during athletic activity.
  • From Jami at 10/13/2011 12:52 PM
    • I am going to be ordering the brace that is the top of the line for acl injury. could you please tell me what brace is the top of the line for this injury. I also want it custom painted. I really want a fushia but all I have seen is a pale pink. Can you help me with the colors I can have? I am going to be ordering the brace tomorrow so if you could please get back to me today sometime it will be very helpful.
    • Our Custom Defiance can be manufacured in various colors. Pink is an option.
  • From Tracey kingsley at 11/6/2011 1:17 AM
    • Hi

      I am looking to purchase a donjon knee brace open hinged for skiing. I had an ACL reconstruction 20 months ago.

      1. Is the clearance Amor Fource point ACL knee brace suitable for skiing an tennis?

      2. Does it come in short length for skiing?

      3. Could I wear my thermal legging under the brace for comfort.

      4. Is their a female version?

      Please tell me which brace will be most suitable and comfortable for skiing with best propection that is lightweight with full protection after ACL reconstruction surgery.

      I look forward to hearing your recommendations



    • Hi Tracey,

      Either the Armor or FullForce braces will provide support for your ACL while skiing. The Armor and FullForce are the same brace, except the Armor is re-inforced making it the strongest off the shelf brace we carry. The Fullforce is the lighter of the two. Both braces have an option for a short calf length, which you will need to fit into ski boots and can be worn over a thin base layer. The female version of the FullForce comes standard with a short calf, but there is no difference in the frame to make it more female specific. Bottom line is either brace will privide solid protection, the Armor is stonger, the FullForce is lighter weight and slightly lower profile.

      If you have additional questions please call, 1-800-553-6019

      Have a great day.
  • From Tyler Beach at 12/20/2011 8:01 AM
    • How do I wash the Donjoy Full Force brace?
    • You can wash all the softgoods by hand with laundry detergent, rinse, and air dry. Re-lubricate the hinges using a dry, Teflon based lubricant. Bicycle chain lubricant usually works well.
  • From Ashley D. at 12/29/2011 8:47 AM
    • I just got approved to go back to playing ice hockey today from my doctor post ACL reconstruction. I'm pretty sure he wants in a brace while I play. He said the on that he gave me would work just fine but the problem with that one is the hinges are really really bulky and do not fit under any shin pads I own or have tried on. Also I feel that it won't give the support I'm looking for during a game. So I guess I'm looking for a knee brace that isn't too expensive and will give me some support plus the low profile I need to fit under my hockey equipment. I have looked at several (DonJoy FullForce Ligament Knee Brace, DonJoy Legend SE-4 Knee Brace and one other I forget which) and just really undecided on which would be the best for me to use.

      Looking forward to seeing your recommendations and thank you very much in advance.


    • Thank you for contacting us. I would suggest looking at the DonJoy Armor brace as my first recommendation and the DonJoy Fullforce brace as my second. The Armor just has a second layer of the aircraft grade aluminum and is a little stronger, then the fullforce for taking hits. But either of these braces will be a good option and are very low profile.
  • From Daniella at 1/12/2012 11:01 AM
    • I completely torn my ACL last year skiing and I haven't done surgery yet, My husband got me for Christmas the Don Joy knee Armor so I can ski this year but we are having prpoblems in positioning right in my leg. How can you help me with that?
    • Log on to: and scroll down to the video icon and that will assist you with brace information and application instructions.
  • From Max at 1/25/2012 6:24 PM
    • Would this brace work for an MCL injury. If not is there a brace that would work for an MCL?
    • Yes the FullFource does support the MCL.
  • From Sabrina at 2/1/2012 5:41 PM
    • Hi,

      I took my straps off of my Donjoy Armor Knee brace to wash them, and now I can't get them back where they belong. Can you send my instructions or pictures for where each strap fits into place. I need the brace ASAP!
    • Please call Product Support at 888-405-3251 to assist you over the phone, we do not have an instruction sheet to email you, my apologies.
  • From Allen at 2/7/2012 5:32 PM
    • I have been playing collegiate/professional football the last 6 year and have grown to love the DonJoy knee braces. I refuse to play without them because of the fact I am an interior lineman and really hate to blow a knee out while not wearing my knee braces. My coach always joked around saying that the knee braces would save my life, and now that I think about it I have a a lot of instances where I have been rolled up on.

      I had some DonJoy knee braces customed fitted by a rep about two years ago and they have a lot of wear and tear on them. I wanted to know if there was anywhere I can send them so I can have them reconditoned, or simply the straps replaced and hinges fixed by a professional.

