A patient stands on one flexed knee and rotates the body internally and externally while the examiner supports the hands. Joint line discomfort or locking during this maneuver MOST suggests:
1Iliotibial band irritation at the lateral femoral epicondyle during repeated rotation
2A meniscal lesion✓ 정답
3An anterior cruciate ligament rupture producing rotatory instability during pivoting
4Patellofemoral pain arising from increased compressive load in the flexed position
해설
체중을 실은 상태의 회전은 반월판을 압박·전단시킨다. 관절선 불편감이나 걸림이 나타나면 반월판 병변을 시사한다.