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![]() DonJoy pioneered the concept of functional knee bracing over 30 years ago. We've led the progression of performance ever since by studying the body, listening to athletes, consulting physicians and pushing the envelope of innovation. Today, DonJoy braces are standard equipment for competitors in over 44 countries. They count on us to create world-class products, while medical professionals look to us for unmatched service and in-depth education. The result - complete confidence for those who wear DonJoy braces, and those who prescribe them. FULLFORCE - SLEEK, STRONG AND CLINICALLY-PROVEN. Introducing FULLFORCE, the latest leap forward in prefabricated bracing technology from DonJoy. The FULLFORCE brace combines DonJoy's proven 4-Points-of-Leverage™ System with our patented FourcePoint™ hinge technology, the most powerful and clinically-proven solutions available to protect the ACL. Created for all activity levels, FULLFORCE's sleek, low profile and exceptionally light weight have made it the go-to prefabricated brace for competitive and recreational athletes of all kinds. DonJoy backs up the performance with its Knee Guarantee program, industry-leading education, expert training and exceptional service. ![]() DonJoy has taken hinge design and ACL protection to another level with its patented FourcePoint technology. FourcePoint is the only hinge design that's clinically proven to protect the ACL.2 It enhances DonJoy's 4-Points-of-Leverage System by dampening knee-joint extension and improving the overall mechanical performance of the brace, increasing flexion angles (5°)2 while simultaneously reducing shear forces (9%-13%)3 at the knee. The FourcePoint hinge utilizes a leaf spring mechanism that gradually applies adjustable resistance (0, 1, 2, 4, and 6 lbs.) that engages in the last 25° of extension, reducing time spent in the "at-risk" position (flexion angles < 60°).4 As for prophylactic benefits, a recent clinical study shows athletes who trained wearing a DonJoy 4-Points-of-Leverage brace equipped with a FourcePoint hinge were estimated to decrease their chance of non-contact ACL injury by over 50%.5 That's confidence every athlete can count on.
There are two differing approaches to brace design - passive and dynamic. Passive brace designs don't actively address instabilities, which allows the knee to move, or translate, before the brace takes effect - resulting in a greater chance of injury. DonJoy's dynamic design, 4-Points-of-Leverage System, continually addresses instabilities at all times, whether a patient is running, jumping, or standing. 4-POINTS-OF-LEVERAGE™ DonJoy pioneered dynamic bracing with the 4-Points-of-Leverage System, a unique cuff and strapping configuration that provides a net differential posterior force to the tibia, preventing anterior movement. The center of the hinge is just posterior to the midline and just superior to the joint line. This allows points 1 and 3 to compress soft tissue, isolating the femur and bringing it forward. Points 2 and 4 draw the tibia posterior, generating a net differential force, or constant load, directly over the tibia, preventing it from moving forward. The result is significantly reduced strain on the ACL. ![]() THE DONJOY DIFFERENCE The FULLFORCE design combines two clinically-proven DonJoy technologies in one brilliantly performing brace. Our 4-Points-of-Leverage System provides ligament stability and significantly reduces ACL strain. DonJoy's FourcePoint hinge dampens knee-joint extension, which increases flexion angles and reduces anterior shear forces on the tibia. The result - less strain on the ACL and a considerable decrease in the chance of injury. Together, these two technologies add up to ironclad confidence.
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