    • Yes call Customer Care at 800-336-6569 and you can get your braces refurbished with all new soft goods or remade if you'd like a new version of each brace made. They will be happy to assist you.
  • From Richard Hiew at 2/18/2012 6:40 AM
    • I am interested in the full force in my rehabilitation following a medial collateral ligament injury. Will the standard or short calf versions offer any difference in knee stability during rehabilitation or exercise?
    • The standard length will offer more support however; if you are 5"3" or shorter, participate in skiing, motorcross, rode, equestrian or have a calf muscle that sits high on your leg, you should order the short calf version.
  • From Matthew Schmidt at 4/3/2012 2:07 PM
    • Is the brace able to be used in the water im a wakeboarder and really want to use this brace while i wakeboard but im afraid it will mess it up

    • Yes you can. Just make sure you thoroughly hand wash and air dry all the padding and straps. Then re-lubricate the hinges with a dry, teflon lubricant. Usually a bicycle chain lubricant works.
  • From chris at 4/4/2012 6:00 PM
    • I recently started using the Don Joy full force, can I use it swimming in a chlorine
    • Yes it can. Just make sure to hand wash and air dry all the straps, pads, and liners. Re-lubricate the hinges with a dry, Teflon based lubricant. Usually a bicycle chain lubricant would work.
  • From jon at 5/16/2012 1:10 PM
    • I have a tear in the miniscus and a repaired torn acl previously, my question is i would like to continue playing basketball and softball but i want to be protected. Is the don joy full force the best option for me because i like the fact that it is light weight so i can still move fast but i want to make sure it is supportive of my injury?
    • Yes the Donjoy FullFource would be the best option with your condition and activity level.
  • From cody at 5/18/2012 12:54 AM
    • My left knee is very unstable. It will pop out of place at any time. What would be the best brace? and what size? I am 6 foot 175 LB.
    • The Armor with FP hinges or the FullFource are the best braces for knee instability.
  • From Gordon Springer at 6/11/2012 8:41 AM
    • My left knee is very unstable and pop out of place very easily. I have never had reconstruction surgery but would love to continue running. What would be the best brace for jogging? I am 5' 10" 185 lbs.

    • Hi Gordon,

      The answer to your question is a bit mroe detailed than can be answered via email. Please call 1-888-405-3251 and a Product Specialist can assist with your questions.

      Have a nice day.
  • From Chris at 6/14/2012 7:31 AM
    • I am involved in contact martial art sports such as Brazilian JuJitsu and MMA. Is there any pad or sleeve that can go over these braces to protect my training partners from the metail hinges and rings?

    • You need the Donjoy Sports Cover.
  • From Lyndsey at 6/21/2012 8:16 PM
    • I had two questions regarding this brace.
      1. For MCL injury should I order the ACL or CI option?
      2. Reading above questions I noticed short people or people with calf muscles that sit high should order the shorter length. I am 5'4 female with a high, good sized calf muscle and I was wondering if it is recommend still that I order the short length or not? I want the best fit possible without too much compromise of support.
    • 1. ACL Strapping
      2. Short Calf
  • From Rolando at 6/22/2012 8:56 PM
    • Im a 5"7 male. I was wondering what size calf should I get, the standard or the short
    • I would go with the standard. Betterbraces does have a 90 day guarantee, if it is too long you can return it and get the short
  • From moral at 7/25/2012 2:39 AM
    • Hello I am a 29 female and I tore my ACL and Latral Menisectomy on a football game im a Goalkeeper . i did 2 Surgery but they have to remov remove the ACL so now im without ACL. did the brace will help me to play football again? will it help me to Stabilize the knee ? also By what features I should take the size of the brace?
      thank you
    • Measure 6 inches above the midline of the kneecap, measure the mid kneecap and measure 6 inches below the kneecap. The Armor is the lightest strongest ACL brace off the shelf, Our Defiance is custom made to your leg measurements.
  • From Daniel at 12/11/2012 10:54 AM
    • Hi, what is the difference between the short and standard, will it make a difference performance wise? Is it sturdier to get the standard?
    • Hello, Daniel -

      The only differenc between the short and the standard braces are the lengths. You can either order a short or standard thigh or a short or standard calf. It does not affect performance, it is only to allow for people of difference heights and weights to fit in the brace better.

      Thank you and have a great day!
  • From Mark at 1/4/2013 12:17 PM
    • Here are my leg measurements:
      Thigh - 21"
      Knee centre - 15.75"
      Calf - 15.25"
      I am unsure about what size to order as my measurements span the medium and large sizes. Any suggestions?
    • Hi, Mark -

      You would go with the LARGE.

      Thank you and have a wonderful day!
  • From David at 1/8/2013 12:43 PM
    • This question was asked previously and it has to do with the pads pinching the knee and causing pain after a while. It was suggested to use the thinner pads, done. However, still some pain after about 2 hrs of use.

      I had originally gotten this before my surgery and it was fine, now that i have started PT and working again i have noticed this.

      I was told by the rep when i first got this, that the folds in the framework were made to be bent and adjusted to help with fitting. Whats the best way to bend it without breaking something?
    • David,
      If you are having some tightness at the knee joint, grab the brace at the condyle pads on the hinge and try and seperate the sides some, try it back on and see if that has alleviated the problem. Continue until you get a slight seperation that doesnt have a pinching feel, but you dont want to get it too wide that it starts to feel "sloppy" in the knee area.
  • From Khiew at 5/30/2013 1:33 AM
    • I just hd my ACL reconstruction surgery 3 weeks ago,im considering to buy Donjoy Fullforce or Armor knee brace...which one is suitable for me ??
      Im a Basketball player
    • Hello Khiew,

      If your unable to order a Custom ACL brace, and are interested in purchasing an Off the Shelf Brace, I recommend a Fullforce for basketball players, it's a lightweight brace, comes with fourcepoint hinge which protects the ACL, and has a swooping thigh cuff to accomodate your thigh.

      The Armour is best suited for football or contact sports. Its the strongest frame on the market.

      Please Call Us at 1-888-405-3251 so that we may assist you with placing your order.

