Arm & Forearm

Question 1

function of extensor digitorum?

Answer 1

extend fingers & wrist

Question 2

function of palmaris longus?

Answer 2

flex wrist

Question 2

function of extensor pollicis longus

Answer 2

extends interphalangeal, metacarpophalangeal & carpometacarpal jts

Question 2

this nerve continues UNDER carpal tunnel to supply lateral hand

Answer 2

median nerve

Question 2

deep branch of radial nerve is called…

Answer 2

posterior interosseous

Question 3

boundaries of cubital fossa?

Answer 3

Lateral = brachioradialis Medial = pronator teres Superior = line between epicondyles Floor = brachialis & supinator

Question 4

Identify.

Answer 4

ulnar nerve

Question 5

Biceps Brachii origin insertion action supply

Answer 5

origin (long head)= supraglenoid tubercle of scapula origin (short head) = coracoid process of scapula insertion = radial tuberosity of radius action = flex, supinate forearm supply = musculocutaneous n, brachial a/v

Question 6

innervation of palmaris longus, flexor carpi radialis, pronator teres?

Answer 6

median nerve

Question 7

function of abductor pollicis longus

Answer 7

abducts thumb

Question 8

Coracobrachialis origin insertion action supply

Answer 8

origin = coracoid process of scapula insertion = medial humerus action = flexes forearm supply = musculocutaneous nerve, brachial a/v

Question 8

function of brachioradialis

Answer 8

flexor of forearm

Question 9

Identify 1-3.

Answer 9

1. Flexor digitorum profundus
2. Flexor pollicis longus
3. Pronator quadratus

Question 10

innervation to flexor digitorum profundus?

Answer 10

1/2 median, 1/2 ulnar

Question 11

tendon that overlies the carpal tunnel

Answer 11

flexor retinaculum

Question 11

Identify.

Answer 11

brachioradialis

Question 12

__ crosses over ___ for pronation ___ crosses over ___ for supination

Answer 12

radius, ulna ulna, radius

Question 12

Identify 1-4.

Answer 12

1. anular ligament
2. ulna
3. interosseus membrane
4. radius

Question 13

continues OVER carpal tunnel to supply medial/deep hand

Answer 13

ulnar nerve

Question 14

after the axillary artery crosses this muscle, it is called the brachial artery

Answer 14

teres major

Question 15

this muscle creates carpal tunnel with its 4 tendons

Answer 15

flexor digitorum superficialis

Question 17

which muscles contract to pronate the forearm? which muscles contract to supinate the forearm?

Answer 17

pronator teres, pronator quadratus supinator, biceps brachii

Question 17

function of extensor pollicis brevis

Answer 17

extends metacarpophalangeal & carpometacarpal jts

Question 17

this nerve runs between superficial & deep anterior forearm muscles

Answer 17

median nerve

Question 18

function of flexor carpi ulnaris?

Answer 18

flex, aDduct wrist

Question 20

"TAN" of cubital fossa?

Answer 20

Tendon biceps brachii brachial Artery median Nerve

Question 21

vein that lies superficial in cubital fossa?

Answer 21

median cubital vein

Question 22

musculocutaneous nerve emerges as... between the biceps brachii & brachialis to supply lateral skin of forearm

Answer 22

lateral antebrachial cutaneous nerve

Question 24

what muscle is deep to biceps brachii?

Answer 24

brachialis

Question 24

Triceps brachii origin insertion action supply

Answer 24

origin (long head) = infraglenoid tubercle of scapula origin (lateral head) = posterior shaft humerus origin (medial head) = posterior shaft humerus insertion = olecranon process of ulna action = extend forearm supply = radial nerve & deep brachial a/v

Question 25

nerve that innervates posterior forearm muscles?

Answer 25

radial nerve

Question 26

innervation of supinator, abductor pollicis longus, extensor pollicis brevis, extensor pollicis longus, extensor indicis?

Answer 26

posterior interosseous nerve (branch of radial)

Question 27

brachial artery splits into __ & ___ at cubital fossa

Answer 27

radial & ulnar arteries

Question 29

innervation of flexor carpi ulnaris?

Answer 29

ulnar nerve

Question 30

what muscle is medial to biceps brachii?

Answer 30

coracobrachialis

Question 31

Identify 1-7.

Answer 31

1. extensor carpi radialis longus 2. extensor carpi radialis brevis 3. anconeus 4. extensor carip ulnaris 5. extensor digiti minimi 6. extensor digitorum 7. extensor retinaculum

Question 33

which 2 things are found in triangular interval?

Answer 33

radial nerve & deep brachial artery

Question 33

Identify.

Answer 33

radial nerve

Question 34

depressed area anterior to elbow

Answer 34

cubital fossa

Question 35

which artery is used for determining blood pressure?

Answer 35

brachial artery

Question 36

Identify 1-5.

Answer 36

1. supinator 2. abductor pollicis longus 3. extensor pollicis brevis 4. extensor pollicis longus 5. extensor indices

Question 37

Identify 1-4.

Answer 37

1. pronator teres 2. flexor carpi radialis 3. palmaris longus 4. flexor carpi ulnaris

Question 38

Identify 1-3.

Answer 38

1. medial cubital vein 2. basilic vein 3. cephalic vein

Question 39

Identify 1-2.

Answer 39

1. flexor retinaculum 2. flexor digitorum superficialis

Question 40

nerve that is hit when you hurt your "funny bone"

Answer 40

ulnar nerve

Question 42

which 2 nerves innervate all of the muscles of the anterior forearm?

Answer 42

median & ulnar

Question 43

wrist bones are called... finger bones are called...

Answer 43

carpals metacarpals

Question 45

function of flexor carpi radialis?

Answer 45

flex, aBduct wrist

Question 46

Brachialis origin insertion action supply

Answer 46

origin = lower 1/2 humerus insertion = ulnar tuberosity of ulna action = flex forearm supply = radial, musculocutaneous n's & brachial a/v

Question 48

function of extensor carpi radialis longus/brevis?

Answer 48

extend, aBduct wrist

Question 49

function of extensor carpi ulnaris?

Answer 49

extend, aDduct wrist

Question 51

3 deep muscles of anterior forearm?

Answer 51

flexor digitorum profundus flexor policis longus pronator quadratus

Question 53

function of flexor pollicis longus?

Answer 53

flex thumb

Question 54

function of anconeus?

Answer 54

aBduct ulna in pronation extend elbow

Question 55

function of pronator teres?

Answer 55

pronate forearm

Question 56

anchor for attachment of head of radius

Answer 56

anular ligament

Question 57

muscles of the anterior arm?

Answer 57

biceps brachii coracobrachialis brachialis

Question 58

only intermediate muscle of anterior forearm?

Answer 58

flexor digitorum superficialis

Question 59

4 superficial muscles of anterior forearm?

Answer 59

"F-P-F-P" flexor carpi ulnaris palmaris longus flexor carpi radialis pronator teres

Question 60

innervation to flexor pollicis longus & pronator quadratus

Answer 60

median nerve

Question 61

function of extensor digiti minimi?

Answer 61

extend little finger