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Body Atlas, Muscle Reference

Muscles

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

9 muscles

9 muscles in Shoulder Clear ×

Muscle Deltoid musculus deltoideus Shoulder The deltoid is the large, triangular muscle that gives the shoulder its rounded contour, wrapping from… Muscle Deltoid (Anterior Head) musculus deltoideus pars clavicularis Shoulder The anterior deltoid is the clavicular head of the deltoid muscle, providing the primary force for… Muscle Deltoid (Posterior Head) musculus deltoideus pars spinalis Shoulder The posterior deltoid is the spinal head of the deltoid, performing the opposite movements of the… Muscle Infraspinatus musculus infraspinatus Shoulder The infraspinatus occupies most of the infraspinous fossa below the scapular spine and is the primary… Muscle Subscapularis musculus subscapularis Shoulder The subscapularis is the largest and strongest of the four rotator cuff muscles, located on the… Muscle Supraspinatus musculus supraspinatus Shoulder The supraspinatus is the most superior of the four rotator cuff muscles, lying in the supraspinous… 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 (Full) musculus teres major Shoulder The teres major is sometimes called 'lat's little helper' because it shares the bicipital groove insertion… Muscle Teres Minor musculus teres minor Shoulder The teres minor is a small, elongated muscle on the lateral scapular border directly inferior to…