Lab 7 - upper limb muscles Movement Only

Pectoralis minor movement

scapular stabilizer, pulls scapula forward

Serratus anterior movement

scapular stabilizer, pulls shoulder forward

Trapezius movement

elevates, depresses, rotates, retracts scapula

Levator scapulae movement

elevates scapula

Rhomboid major movement

retracts scapula

Rhomboid minor movement

retracts scapula

Pectoralis major movement

arm flexion (PM), adduction (PM), medial rotation

Latissimus dorsi movement

arm extension (PM), adduction (PM), medial rotation

Deltoid movement

arm flexion (PM), extension (PM), abduction (PM), medial/lateral rotation

Coracobrachialis movement

arm flexion, adduction

Supraspinatus movement

assists deltoid to abduct arm

Infraspinatus movement

laterally rotates arm (PM)

Teres minor movement

laterally rotates (PM), adducts arm

Subscapularis movement

medially rotates arm (PM)

Teres major movement

medially rotates, adducts arm

Biceps brachii movement

forearm flexion (PM), supination

Brachialis movement

flexes forearm (PM)

Brachioradialis movement

flexes forearm

Triceps brachii movement

extends forearm (PM)

Pronator teres movement

pronates forearm

Supinator movement

supinates forearm

Flexor carpi radialis movement

wrist flexion (PM), abduction

Palmaris longus movement

wrist flexion

Flexor carpi ulnaris movement

wrist flexion (PM), adduction

Extensor carpi radialis longus movement

wrist extension, abduction

Extensor carpi radialis brevis movement

wrist extension, abduction

Extensor carpi ulnaris movement

wrist extension, adduction

Flexor digitorum superficialis movement

flexes digits 2-5

Flexor digitorum profundus movement

flexes digits 2-5

Flexor pollicis longus movement

flexes thumb

Extensor digitorum movement

extends digits 2-5

Abductor pollicis longus movement

abducts thumb

Extensor pollicis brevis movement

extends thumb

Abductor pollicis brevis movement

abducts thumb

Opponens pollicis movement

brings thumb and digit 5 together

Adductor pollicis movement

adducts thumb

Palmar interossei movement

adduct digits 2-5 from center of hand

Dorsal interossei movement

abduct digits 2-5 from center of hand