The supraspinatus inserts on which part of the humerus?

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Multiple Choice

The supraspinatus inserts on which part of the humerus?

Explanation:
The supraspinatus inserts on the greater tubercle of the humerus, specifically the superior facet. This placement lets the muscle begin the first phase of arm abduction and help stabilize the humeral head in the glenoid. The lesser tubercle is for subscapularis, the intertubercular groove houses the long head of the biceps tendon, and the head of the humerus is a bone feature rather than an insertion site for this muscle.

The supraspinatus inserts on the greater tubercle of the humerus, specifically the superior facet. This placement lets the muscle begin the first phase of arm abduction and help stabilize the humeral head in the glenoid. The lesser tubercle is for subscapularis, the intertubercular groove houses the long head of the biceps tendon, and the head of the humerus is a bone feature rather than an insertion site for this muscle.

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