      Have a Great Day.
  • From Ziggy at 6/7/2013 6:31 AM
    • Hi, I am a 54 women that still plays Recreational basketball. I have arthritis in both of my knees and I have all most bone on bone . I have had Cortizone shots I need a brace that can Relieve some of the pain when I am playing. What do you Recommend? Thanks!
    • Hello Ziggy,

      The OsteoArthritis Brace would be a good option for you if only 1 compartment is afftected. Do you have bone on bone on the Medial or lateral side only? If it's both sides of your knee than this brace would not be appropriate. The OA braces shift the weight from the injured side to the healthy side, relieving your pain. I recommend finding out from your Physician if you have damage to both the medial and lateral side of the knee.

      Your other option is to use a Rigid Knee Brace.

      Thanks for contacting Donjoy. Any additional questions please cal 1-888-405-3251.
  • From Susan at 6/12/2013 2:20 PM
    • My daughter is recovering from her ACL reconstruction surgery and her physical therapist recommended the DonJoy Legend SE-4 and her physician recommended the DonJoy Full force knee brace. She will be entering her senior year of high school and plays competitive soccer. She is 5'2". Which brace would you recommend? Is the Full force lighter weight than the Legend SE-4? If so, is it that noticeable for the price difference?
      Thank you,
    • Hello Susan,

      If you are interested in a Off the Shelf Brace, I would recommend a 4titude Knee Brace. Your daughter is 5'2, the only brace we offer in a Short thigh and Short Calf is the 4titude. Her other option would be to get a custom Defiance Brace.

      The Fullfource is much lighter than the SE4, and more streamlined. The SE4 is our most economical brace, but I believe it will be too long for your daughter. Anyone under 5'4 we recommend a short thigh and short calf, which is the 4titude.

      You can contact our Insurance Division and inquire about your insurance coverage for Bracing. 1-800-548-3370.

      Thanks for contacting Donjoy
  • From Gus at 6/13/2013 6:24 PM
    • Could this brace help prevent lateral knee dislocations. I'm a lineman and I've dislocated my knee 7 times in the past two years, and I'm worried i might tear something next time it happens
    • Hello Gus,

      Do you mean Knee Cap Dislocation? We have Patella Braces, to support the knee cap and provide proper alignment. The FullForce is an ACL Brace, and supports the MCL, and LCL. It supports the Ligaments of the Knee.

      The Fullforce is a great, light brace for football players who need knee support. But if you need a patella brace this is what I recommend.

      For additional questions please call a Product Specialist. 1-888-405-3251.
  • From Victor at 6/23/2013 9:30 PM
    • How do you I know if I should get standard or short calf length? I'm a 5' 8" male and want to wear as least as possible while playing flag football (for mobility), so am considering the short calf length. Will it affect the effectiveness of the brace if I go smaller than recommended?
    • Hello Victor,

      A short calf bar is recommended for those who have high calfs, and also for people shorter than 5'3. If your exactly 5'8 the standard length will work for you. If you happen to have really high calfs,meaning muscle sits very close to back of knee then a short calf is recommended.

      If you would like to speak to a Product Specialist Please call Product Support at 1-888-405-3251

      Thanks for contacting Donjoy.
  • From Justin Howard at 6/28/2013 3:26 AM
    • Hi I am 6'3 and I play tight end I just got over a meniscus tear and I was wondering should I get the short or standard bar?
      Thank you!
    • Hello Justin,

      Which brace are you looking at? I recommend the Standard Thigh , and Short Calf for athletes. The Armor is recommended for Football, it's the strongest frame available.

      Thanks for contacting Donjoy.
  • From Justin at 6/28/2013 11:13 AM
    • Hi you just answered my question asking what brace I was lookin at and I was looking at the armor brace! And you said you recommend the short for athletes ANd I am a athlete so should I get the short or standard if I'm 6'3
    • Hello Justin,

      The Standard Measures 15 1/2" long and the Shorts measures 14" long. I recommend a Short for you.

      Thank you for Contacting Donjoy.

  • From Jay at 6/29/2013 1:38 AM
    • Hi I play for a team and we where white Alot is it possible to make the armour brace white or is it only one color?
    • Hello Jay,

      The Armor is an Off the Shelf brace, it ships as you see it. If you would like a specific color you can order the Custom Defiance Knee Brace.

      Thanks for contacting Donjoy.
  • From Justin at 7/1/2013 8:38 AM
    • Hi I am getting ready to order the armour brace but I see only the dark color and the football team I play with wears a lot of white is that the only color or could I get it in white? Also if you have insurance can you bill them or not? Just wondering thank you for your time(:
    • Hello Justin,

      If you would like a specific color, you will need to order the Custom Defiance Brace. The Armor comes as you see it online. Please call your insurance company and ask them for your Durable Medical Equipment Coverage. You will need a perscription from your Physician.

      Thanks for contacting Donjoy.
  • From Justin at 7/1/2013 4:14 PM
    • Okay and what exactly had to be on the prescription and do you guys take anthem blue cross
    • Hello Justin,

      Here is our Insurance Contact Information: Shoreview. 1-800-548-3370. They can assist you with insurance questions.

