ANTERIOR CRUCIATE LIGAMENT (ACL) INJURIES IN ATHLETES
Faisal Alrefaei*
ABSTRACT
The ACL provides 85% of the ligaments the anterior cruciate ligament is one of the four main restraining force to anterior tibial displacement at 30 degrees and 90 degrees of knee flexion velocity, noncontact, deceleration injuries and -Anterior cruciate ligament (ACL) injuries are most often a result of lower ACL secondary to twisting, contact injuries with a rotational component. Contact sports also may produce injury to the valgus stress, or hyperextension all directly related to contact or collision. Acute ACL injury is usually followed by pain, intra-articular effusion, and muscular inhibition.[5] Persistent disability after the acute phase is attributed to increased knee joint laxity and altered neuromuscular function, which may lead to dynamic joint instability. patients with anterior cruciate ligament tear complaining of pop and giving way and in ability to continue activity but in most of athletes they have strange quadriceps muscles and that may prevent or minimize the pain and the patients able to continue activity without any complain and may be only by accidently detect the tear.
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