A young boy presents with swollen knee, on getting hit over lateral aspect of knee and there was a twist while playing. Joint line tenderness was present. Anterior Drawer test done was negative. X-ray shows no fracture. Which structure is most likely to be damaged in the person:-

Joint line tenderness goes towards medial meniscus. Anterior drawer test negative rule out ACL tear which can also be damaged in this type of forced and can be confused with. Symptoms include joint line pain, catching, popping and locking, weakness and giving way (instability) sometimes. Deep squatting and duck walking are usually painful. 1. McMurray's test is positive 2. Apley's grinding test is positive 3. Difficult to perform full squatting and toe walk in squatting position (Payr's sign) 4. Steinmann tenderness test. 5. Thessaly test 6. Ege's test (weight bearing McMurray test)