Arm and forearm quiz

coracobrachialis

flexes arm at glenohumeral joint

ADducts arm at glenohumeral joint

brachialis

flexes forearm at elbow joint

biceps brachii

long head and short head

flexes forearm at elbow joint

supinates forearm

anterior arm motor innervation

musculocutaneous nerve

anterior arm artery

brachial artery

triceps brachii

long head, lateral head, medial head

extension of forearm at elbow joint

posterior arm motor innervation

radial nerve

posterior arm artery

deep brachial artery

pronator teres

superficial anterior forearm

pronates forearm

flexor carpi radialis

flexes wrist

lateral deviation (ABduction)

palmaris longus

flexes hand at wrist

tensor of aponeurosis

flexor carpi ulnaris

flexor of hand at wrist

medial devation (ADduction)

flexor digitorum superficialis

halfway flexion of digits 2-5

flexor of hand at wrist

flexor digitorum profundus

full flexion of digits 2-5

flexor of hand at wrist

flexor pollicis longus

flexion of thumb

pronator quadratus

deep anterior forearm muscle

pronation of forearm

anterior forearm motor innvervation

median and ulnar nerve

anterior forearm artery

ulnar artery —> common interosseous artery —> anterior interosseous artery

radial artery

brachioradialis

mostly flexion of forearm at the elbow

supinator and pronator

extensor carpi radialis longus

extends hand at wrist

ABduction (lateral deviation)

extensor carpi radialis brevis

extends hand at wrist

ABduction (lateral deviation) with longus

extensor digitorum

extension of hand at wrist

extension of digits 2-4 at MCP joint

extensor digiti minimi

extension of hand at wrist

extension of 5th digit at MCP joint

extensor carpi ulnaris

extension of hand at wrist

ADduction (medial deviation)

posterior forearm motor innervation

radial nerve

posterior forearm artery

ulnar artery —> common interosseous artery —> posterior interosseous artery

anconeus

deep posterior forearm

extension of forearm at elbow

supinator

deep posterior forearm

supination of forearm

abductor pollicis longus

ABduction of thumb

extension of thumb

extensor pollicis brevis

extension of thumb at MCP

extensor pollicis longus

extension of thumb at MCP and IP joint

extensor indicis

extension of index finger

extension of hand at wrist