An<unk>  to the<unk><unk><unk>  can be a debilitating musculoskeletal<unk>  seen most often in athletes.  Non-contact tears and ruptures are the most common causes of ACL<unk> .
Anterior cruciate ligament injury
Tear of meniscus
Iliotibial band syndrome
Knee dislocation
Medial tibial stress syndrome
Prepatellar bursitis
Olecranon bursitis
Chondromalacia patellae