Muscles of upper extremities

Flexion of the Humerus (Glenohumeral joint)

Pectoralis Major, Deltoid, Coracobrachialis

Flexion of the antebrachium (humeroulnar/radial joint)

Biceps brachii, brachialis, brachioradialis

Flexion of the manus (radiocarpal joint)

Flexor carpi radialis, palmaris longus, flexor carpi ulnaris

Extension of humerus (Glenohumeral joint)

Latissimus dorsi, deltoid, teres major

Extension of antebrachium (humeroulnar/radial joint)

Triceps brachii

Extension of manus (radiocarpal joint)

Extensor carpi radialis longus/brevis, extensor digitorum, extensor carpi ulnaris

Extension of phalanges (metacarpophalangegal, interphalangeal joints)

Extensor digitorum

Abduction (protraction of scapula)

Pectoralis minor, serratus anterior

Abduction of humerus (glenohumeral joint)

Deltoid, supraspinatus

Abduction of manus (radiocarpal joint)

Flexor carpi radialis, extensor carpi radialis longus + brevis

Adduction (retraction of scapula)

Trapezius, rhomboid major/minor

Adduction of humerus (glenohumeral joint)

Pectoralis major, latissimus dorsi, coracobrachialis, teres minor

Adduction of manus (radiocarpal joint)

Flexor carpi ulnaris, extensor carpi ulnaris (on the ulnar side pinky in anatomical position)

Elevation of scapula

Trapezius, levator scapulae

Depression of scapula

Pectoralis minor, trapezius

Upward rotation of scapula

Trapezius, serratus anterior

Downward rotation of scapula

Rhomboid major/minor

External (lateral) rotation of humerus (glenohumeral joint)

Deltoid, teres minor, infraspinatus

Internal (medial) rotation of humerus (glenohumeral joint)

Pectoralis major, latissimus dorsi, deltoid, teres major, subscapularis

Pronation of radius and ulna (proximal and distal radioulnar joints)

Brachioradialis, pronator teres

Supination of radius and ulna (proximal and distal radioulnar joints)

Brachioradioalis, supinator, biceps brachii