Bicipital Groove Rotation
Reader 2 with 2 years of experience in musculoskeletal radiology at three levels of the bicipital groove superior middle and inferior with the shoulder in neutral position in external rotation and in internal rotation.
Bicipital groove rotation. As you check for tendon tenderness rolling the tendon under the fingertips may be helpful. The teres major inserts on the medial lip of the groove. This movement is one of the most specific findings of biceps tendon injury. Track the muscle and its tendon proximally into the bicipital groove along the anterior aspect of the humerus.
The insertion of the latissimus dorsi is found along the floor of the bicipital groove. It is the lateral wall of the axilla. Bicipital groove of right humerus. Reader 1 and t j d.
It runs obliquely downward and ends near the junction of the upper with the middle third of the bone. The lbt was evaluated by two independent musculoskeletal radiologists f m b. External rotation of the arm and humeral head places the tender bicipital groove in a posterolateral position. At a rotation of 45 externally the humeral head was rotated until the base of the head was perpendicular to the axis of the proximal humerus.
The tendon is exposed on the anterior shoulder as it passes through the humeral bicipital groove and inserts onto the superior aspect of the labrum of the glenohu. 15 in addition the greater tuberosity was brought into relative clear prominence.