      Thanks for contacting Donjoy.
  • From Wendy at 9/29/2013 7:14 PM
    • My daughter had acl surgery in January 2013 and is just back to playing softball. She dove fore a ball and the leftt leg on the right inside of the brace bent is there a warranty on this product.
    • Wendy,
      Please call customer service as there is a 1 year warrenty on the frame and hinges.
  • From Kala at 10/5/2013 5:20 PM
    • I am a level 8/9 gymnast and headed of to college next year and I have a question I fell and hit the inside of my knee. Since I was able to walk the doctor just did a x-ray and said all was fine I wear compression knee sleeves to combat swelling. I was wondering does DonJoy have a brace that would support my knee from feeling like it is giving out when leaping and tumbling. I have also noticed most companies really focus on football and basketball. Most braces I have had over the years hardly last 3 to 6 months. I would love to get a bunch of gymnasts together and help a company make braces that work for gymnastics. The foam pit really messes up velcro, and when it gets messed up we either stop wearing the brace, tape it, or try to replace it which isn't always an option with the price of gymnastics.
    • Kala
      Thank you for contacting product support. Take a look at our Reaction Knee Brace: The Reaction reduces anterior knee pain by dispearsing force across the knee. It has a web design that stabilizes the patella on all sides and absorbs shock and shifts peak loads away from the painful area of the knee. Its comfortable to wear and it's breathable. This might work better than a traditional neoprene sleeve for the stuff that you will be doing. If you have any other questions please do not hesitate to ask.
  • From Alejandro at 10/21/2013 3:45 PM
    • i ruptered ACL. with DonJoy FullForce could i play soccer...or i would have to have surgery
    • Alejandro,
      The decision on surgery would be up to your doctor. Our FullForce is designed to give support to the ligaments of knee. The FullFourse specifically is designed with the ACL in mind. It will offer the correct strapping as well as our FourcePoint hinge which together will give increased support to the knee with an ACL injury.
      If your doctor advises that you can play soccer with a brace, this would be a good option for you.
      Thnk you for your question and contacting DJO.
  • From mon at 10/26/2013 8:07 AM
    • i am allergic to neoprene. will it also cause some rashes?

      center knee= 15.5"
      calf= 14.5"

      is it medium?
    • Mon
      The size is a medium. The brace doesn't have any neoprene in it but to be safe you can order a cotton/lycra undersleeve to wear underneath. Here is the link for that
  • From shamiya clement at 11/18/2013 6:28 PM
    • i am a basketball and track and field athlete and I was wondering would I be able to have full range of motion with the donjoy fullforce ligament knee brace because i had surgery to repair my lateral meniscus in july of this year...
    • Shamiya,
      You will have full range of motion with the DonJoy FullForce Ligament Knee Brace. It is very popular among athletes who have injuries as well as these who wish to use the brace for prophylactic reasons. I you have any further questions please feel free to contact us.
  • From hong at 11/29/2013 2:19 AM
    • please kindly answer for a few questions.

      1. Should i select Medium size? for my left leg measured as
      center knee : 14 inch
      thigh : 19 inch
      calf : 15 inch

      2. i am 168 cm. hight, wearing DONJOY VELOCITY ankle brace, should i select lenght SHORT or STANDARD?

      3. does the item DonJoy Anti-Migration Band come with FULL FORCE knee brace, or need to purchase separately?

      4. how many condyle pads come instantly with the FULL FORCE for the set price 524.99 $.

      5. a bit stupid question : the CI has one function more that ACL, why the price is same?

      yours sincerely
    • Hong
      Thank you for conting DJO
      1. Yes medium
      2. Short Calf
      3. Yes it comes on the brace
      4. The brace comes with extra pads for the condyles. 2 2mm, 2 3mm and 2 5mm
      5. The CI is one more strap than the ACL strapping 6 straps rather than 5 that is all. If you have combined instability issues you can get the extra strap but if you just have a ACL then get the ACL strapping
  • From David Love at 12/11/2013 11:47 AM
    • Hi,

      I caught my left ski edge and twisted my knee outwards last year(second time in 10 years) and believe the injury to be meniscus related(although i have not had an official diagnoses this time) I get occasional pain from this this type of twisting motion and want to protect myself while skiing. My measurements are 20.5 thigh,14.5 knee. 15 1/4 calf.

      What brace do you recommend. I know short calf length, but do i go with ACL or CI?


