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Patented in 1992, Defiance braces have advanced leaps and bounds thanks to technological increases. Griffin’s brace also now has a force-point hinge in the center that acts as a shock absorber.

When Griffin’s knee closes to within 25 degrees of full extension — the point where serious injury is more likely to occur — the hinge helps slow the knee. Moore compared it to the spring on a diving board that can be tightened to reduce bounce. The hinge also “teaches” the knee how to flex when running, jumping or cutting, which also limits injury risk.

“He’s got a beautiful brace leg, he’s very muscular,” Moore said. “Not all of our patients are Robert Griffin III. We might have 5-foot, 300-pound people with knee problems. Here you’re putting it on muscle, not loose tissue. His leg is ideal.”