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Body Atlas, Muscle Reference

Muscles

Complete muscle reference, origins, insertions, nerve supply, actions, clinical notes, and common injuries.

32 muscles

32 muscles in Shoulder Clear ×

Muscle Subscapularis Lower Portion Detail musculus subscapularis pars inferior Shoulder The lower subscapularis constitutes the bulk of the muscle. Its more horizontal fibres insert on the… Muscle Supraspinatus musculus supraspinatus Shoulder The supraspinatus is the most superior of the four rotator cuff muscles, lying in the supraspinous… Muscle Supraspinatus Detail musculus supraspinatus detail Shoulder The supraspinatus is the most commonly torn rotator cuff muscle. Its critical zone (the avascular area… Muscle Teres Major musculus teres major Shoulder The teres major is a thick, rounded muscle arising from the inferior scapular angle and inserting… Muscle Teres Major Detail musculus teres major detail Shoulder Teres major forms the posterior axillary fold with latissimus dorsi. It is sometimes called "lat's little… Muscle Teres Minor musculus teres minor Shoulder The teres minor is a small, elongated muscle on the lateral scapular border directly inferior to… Muscle Teres Minor Detail musculus teres minor Shoulder Teres minor is the inferior component of the posterior rotator cuff, below infraspinatus, inserting on the… Muscle Trapezius musculus trapezius Shoulder The trapezius is a large, kite-shaped muscle covering the posterior neck and most of the upper…