    • David
      Since you do not know what exactly is wrong with your knee I would suggest you go with the CI strapping, in a medium size. The FullForce does come in a short calf to accommodate your ski boots. This brace will help prevent any further injury to you knee
  • From olga at 12/23/2013 1:54 AM
    • Hello. I had a tear of ACL and meniscus. I had the operation. I want to go snowboarding. What do I need to to choose: FullForce or Armor ? Is FullForce have enough strength for snowboarding?. Need i to take a short or standard version? Short version as well fastened on leg?
    • Hello,
      Thank you for your question. It would be recommended that you use the Armor, short version for snowboarding. The Armor is going to be more durable and the short version will allow room for the boots. The standard will be 7.5” from center of the knee joint, down and the short will be 6.5”.
  • From Tommy at 12/30/2013 6:06 PM
    • I had ACL recon almost 8 mo ago. I recieved my Fullforce knee brace, and trying to fit and set the settings. I have flexion and ROM, and will be using it while playing baseball and hiking. About the settings, do the resistance adjustment screws control extension or flexion? Also, does the resistance switch control extension? I see that standard ext stops are at 10* but does turning the switch to "off" turn the ext stop off, giving full extension? At 10* i still feel like i need to extend fully to walk, run, and stand. Thanks.
    • Tommy,
      Thank you for your question. The flexion and extension stops need to be changed out though your Physical Therapy clinic or through a DonJoy rep. You can find your rep by entering your zip code into the following link.
      The FourcePoint Hinge offers resistance in the last 35 degrees of extension (that’s with the 10 degree stop in, if changed to no extension stop it will begin to offer resistance at 25 degrees). You can change the resistance setting from 1,2 or 3, which offers 2,4, or 6 pounds of resistance during that last 35 degrees of extension. This will cause a deceleration giving protection to your ACL. You can also set the resistance to 0 (offering 1 lb of resistance) or turn it off simulating a standard hinge with no resistance.
      Please let us know if you have any further questions.
  • From David mazariegos at 1/11/2014 12:23 AM
    • I just had an acl surgery, looking to get back to basketball soon. What is the best knee brace for a big fella?
    • David
      The full Force is a good brace post surgery to get back into sports. Make sure you follow the sizing chart and if you do not fit into one of the sizes you may need to custom
  • From Gail at 1/12/2014 4:08 PM
    • How much does the brace weight?
    • 20 oz
  • From Marcos at 3/29/2014 9:27 AM
    • Wich flexion is achieved with the fullforce? Is there any difference to armor.? Thank you
    • The difference between the full force and the armor is the thickness of the aluminum fram only. The Armor is thicker and would be a better brace for full contact sports or skiing. The Full Force is lighter wieght and is better for speed
  • From Marcos at 3/29/2014 9:34 AM
    • Another question: is possible to run and go to the gym with the fullforce brace? Thank you once again
    • Yes you can do any physical activity in the Full Force
  • From Joe at 4/5/2014 8:45 AM
    • I am awaiting surgery to repair a ruptured ACL and a medial meniscus tear. In the mean time I am looking for a brace to wear for pre-op protection and stability that I can also use for protection & stability to return to non-contact/minimal-contact recreational sports (triathlon, lacrosse, & maybe hockey) after my recovery. I'm 40 yrs old, 6'0, 165lbs. I'm leaning towards the Full Force w/ Fourcepoint hinge, but have 3 questions.

      1. I see that the Amor brace now comes with a low-profile Fourcepont hinge. Does the Full Force also offer the low-profile Fource Point hinge?

      2. Is there any reason not to get the CI version with the extra strap, even though my injury was strictly with the ACL? Would the CI version provide extra protection and stability? Is it easy to add/remove the extra thigh strap to convert the brace back and forth between CI and ACL only?

      3. I understand that the Armor is stronger and heavier, having two layers of aluminum rather than just one, but can you tell me exactly what the weight is for the Full Force and for the Armor? I understand that it would depend on the size, but I'm just looking for some numbers for comparison sake. For what it's worth, I'd be buying a medium. I'm trying to get an idea of how much weight I'll be adding to my leg as compared to the neoprene brace that I have now.

      Thank you very much!!!

    • Joe
      1. The FullForce has the same low-profile fourcepoint hinge as the Armor
      2. Get the ACL stapping you do not need the CI strapping
      3. The Armor is 23 oz and the Full force is 20 oz
  • From David at 4/7/2014 7:51 PM
    • My son had a partial tear of his ACL about a year ago. He ha since started traveling soccer, and keeps tweaking his knee. He needs a brace for support and we are looking at the full force ligament brace. He is only 12 so we would like to get a brace with room for growth. He measures thigh- 17" ,Knee14 3/4 ", and calf 14" what size would you recommend ??

    • Thank you for your question. Although your son’s measurements for his knee and calf fit in the low range of the Medium measurements, his thigh is well within the small range. It would be suggested to go with the small, which will accommodate his knee and calf, and would allow room for thigh girt development.
  • From John at 5/30/2014 9:21 PM
    • Hello,

      My FullForce knee brace shipped with a packet of metal pieces labeled 45, 60, 75, and 90, and two small screws. The packet itself was labeled with the number "12-2352-0-00000." What is this hardware used for?

      Thank you.
    • John
      That is the flexion/extension stop kit. That would only need to be used if your physician wanted you to have limited range of motion. The pieces go into the hinge to limit movement of the knee
  • From Mike at 6/3/2014 12:44 AM
    • I've read that the DonJoy Full force brace is lighter than the Action Armor Extreme brace, but would like to know what exactly is the weight difference between the two? I'm 5'8" and weigh about 195 lbs. so am thinking that the weight difference would not make that much of a difference for me because of the muscle mass that I carry. I would like to use the brace for playing basketball, running 5Ks to marathons, swimming and biking (Xterra races). I have a partial meniscus tear and ACL Patella autograft revision (2nd ACL reconstruct) on my left knee and also a Patella ACL reconstruct on my right knee. The left knee was done in 1989 with a hamstring autograft and recently redone 3 weeks ago, and the right knee was done in 1998. Thank you!
    • Thank you for your question. the weight difference would be about 1 ounce. This it not a significant amount, however when running long distances or using it for an extended period of time, one may notice the weight difference. the Armor is a thicker brace and generally suggest for contact/extreme sports.
  • From David at 6/3/2014 4:37 PM
    • Hi, I had an ACL surgery 8 months ago, and I still have some pain in my knee I think it is because I need more strength on my quadriceps, but when I work out the pain comes. I used to practice kitesurfing and some running, do you recommend the fullforce knee brace?
      I’m 5’4” tall and the measures of my injured knee are: Thigh 17,7” Knee 14,2” and Calf 13,4”.
      I hope this measures increase while a get my leg stronger since my good knee measures are: Thigh 19,3” Knee 14,2” and Calf 13,8”.
      Which size should I buy Small or Medium? I will buy also the neoprene sleeve.
      PD: if I get the short one, should I still measure 6” above and bellow the knee?
      thanks in advance
    • David
      Based on your measurments and considering that you will most likely build up more muscle in your thigh I would say go with the medium brace. The frame is moldable so you can make it tighter on the thigh and the calf, then when you feel it is getting tighter you can pull the frame out a little to make it bigger. The short version is still measured at 6" below the mid kneecap.
  • From Mike at 6/4/2014 1:01 AM
    • I am planning on getting the DonJoy Full Force Brace, and my measurements are:
      Thigh - 20 1/4
      Knee - 16 1/2
      Calf - 17 1/4

