med anatomy chp 9

lateral pectoral nerve

C5, C6, C7 from the lateral chord

what does the lateral pectoral nerve innervate

pectoralis major

medial pectoral

C8-T1 medial chord

what does the medial pectoral nerve supply

pectoralis major and minor

Medial cutaneous nerve of forearm

C8-T1 medial chord

what does the medial cutaneous nerve of the forearm innervate

skin of the medial forearm

medial cutaneous

C8-T1 medial chord

what does the medial cutaneous nerve innervate

skin on medial side of 1/3 of arm

ulnar nerve

C7-T1 medial chord

what does the ulnar nerve innervate

flexor carpi ulnaris, adductor polliticis palmae brevis, flexor digitorum profundus

where does the ulnar nerve pass through

ulnar tunnel

median nerve

C5-T1 medial and lateral chords

what does the median nerve innervate

flexor digitorium, superior pronator quadratus, pronator teres, flexor radialis, palmaris longus, polliticus longus, flexor digitorium profundus

what does the median nerve go through

carpal tunnel

radial nerve

C5-T1 posterior chord

radial nerve innervates

tricepts, brachioradialis, anconeus, extensor carpi radialis, longus extensor brevis, supinator digitorium minimi, extensor ulnaris abductor, polliticus brevis, extensor polliticus longus indicis

thoracodorsal nerve

C6-C8 posterior chord

thoracodorsal nerve innervation

latissimus dorsi

tricepts brachii

extends elbow and shoulder (glenohumeral joint)

what are the heads of the triceps

long, lateral, medial

where does the long head of the triceps attach to

infraglenoid tubercle of scapula to olecranon process of ulna

where does the lateral head of the triceps attach to

above the radial groove to the olecranon process of ulna

where does the medial head of the triceps attach to

below the radial groove to olecranon process of ulna

what does supplies the triceps

brachial artery and long head posterior circumflex humeral artery

anconeus

extension of forearm

what is the triceps brachii innervated by

radial nerve

what is the anconeus innervated by

radial nerve

where does the anconeus attach to

lateral epicondyle of Humerus to lateral surface of the olecranon process of the ulna and the superior part of the post ulna

what supplies the anconeus muscle

deep brachial artery and interosseous artery

corocobrachialis

flexes and adducts arm

where does the coracobrachialis attach to

coracoid process of scapula to the anteriormedial surface of humerus distal crest of lesser tubercle

what supplies the coracobrachialis

the brachial artery

what innervates the coracobrachialis

musculocutaneous nerve

brachialis

flexes forearm and elbow

brachialis attachments

anterior surface of the humerus to the coronoid process and tuberosity of the ulna

what supplies the brachialis

brachial artery,

what innervates the brachialis

musculocutaneous nerve and radial nerve

musculocutaneous nerve

C5-C7

what does the musculocutaneous nerve supply

coracobrachialis, biceps brachii, brachialis

biceps

flexes elbow flexes and abducts shoulder

short head brachii attachments

coracoid process to the radial tuberosity

long head brachii attachments

supraglenoid tubercle to the radial tuberosity

what supplies the bicepts

brachial artery

what innervates the biceps

musculocutaneous nerve

flexor carpi radialis

flexes wrist and abducts hand

flexor carpi radialis attachments

Medial epicondyle of humerus

Base of 2nd metacarpal

what supplies the flexor carpi radialis

ulnar artery

what innervates the flexor carpi radialis

median nerve

palmaris longus

flexes wrist

palmaris longus attachments

medial epicondyle of humerus and flexor retinaculum of hand

flexor retinaculum

transverse carpal ligament

what innervates the palmaris longus

median nerve

flexor carpi ulnaris

Flexes and adducts wrist

what are the attachments of flexor carpi ulnaris

medial epicondyle to the pisiform

what supplies the flexor carpi ulnaris

ulnar artery

what innervates the flexor carpi ulnaris

ulnar nerve

brachioradialis

flexes forearm at elbow

brachioradialis attachments

lateral supracondylar ridge of the humerus to the distal radius

what supplies the brachioradialis

radial reccurent artery

what innervates the brachioradialis

radial nerve

extensor carpi radialis longus

Extends wrist and abducts hand

extensor carpi radialis longus attachment

lateral supracondylar ridge to the 2nd metacarpal

what supplies the extensor carpi radialis longus

radial artery

what innervates the extensor carpi radialis longus

radial nerve

extensor carpi radialis brevis

Extends wrist and abducts hand

extensor carpi radialis brevis attachments

humerus at anterior of lateral epicondyle to posterior base of the 3rd metacarpal

what supplies the extensor carpi radialis brevis

radial artery

what innervates the extensor carpi radialis brevis

radial nerve

supinator

supinates forearm

supinator attachments

Lateral epicondyle of the humerus and proximal ulna to the proximal radius

what supplies the supinator

radial artery

what innervates the supinator

radial nerve

extensor digitorum

Extends fingers and the wrist

extensor digitorum attachments

lateral epicondyle of humerus

extensor expansion of digits 2-5

extensor digitorum supplied by

posterior interosseous artery

posterior interosseous artery

deep branch of radial nerve

what does the posterior interosseous artery supply

extensor digiti minimi extensor polliticis longus extensor polliticis brevis, extensor digitorum, extensor indicis, abductor polliticis longus

extensor digitorum

posterior interosseous nerve

posterior interosseous nerve

innervation of extensor carpi ulnaris

posterior interosseous nerve supplies?

Extensor carpi radialis brevis

Extensor digitorum

Extensor digiti minimi

Extensor carpi ulnaris

Supinator muscle

Abductor pollicis longus

Extensor pollicis brevis

Extensor pollicis longus

Extensor indicis

extensor digiti minimi

extends the wrist and little finger

extensor digiti minimi attachments

Lateral epicondyle of humerus

Extensor expansion of digit 5

what supplies the extensor digiti minimi

posterior interosseous artery

what innervates the extensor digiti minimi

posterior interosseous nerve

Flexor digiti minimi brevis

flexes little finger

Flexor digiti minimi brevis attachment

hook of hamate, flexor retinaculum, proximal phalanx of digit 5

Flexor digiti minimi brevis supplied by

ulnar artery

Flexor digiti minimi brevis innervated by

deep branch of ulna nerve

dorsal interossei

abducts fingers

dorsal interossei attachment

metacarpals, proximal phalanges

what supplies the dorsal interossei muscle

dorsal and palmar metacarpal artery

dorsal metacarpal artery

branch of radial artery

palmar metacarpal artery

deep palmar arch

palmar interossei

adduction flexion and extension of fingers

palmar interossei attachments

medial sides of metacarpals to the bases of the proximal phalanges

what supplies the palmar interossei

palmar metacarpal artery

what innervates the palmar interossei

deep branch of ulnar nerve

adductor polliticis

adducts the thumb

adductor polliticis attachment

3rd metacarpals and medial side of the proximal phalanx

what supplies the adductor polliticis

deep palmar arch