mvs 231 - muscles of the elbow, wrist and hand

abductor pollicis longus origin

posterior radius and ulna, interosseous membrane

abductor pollicis longus insertion

base of 1st metacarpal

abductor pollicis longus function

thumb abduction and extension

anconeus origin

lateral epicondyle of humerus

anconeus insertion

olecranon process and posterior ulna

anconeus function

elbow extension

biceps brachii origin

coracoid process (short head), supraglenoid tubercle (long head)

biceps brachii insertion

radial tuberosity

biceps brachii function

elbow flexion, supination, shoulder flexion

brachialis origin

distal anterior humerus

brachialis insertion

ulnar tuberoisty, coronoid process

brachialis function

elbow flexion

brachioradialis origin

proximal supracondylar ridge of humerus

brachioradialis insertion

styloid process of radius

brachioradialis function

elbow flexion

extensor carpi radialis brevis origin

lateral epicondyle

extensor carpi radialis brevis insertion

base of 3rd metacarpal

extensor carpi radialis brevis function

wrist extension, radial deviation

extensor carpi radialis longus origin

lateral supracondylar ridge, lateral epicondyle

extensor carpi radialis longus insertion

base of 2nd metacarpal

extensor carpi radialis longus function

wrist extension, radial deviation

extensor carpi ulnaris origin

lateral epicondyle

extensor carpi ulnaris insertion

base of 5th metacarpal

extensor carpi ulnaris function

wrist extension, ulnar deviation

extensor digiti minimi origin

lateral epicondyle

extensor digiti minimi insertion

extensor expansion of 5th finger

extensor digiti minimi function

5th finger extension

extensor digitorum origin

lateral epicondyle

extensor digitorum insertion

extensor expansion of fingers 2-5

extensor digitorum function

finger extension, assists in wrist extension

extensor indicis origin

posterior ulna, interosseous membrane

extensor indicis insertion

extensor expansion of index finger

extensor indicis function

index finger extension, assists wrist extension

extensor pollicis brevis origin

posterior radius, interosseous membrane

extensor pollicis brevis insertion

proximal phalanx of thumb

extensor pollicis brevis function

thumb metacarpophalangeal joint extension

extensor pollicis longus origin

posterior ulna, interosseous membrane

extensor pollicis longus insertion

distal phalanx of thumb

extensor pollicis longus function

thumb interphalangeal joint extension, assists metacarpophalangeal extension

flexor carpi radialis origin

medial epicondyle

flexor carpi radialis insertion

base of 2nd and 3rd metacarpal

flexor carpi radialis function

wrist flexion, radial deviation

flexor carpi ulnaris origin

medial epicondyle

flexor carpi ulnaris insertion

pisiform, hook of hamate, base of 5th metacarpal

flexor carpi ulnaris function

wrist flexion, ulnar deviation

flexor digitorum profundus origin

middle anterior ulna, interosseous membrane

flexor digitorum profundus insertion

distal phalanx of 4 fingers

flexor digitorum profundus function

finger DIP joint flexion, assist PIP flexion, assist wrist flexion

flexor digitorum superficialis origin

medial epicondyle

flexor digitorum superficialis insertion

base of middle phalanx of 4 fingers

flexor digitorum superficialis function

finger PIP joint flexion, assist wrist flexion

flexor pollicis longus origin

middle anterior radius, interosseous membrane

flexor pollicis longus insertion

distal phalanx of thumb

flexor pollicis longus function

thumb IP joint flexion

palmaris longus origin

medial epicondyle

palmaris longus insertion

palmar aponeurosis

palmaris longus function

wrist flexion

pronator quadratus origin

distal anterior ulna

pronator quadratus insertion

distal anterior radius

pronator quadratus function

forearm pronation

pronator teres origin

medial epicondyle, coronoid process of ulna

pronator teres insertion

middle lateral radius

pronator teres function

forearm pronation, assists elbow flexion

supinator origin

lateral epicondyle

supinator insertion

anterolateral proximal radius

supinator function

supination

triceps brachii origin

infraglenoid tubercle of scapula (long head), proximal posterolateral humerus (lateral head), distal posteromedial humerus (medial head)

triceps brachii insertion

olecranon process of ulna

triceps brachii function

elbow extension, shoulder extension (long head)