gross anatomy of upper limbs 2 Flashcards
pectoralis major action and nerve
action - medial rotation and adduction of shoulder joint. flexion of shoulder joint.
nerve - medial and lateral pectoral nerve
pectoralis minor action and nerve
action - protracts scapula along with serratus anterior
nerve - medial and lateral pectoral nerve
serratus anterior action and nerve
action - protracts the scapula
nerve - long thoracic nerve
biceps brachii action and nerve
action - powerful supinator of the forearm
nerve - musculocutaneous nerve
coracobrachialis action and nerve
action - weak flexor of shoulder joint
nerve - musculocutaneous nerve
brachilais action and nerve
action - flexor of elbow joint
nerve - musculocutaneous nerve & small lateral part of radial nerve
pronator teres action and nerve
action - pronator of forearm, weak flexor of the elbow joint
nerve - median nerve
flexor carpi radialis action and nerve
action - flexor of wrist
nerve - median nerve
flexor carpi ulnaris action and nerve
action - flexor and adductor of wrist
nerve - ulnar nerve
palmaris longus action and nerve
action - weak flexor of the wrist
nerve - median nerve
flexor digitorum superficialis action and nerve
action - flexion of the proximal interphlangeal joint
nerve - median nerve
flexor pollicis longus action and nerve
action - flexor of the thumb
nerve - median nerve (ant interosseous branch)
flexor digitorum profundus action and nerve
action - flexor of distal interphalangeal joint
nerve - medial part = ulnar nerve, lateral part = median nerve
pronator quadratus action and nerve
action - principal pronator
nerve - median nerve
role of intrinsic muscles of the hand
control precise movements of metacarpals and fingers