Movements of arm at shoulder

FLEXION:

deltoid (anterior fibres), clavicular fibres of pectoralis major

EXTENSION:

deltoid (posterior fibres), teres major, latissimus dorsi

ABDUCTION:

deltoid (2/3 movement, 1/3 rotation of the scapula), supraspinatus muscle

ADDUCTION: pectoralis major, teres major, latissimus dorsi

LATERAL ROTATION:

infraspinatus, teres minor, deltoid (posterior)

MEDIAL ROTATION:

teres major, latissimus dorsi, pectoralis major, subscapularis, deltoid (anterior)

ELEVATION:

upper trapezius, rhomboids and levator scapulae

DEPRESSION:

latissimus dorsi, pectoralis minor, lower trapezius, lower pectoralis major

PROTRACTION:

pectoralis minor, serratus anterior

RETRACTION:

middle trapezius, rhomboids

ROTATION:

upper and lower trapezius, lower serratus anterior

Category: Anatomy Notes