      What size brace should I purchase since the measurements fall in both the medium and large ranges?
    • Mike
      go ahead and order the large brace. You can mold the thigh cuff alittle to make it a little more snug if you need to.
  • From Tiffany at 6/14/2014 6:34 PM
    • I am into my senior year in highschool I tore my ACL abt 3 weeks ago. I play fieldhockey and do competative cheerleading where I do a lot of trumbling could one of these braces work for me.
    • The DonJoy Full Force Ligament Brace and the DonJoy Defiance will protect the ligamentso of the knee, however you should speak to a physician about weather or not you are cleared for this activity and speak with the doctor about braces.
  • From Alina at 6/29/2014 4:41 PM
    • how can i know what option shoud i choose in the calf length option?
    • You will want the short calf if you are shorter than 5'2", plan on skiing in the brace or compete in motorcross or another sport in which you would need something on your shin, such as shin guards
  • From Timothy at 7/13/2014 1:55 PM
    • Hi, I recently got surgery to replace my ACL and is in the process of recovering. I'm a basketball player that utilizes a lot of powerful movements that jerks the knee in many directions. I'm also an avid runner and hiker. What knee brace would you recommend? I'm current looking at the FullForce and Armor with FourcePoint Hinge
    • Timothy
      Either of those braces will be a good choice to play basketball in after recovering from a ACL reconstruction. The Armor has a thicker frame and is a little heavier than the FullForce. The Full Force is a lighter aluminum frame and a little lower profile. The Full Force might give you a little more freedowm than the Armor
  • From Jacopo at 8/18/2014 10:35 AM
    • Hi, I had a revision surgery to my right Acl a year ago, after a long rehab, my surgeon gave my the possibility to return to play basketball. He suggested me to buy a don joy knee brace. What knee brace would you recommend to return to play at high level keeping my knee safe?
      I have another question; I'm male 6 ft
      Have i to choose medium or small? Standard or short?
      Thanks in advance
    • Jacob
      The DonJoy FullForce Knee Brace is a good option for you. With your measurments I would get the medium with the standard calf. The thigh will be a little big but the frame is aluminum and you should be able to push the ends of the thigh cuff together a little if it seems too big.
  • From Joy at 8/19/2014 7:55 PM
    • I already have a DonJoy Defiance brace and have a couple of issues and questions.
      What is the weight difference between Defiance II and the FullForce?
      What parts should I buy to help prevent it slipping down? I already have the neoprene sleeve but live in a hot, humid climate and can't wear it in the summer.
      I have Multiple Sclerosis and hyper extension of my knee with every step. My ortho adjusted the hinges to prevent full extension but because it is basically 'free-wheeling' (good for most people, bad for me) there is still a bad snap back. Even though it stops before full extension, there is no tension to slow the painful snapping action. Is there any other adjustment he can make to add tension or slow the hinges just prior to hitting the stop? Due to the MS I have shortened calf and weak, unresponsive hamstring muscles and almost no control of the extension while standing or walking.
      I also have an AFO but cannot wear it with Defiance because the AFO comes too far up my calf. I have to make the choice of foot drop or no knee control. If I order FullForce I should get the short, right? It is shorter from the knee down and I may be able to wear it with the AFO? If it simply does not work can I return for a refund?
      Thank you very much.
    • Joy
      The Defiance weighs 22oz and the FullForce weighs 20 oz. If your Defiance has a Fourcepoint hinge that can be adjusted to apply 6 lbs of pressure to resist extension, that is the only other suggestion I can make if you already have stops in the brace. The only difference between the FullForce and the Defiance is the 3 oz weight, and if you do not have a fourcepoint hinge. If you do not know if you have that or not you can give us a call at 888-405-3251. In order to wear the AFO and the Brace you would need to take a measurement of your calf with the AFO on and use that for your calf measurment. We have a neoprene suspension strap that can be used for brace migration. If you purchase a brace on BetterBraces we give you a 90 day moneyback guarentee
  • From Joy at 8/19/2014 8:16 PM
    • Can my Defiance be retrofitted to change it to the Fource Point Hinges?
    • Joy
      We can do that it is called a retrofit
  • From Charles at 9/10/2014 12:16 PM
    • I have PCL injury so I am looking for a knee brace. I see the SE4 and Fullforce offer CI for ACL and PCL so which one? I do crossfit and TaeKwon Do as my main activities.
    • Charles
      For a PCL injury you will want the SE4 knee brace because it has the standard hinge and you should get CI strapping. The FullForce's hinge should not be used with someone with a PCL injury
  • From Eric at 9/11/2014 10:28 AM
    • Hello, My english isnt the best but I hope you understand.My question is would I be able to skateboard with this ¨Donjoy¨? I suffer from a anterior cruciate ligament accident that I got from skateboarding.
    • Thank you for your question. The FullFource would be an appropriate brace for your injury and activities. You may even look at the Armor, as it is a more durable brace, but will weigh a few ounces more.
  • From Albert at 9/12/2014 7:15 PM
    • I'm 5'7 1/2, what size should I use, and also short calf or standard?

