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Mainly it is the shoulder muscle. The rotator cuff is a group of four muscles that surround the shoulder joint and contribute to the shoulder's stability. The muscles of the rotator cuff are supraspinatus, subscapularis, infraspinatus, and teres minor. Secondary Muscles: Abs, Traps, Triceps.
what muscle(s) does this target?
Mainly it is the shoulder muscle. The rotator cuff is a group of four muscles that surround the shoulder joint and contribute to the shoulder's stability. The muscles of the rotator cuff are supraspinatus, subscapularis, infraspinatus, and teres minor. Secondary Muscles: Abs, Traps, Triceps.