Which muscles cover serratus posterior superior?

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Multiple Choice

Which muscles cover serratus posterior superior?

Explanation:
The upper back muscles form several overlapping layers, and the serratus posterior superior sits beneath them on the posterior thoracic wall. The trapezius is the most superficial muscle in this region, covering a broad area of the upper back. Beneath trapezius lie the rhomboid muscles, which themselves sit over the serratus posterior superior. So, the serratus posterior superior is covered by both the trapezius and the rhomboids. The other muscle groups listed are not positioned to cover it: latissimus dorsi and teres major are more inferior and lateral; infraspinatus and teres minor are behind the scapula; and serratus anterior with pectoralis minor are on the anterior chest wall.

The upper back muscles form several overlapping layers, and the serratus posterior superior sits beneath them on the posterior thoracic wall. The trapezius is the most superficial muscle in this region, covering a broad area of the upper back. Beneath trapezius lie the rhomboid muscles, which themselves sit over the serratus posterior superior. So, the serratus posterior superior is covered by both the trapezius and the rhomboids. The other muscle groups listed are not positioned to cover it: latissimus dorsi and teres major are more inferior and lateral; infraspinatus and teres minor are behind the scapula; and serratus anterior with pectoralis minor are on the anterior chest wall.

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