Joints of the Upper Limb

	Joint	Muscles that act on the joint	Action
	sternoclavicular	sternomastoid subclavius trapezius	moves in many directions like a ball and socket joint
	acromioclavicular	moves with the movements of the upper limb	rotates and slides anterior and posterior
	scapulothoracic	levator scapulae rhomboid minor rhomboid major serratus anterior trapezius pectoralis minor	protraction retraction medial & lateral rotation
	glenohumeral (shoulder)	pectoralis major latissimus dorsi teres major supraspinatus infraspinatus teres minor subscapularis coracobrachialis long and short heads of biceps brachii long head of triceps	flexion extension abduction adduction medial rotation lateral rotation circumduction
	elbow (radiohumeroulnar)	biceps brachii coracobrachialis brachialis triceps brachii brachioradialis anconeus superficial flexors of forearm superficial extensors of forearm	flexion extension
	superior and inferior radiounlar joints	pronator teres pronator quadratus supinator brachioradialis biceps	pronation supination
	radiocarpal (wrist)	flexor carpi radialis palmaris longus flexor carpi ulnaris flexor digitorum superficialis flexor digitoroum profundus flexor pollicis longus extensor carpi radialis longus extensor carpi radialis brevis extensor digitorum	flexion extension abduction adduction
	carpometacarpal	flexor digitorum superficialis flexor digitorum profundus lumbricals extensor indicis extensor digitorum palmar interossei dorsal interossei	flexion extension
	interphalangeal	flexor digitorum superficialis flexor digitorum profundus lumbricals extensor digitorum

Nerves of Posterior Forearm

Skeleton of the Back

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This is copyrighted© 1999 by Wesley Norman, PhD, DSc