      15 knee cap
      20 3/10 thigh
      15 1/2 calf
    • Thank you for your question. You could wear a Medium FullForce Ligament Knee Brace. You can go with a standard length, unless you play sports/ do activities where you need the extra clearance on your shin. For Example: Soccer, skiing, motocross. Please let us know if you have any additional questions.
  • From aggiemedic at 9/15/2014 11:17 PM
    • I play roller derby and I'm looking for a knee brace. I have ACL and LCL instability from multiple injuries. We do a lot of lateral movement. Derby is a full contact sport and falling is common. I was looking at the Full Force or the Armor Ski Version. What would be the best brace?
    • The Armor is the most rigid off the shelf brace on the market. It i sused by football linemen. I am afraid the FullForce will nto hold up to the rigors and physicallity of roller derby. The armor ski or Armor with a short calf would be your best option.
  • From Joe T at 9/23/2014 7:15 PM
    • Hello. Partial ACL tear in right knee. Avid basketball player and hiker. Going with the FullForce for sure. Measurements though are tricky.
      Bad Knee:
      Thigh 17.5, Center 15, Calf 14

      Good Knee:
      Thigh 18.5, Center 15, Calf 14 3/4

      Been trying to build up the quad via maybe the Medium is what I need? Thanks DonJoy!
    • Joe
      I agree that the medium would be the best size especially if you will be getting the quad bigger with therapy. The frame of the brace is aluminum so it can be molded for a tighter fit if you need
  • From Carol at 9/26/2014 9:14 AM
    • I have the OA Fullforce Medial brace and need instructions on how to replace pads and straps once they are removed to be cleaned.
    • Carol
      I have tried on several occasions to send you the power points we have over my outlook email and the e-mail delivery fails every time. Is there an alternate e-mail that we can use?
  • From Annie at 10/1/2014 12:38 AM
    • My thigh is 20.5 inches (size M) but my calf and knee are 13.5" and 13" in diameter (size S). Which size should I buy then? Thank you.
    • Since your thigh is a medium and the knee and calf are smalls, you can either get the medium and mold the calf and use extra pads for the knee. The other option is to order the small and mold the thigh by pulling the frame out. It may be easier to get the medium and mold.
  • From Dave at 10/17/2014 5:43 PM
    • My thigh is 18.5 inches (M), my calf is 16 inches (M), but my knee is 16.25 inches (L). What size should I buy?
    • Dave
      Because you knee center is 1.25" over the medium size you would have to otder the large to get your knee into the brace. Unfortunatly your thigh is small and the large brace will have some gapping in the thigh. The brace is malleable so you can push the thigh cuff in to mold it to your leg.
  • From Jaime at 10/17/2014 9:09 PM
    • Hi,

      My son is 13 year old and he has partial ACL tear. He require now to use brace and i'm thinking to buy the full force. He is a big kid for his age (5'7) and his measurements are:
      Tight: 20.8"
      Knee: 15.5"
      Calf: 14.5"

      What would be his best option? M or L. He play primary soccer, so i was also thinking about short or standard size?

    • Jaime
      You will want to order the medium brace in a short version
  • From Jonathan at 10/24/2014 8:50 PM
    • I have a small articular cartilage defect/tear near the lateral femoral condyle. Is this brace suitable? If not, what is the best brace available regardless of price?
    • Jonathan
      The OA Nano would be a better brace because you can unload that lateral side of your knee where the tear is and take any pressure off of it.
  • From Chris at 11/8/2014 3:58 PM
    • I recently tore my meniscus and was wandering what rigid braces could I wear for my upcoming basketball season.
    • Chris
      Any of the rigid knee braces will provide the needed support for your injury. The Full Force will give the most support for prevention of other ligamentous injuries. The Full Force has our fource point hinge and 4 points of leverage strapping system to provide the best ACL protection. I would suggest this brace to wear to protect your knee from further injury while playing basketball.
  • From Wayne at 11/14/2014 10:00 PM
    • Hi,
      I have a torn acl. Will this armor stabilize my knee during basketball even if i did not undergone any operation?
    • Wayne
      The Don Joy Full force is the right brace for you to use for a ACL tear, playing basketball. The brace is not guarenteed to competley protect your knee since you opted not to have surgery, but wearing this brace will be better for you than anything else.
  • From Jose at 11/17/2014 12:15 PM
    • I'm between Armor Fource Point or Full Fource, I have a torn ACL and I practice CrossFIt and Enduro Motorcycle Ridding. I rather have a lighter brace for my Crossfit practices but I'm not sure if this brace can take hits. Is Full Fource used also by Enduro or Motocross riders?

