Arm and Hand muscles

Bicep brachii short head origin

coracoid process

Bicep brachii short head insertion

radial tuberosity

Bicep brachii short head action

elbow flexion and supination

Bicep brachii short head nerve

musculocutaneous

Bicep brachii lone head origin

supraglenoid tubercle of scapula

Bicep brachii long head insertion

radial tuberosity

Bicep brachii long head action

elbow flexion and supination

Bicep brachii long head innervation

musculocutaneous

coracobrachialis origin

coracoid process

coracobrachialis insertion

middle 1/3 of the medial aspect of humerus

coracobrachialis action

shoulder flexion and adduction

coracobrachialis innervation

musculocutaneous

brachialis origin

distal ½ of the anterior aspect of the humerus

brachialis insertion

coranoid process

brachialis action

elbow flexion

brachialis innervation

musculocutaneous and radial

brachioradialis origin

superior 2/3 of lateral supracondylar ridge

brachioradialis insertion

lateral aspect of the distal part of the radius

brachioradialis action

elbow flexion

brachioradialis innervation

radial

pronator teres origin

medial supracondylar ridge of humerus

pronator teres insertion

medial 1/3 of the anteriolateral radius

pronator teres action

pronation

pronator teres innervation

median

flexor carpi radialis origin

medial epicondyle

flexor carpi radialis insertion

base of 2+3 metacarpal bones

flexor carpi radialis action

wrist flexion and abduction

flexor carpi radialis innervation

median

flexor carpi ulnaris origin

medial epicondyle, proximal 2/3 of ulna, and olecranon of ulna

flexor carpi ulnaris insertion

hook of hamate, pisiform, base of 5th metacarpal

flexor carpi ulnaris action

wrist flexion and adduction

flexor carpi ulnaris innervation

ulnar

palmaris longus origin

medial epicondyle

palmaris longus insertion

palmar aponeurosis

palmaris longus action

wrist flexion

palmaris longus innervation

median

flexor digitorum superficialis origin

medial epicondyle, sublime tubercle, proximal ½ of anterior aspect of ulna, and border or radius

flexor digitorum superficialis insertion

bodies of digits 2-5

flexor digitorum superficialis action

digit 2-5 flexion

flexor digitorum superficialis innervation

median

flexor digitorum profundus origin

medial coronoid process and superior 2/3 of anteriomedial ulna

flexor digitorum profundus insertion

base of distal phalanges of digits 2-5

flexor digitorum profundus action

digit 2-5 flexion

flexor digitorum profundus innervation

medial: ulnar

lateral: median

flexor pollicus longus origin

anterior radius and interosseous membrane

flexor pollicus longus insertion

distal phalanx of thumb

flexor pollicus longus action

thumb flexion

flexor pollicus longus innervation

anterior antebrachial interosseous

pronator quadratus origin

anterior distal 1/3 of ulna

pronator quadratus insertion

anterior distal 1/3 of radius

pronator quadratus action

pronation

pronator quadratus innervation

anterior antebrachial interosseous

extensor digitorum origin

lateral epicondyle

extensor digitorum insertion

dorsal phalanx of digits 3-4 and proximal phalanx of digits 2-5

extensor digitorum action

digit 2-5 extension

extensor digitorum innervation

posterior antebrachial interosseous

extensor digiti minimi origin

lateral epicondyle

extensor digiti minimi insertion

extensor expansion of little finger

extensor digiti minimi action

little finger extension

extensor digiti minimi innervation

posterior antebrachial interosseous

extensor carpi ulnaris origin

lateral epicondyle

extensor carpi ulnaris insertion

medial base of 5th metacarpal bone

extensor carpi ulnaris action

wrist extension and adduction

extensor carpi ulnaris innervation

posterior antebrachial interosseous

abductor pollicus longus origin

posterior proximal ½ of ulna and middle 1/3 of radius

abductor pollicus longus insertion

lateral base of 1st metacarpal bone

abductor pollicus longus action

thumb extension and abduction

abductor pollicus longus innervation

posterior antebrachial interosseous

extensor pollicus brevis origin

posterior distal ½ of radius

extensor pollicus brevis insertion

dorsal base of proximal phalanx of thumb

extensor pollicus brevis action

thumb extension

extensor pollicus brevis innervation

posterior antebrachial interosseous

extensor pollicus longus origin

posterior middle 1/3 of ulna

extensor pollicus longus insertion

dorsal base of distal phalanx of thumb

extensor pollicus longus action

thumb extension

extensor pollicus brevis innervation

posterior antebrachial interosseous

what makes up the snuff box

abductor pollicus longus

extensor pollicus longus

extensor pollicus brevis

radial nerve

extensor carpi radialis longus origin

lateral supracondylar ridge

extensor carpi radialis longus insertion

base of the 2nd metacarpal bone

extensor carpi radialis longus action

wrist extension and abduction

extensor carpi radialis longus nerve

radial

extensor carpi radialis brevis origin

lateral epicondyle

extensor carpi radialis brevis insertion

base of 3rd metacarpal bone

extensor carpi radialis brevis action

wrist extension and abduction

extensor carpi radialis brevis innervation

deep branch of radial and posterior antebrachial interosseous

extensor carpi ulnaris origin

lateral epicondyle and posterior border of ulna

extensor carpi ulnaris insertion

base of 5th metacarpal bone

extensor carpi ulnaris action

wrist extension and adduction

extensor carpi ulnaris innervation

posterior antebrachial interosseous

extensor indicis origin

posterior distal 1/3 of ulna and interosseous membrane

extensor indicis insertion

extensor expansion of little finger

extensor indicis action

little finger extension

extensor indicis innervation

posterior antebrachial interosseous

opponens pollicus origin

tubercle of trapezium

opponens pollicus insertion

anteriolateral aspect of body of the 1st metacarpal

opponens pollicus action

thumb opposition

opponens pollicus innervation

recurrent branch of median

flexor pollicus brevis origin

tubercle of trapezium, capitate, and trapezoid

flexor pollicus brevis insertion

lateral base of proximal thumb

flexor pollicus brevis action

thumb flexion