Resisted shoulder forward flexion with the elbow extended and the forearm supinated reproduces pain in the anterior shoulder. This finding is MOST associated with:
1The acromioclavicular joint capsule and its surrounding ligamentous structures
2The posterior glenohumeral capsule tightening during horizontal adduction movement
3The long head of the biceps tendon in the bicipital groove✓ 정답
4The subscapularis tendon at its insertion on the lesser tuberosity of the humerus
해설
이 동작은 이두구를 지나는 상완이두근 장두에 부하를 준다. 전방 통증이 나오면 그 건을 시사하지만 특이도는 높지 않아 다른 검사와 조합한다.