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The depth and integrity of the menisci assist condylar motion as the femur maintains contact during loaded motions such as flexion and rotation. The intercondylar notch of the femur, especially in females, can be a structural risk if too narrow, resulting in compromised space for the ACL during rotation.
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These factors, although only modifiable via surgery, should be recognized as potential causes of ACL injury. Structural features of the knee that increase risk of injury to the ACL include intercondylar notch size as well as the integrity of the menisci. Any alteration in the biomechanics or muscular control of the knee increases the risk of ACL injury. The combination of active muscle contraction with precise neuromuscular timing assists with knee stability during running, jumping, and cutting or pivoting maneuvers. The orientation and direction of the bands of the ACL act as a biomechanical restraint for rotation as well as limiting anterior translation of the tibia on the femur. The ACL, extending from the lateral femoral condyle to the crest of the anterior medial aspect of the tibia, contributes to knee stability via passive restraint. An accurate functional assessment tool and intervention are needed to curb this injury trend and identify factors that predispose athletes to injury.įunctional Anatomy and Biomechanics of the Knee As a result, knee injury (specifically ACL) has a large impact on future athletic performance.
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Despite the ongoing research to identify contributing factors to potential knee injury in athletes, injury continues to occur and intervention and prevention models fail. Athletes who suffer a knee injury prior to participation in D1 career have an eightfold increased risk of suffering another knee injury during their D1 career and spend 50% more time on the disabled list (DL). One in four youths who suffer an ACL injury will suffer a second ACL injury in their athletic career. Athletic ACL injury rates are increasing in both D1 career athletes and youth athletes. The risk of re-injury and developing arthritis has become an economic burden and overall concern in the athletic arena. Despite surgical repair, approximately 79% of those individuals develop knee osteoarthritis (OA) and 20% suffer re-injury within 2 years. Just in terms of medically, I'm cleared," Dinwiddie said.Although the incidence of anterior cruciate ligament (ACL) injury is unknown, it is estimated that 350,000 ACL reconstructions (ACLRs) are performed annually in the USA. What I didn't advance to was 5-on-5, playing and things like that because we were waiting to sign the contract, obviously just out of abundance of caution. With that being said, I continued my workout schedule. I anticipated a ramp-up before the Finals if my former team, Brooklyn, was fortunate enough to make it that far. "I got cleared just prior to, I believe it was the conference finals. The Nets being eliminated in the second round altered those plans. He got injured in their third game of the season, but was hopeful to return during the playoffs. "I anticipate being full-go for the regular season and training camp and all that stuff," he said during his introductory press conference on Monday.ĭinwidde, 28, joined the Wizards via a sign-and-trade with the Brooklyn Nets. Dinwiddie, though, expects to be ready when the Wizards need him to be.
#ACL INJURY FREE#
Still, there are some question marks for the new Wizards point guard, who joined the team in free agency despite having not played in a game since his surgery in January. Thankfully, they no longer represent a doomsday scenario. The fact Spencer Dinwiddie only partially tore the ACL in his right knee should also help his cause. Modern medicine has come so far that ACL injuries aren't what they used to be in sports.