      If I go for the Armor, what´s the weight difference between it and the Full Force?
    • Jose
      The Armor Fource Point hinge is the best becuse it is the stronger frame of the two
  • From Jose at 11/18/2014 4:24 AM
    • My measures are:
      Thigh 19'' (M)
      Knee 16'' (L)
      Calf 14.5" (M)

      What size should be good for me?

    • Jose
      The Medium
  • From Wayne at 11/25/2014 1:00 AM
    • Hi,
      My measurement is
      thigh - 19.5
      knee - 14.5
      calf - 14.5

      what is the right size for me?
    • Wayne
      You would need to order the medium
  • From Bernardo at 12/1/2014 8:02 AM
    • I recently had acl surgery, I getting a knee brace to start my running program and for when go back to playing football. I play defensive back. Can I use fullforce to play football or would be better to use the Armour?
    • Bernardo
      The Don Joy Armor with Fourcepoint hinge would be better for contact sports. The Armor has a thicker frame better suited for contact sports
  • From Brett at 12/7/2014 4:18 PM
    • I play the following sports: snowboarding, wakeboarding, soccer, and flag football. (snowboarding being the most regular and frequent). I am a skill position player so I need to be quick, fast, and movable.

      Is the armor, full force, or SL-E4 the best option? I think a standard position may fit with my snowboard boots so that's not an issue.

      What is the advantage of the full force over the SL-E4 if the short calf option is taken out of consideration?
    • Brett
      You are going to want to go with the stronger brace for snowboadring which is the Amor Knee Brace. The Armor has a thicker aluminum frame and is more for contact sports. The Full Force has a thinner frame so it would not withstand contact as well as the Armor. The SE4 point does not come in a fourcepoint hinge if you are looking to protect the ACL. The fourcepoint hinge is a better hinge for the ACL
  • From Cathy at 1/2/2015 3:47 PM
    • My son had ACL surgery in February 2014. Thankfully he is doing excellent. He has had his brace for a few months now and his doctor said he only needs to wear it while doing "cutting" activities ie/ while playing basketball. The brace is pretty comfortable and does not limit his performance too much, but it is intimidating for others who watch him play. How long after surgery do you recommend wearing this brace? What are the benefits and disadvantages to using it vs not using it during sports?
    • Cathy
      We do not give recommendations for how long to wear the brace. This is the decision of your doctor.
  • From Joel at 1/6/2015 12:50 PM
  • From Nick at 2/1/2015 12:34 PM
    • I had LCL & ACL surgery and I plan to return to Wrestling and Judo, but not full competition, I just like to train. How would this brace hold up to these types of combative sport? or what brace would you recommend instead?
    • Nick
      The Full force would be a great choice. The brace is light weight and low profile while providing protection of the knee. I would suggest a brace cover as well
  • From Paul at 2/7/2015 4:04 PM
    • Hello. I was wondering what the overall length of the Full Force in a SHORT, medium size, CI version, right leg. Im 5'4". And what would be the best option to keep it from sliding down my leg while running AND make it more comfortable because i have to wear it all day at work also. I'm also considering the ACL Everyday Brace because of its overall length...
    • Paul
      The Full force in a short calf is 15 inches in length and based on your height this would be the best length for you. The Full Force is the better of the two braces and can be worn for running as well as everyday activities. The ACL Everyday is a shorter brace about 12 inches but is not for someone who is active.
  • From Sebstian at 2/10/2015 10:14 AM
  • From Kelly Wilde at 2/23/2015 5:41 PM
    • Hi -
      My daughter has had ACL reconstruction in both knees. She is 14 and is ready to get back to her sports. She plays volleyball, basketball and does the triple jump and long jump in track. We are looking at the Full force but aren't sure if that will be the best for triple jump/long jump in track. We are not really sure what sport of the options really comes close to those track activities to choose the correct brace.
    • Kelly
      The Full force would be a good brace for her to use. The brace is light weight and low profile but still has our foucepoint technology to help reduce the possibility of a re-tear. This would be our best off the shelf option for her. The only other brace that I would reccommend is our custom Defiance which is custom made for her. thei brace is measured and ordered by a local Don Joy sales rep. If you are insterest in in the custom brace then you can look up you local rep here:
  • From Bryan at 3/4/2015 2:43 PM
    • I'm a 56 y/o athlete (biking, yoga, hiking, adventure cycling) who sustained a ACL/PCL/MCL injury, then reconstruction. I'll be purchasing the CI Full Force based on my surgeon's recommendation.

      I am concerned about the marked atrophy in the involved leg. Won't the brace no longer fit once I have recovered more normal bulk in my calf and thigh?

      Is brace replacement for (eventual) poor fit part of your guarantee.

      Thanks for your help,

    • Bryan
      You may want to wait to purchase the brace until you have built back most of your muscle because if the brace no longer fits you, you would be forced to purchase another brace. I would also like to cautioin you on purchasing the Full force and suggest the Armor with the Standard hinge instead. The Full Force has our fourcepoint hinge which is designed to protect the ACL but is contraindicated for a PCL injury and therefore may put undo stress on that ligament. The standard hinge will provide support for both ligaments.
  • From Annie at 3/21/2015 6:50 PM
    • I am not quite 5' 5" and was wondering if the fullforce short brace would be short enough or will it be too long?
    • Annie
      The short calf would be the appropriate length for you

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