Final answer:
The infraspinatus muscle is part of the rotator cuff muscles in the shoulder, assisting in lateral rotation of the arm.
Explanation:
The infraspinatus muscle is part of the rotator cuff muscles in the shoulder. Together with the other rotator cuff muscles (supraspinatus, teres minor, subscapularis), it plays a crucial role in stabilizing and controlling the movement of the arm.
These muscles connect the scapula to the humerus, forming a musculotendinous cuff that encircles the shoulder joint. The infraspinatus muscle, located below the spine of the scapula, assists in lateral rotation of the arm.
Learn more about Rotator cuff muscles and the role of the infraspinatus here:
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