<prompt> All are true about anterior cruciate ligament except?Commonly occurs as a result of twisting forceMay be associated with Segond fractureRarely associated with meniscal injuryLachman test is highly sensitive test for tear  <response>: Ans.c Rarely associated with meniscal injurySymptoms:Signs and symptoms of an ACL injury usually include:A loud pop or a popping sensation in the kneeSevere pain and inability to continue activityRapid swellingLoss of range of motionA feeling of instability or giving way with weight bearing ComplicationsHigher risk of developing osteoahritis in the knee. Ahritis may occur even if you have surgery to reconstruct the ligament.Segond fracture due to avulsion at the anterolateral capsular attachment. Segond fractures have a very high association with ACL tears and, meniscal injuries Diagnosis:Injury to tear of anterior cruciate ligament can be detected using lachman and anterior drawer test.Lachmann test is a similar test to anterior drawer test in which anterior glide of the tibia is judged with the knee in 10-15 degrees of flexion. 