Arm And Forearm

Question 0

Name the 5 muscles of the superior anterior compartment

Answer 0

flexor carpi ulnaris, flexor carpi radialis, flexor digitorum superficilais, palmaris longus and pronator teres

Question 1

Where are the extensors found in the forearm?

Answer 1

In the posterior compartment

Question 2

Name the 3 muscles in the deep anterior compartment

Answer 2

flexor digitorum profundud, flexor pollicis longus, pronator quadratus

Question 3

Where do the flexor carpis attach distally and proximally?

Answer 3

proximally to medial epicondyle of humerus, distally to the metacarpal bones

Question 4

Where does the flexor digitorum superifcialis attach distally?

Answer 4

by 2 slips to the middle phalanx of index to little fingers

Question 5

Where does the flexor digitorum profundus attach distally?

Answer 5

to distal phalanx of index to little fingers (through whole in f d superficialis

Question 6

Name the anterior forearm muscles innervated by the median nerve

Answer 6

pronator teres, flexor carpi radialis, palmaris longus, flexor digitorum superficialis, flexor pollicis longus and lateral side of f d profundus

Question 7

Name the nerve that innervates the medial half of f d profundus and the flexor carpi ulnaris

Answer 7

ulnar nerve

Question 8

Action of the pronator teres

Answer 8

pronation and weakly flexes elbow

Question 9

Name the 5 muscles of the superficial posterior compartment

Answer 9

extensor carpi radialis, extensor carpi ulnaris, extensor digitorum, extensor digiti minimi and brachioradialis

Question 10

What are the movements the muscles of the forearm can produce?

Answer 10

flexion and extension of wrist, fingers and elbow, adduction and abduction of wrist, supination, pronation

Question 11

What movements does the brachioradialis produce and where does it attach?

Answer 11

flexion (unusually)

lateral supracondylar ridge of humerus to radius

Question 12

Where do the muscles of the posterior forearm originate from?

Answer 12

the lateral epicondyle and supracondylar ridge of humerus

Question 13

Name the 5 deep posterior forearm muscles

Answer 13

extensor indices, extensor pollicis longus, extensor pollicis brevis, abductor pollicis longus, supinator

Question 14

What innervates the posterior forearm muscles?

Answer 14

the radial nerve via the deep interosseous nerve

Question 15

give the posterior thumb muscles in order (lateral to medial)

Answer 15

abductor pollicis longus, extensor pollicis brevis, extensor pollicis longus and extensor indicis

Question 16

What are the birders of the carpal tunnel?

Answer 16

flexor retinaculum (attached to hook of hamate and pisiform -> scaphoid tubercle and trapezium) and carpal bones

Question 17

What passes superficial to the carpal tunnel?

Answer 17

tendon of palmaris longus, ulnar nerve, ulnar artery, palmar cutaneous brances of median and ulnar nerves and superficial branch of radial artery

Question 18

How does carpal tunnel syndrome occur?

Answer 18

swelling causes narrowing of space under flexor retinaculum -> compression of median nerve

Question 19

What passes through the carpal tunnel?

Answer 19

median nerve, tendon of flexor pollicis longus (with own synvoial sheath), 4 tendons of f d profundus and 4 tendons of f d superficialis and tendon of flexor carpi ulnaris in own compartment

Question 20

What does the anatomical snuff box contain?

Answer 20

Radial artery

Question 21

What root values give the ulnar nerve

Answer 21

C7, 8 and T1

Question 22

Where does the ulnar nerve innervate?

Answer 22

anteriomedial aspect of the forearm and hand, flexor carpi ulnaris, medial half of flexor digitorum profundus, hypothenar, interossei muscles and medial lumbrical muscles

Question 23

What are the root values for the median nerve?

Answer 23

C5, 6, 7, 8 and T1

Question 24

Where does the median nerve innervate?

Answer 24

anterior compartment of the forearm and hand, skin of lateral aspect of the hand (lat 3.5 digits). Palamaris longus, flexor carpi radialis, f d superficialis, thenar and lateral lumbrical muscles, flexor pollicis longus and pronator quadratus. hlaf of f d profundus

Question 25

Name the veins found in the forearm

Answer 25

basilic, cephalis, median cubital vein, radial and ulnar

Question 26

Name the arteries of the foerarm

Answer 26

radial and ulnar, ulnar -> common interosseous -> anterior and posterior interosseous, carpal arch

Question 27

How do you test C5 spinal nerve?

Answer 27

biceps reflex

Question 28

How do you test C6 spinal nerve?

Answer 28

brachioradialis reflex

Question 29

How do you testC7 spinal nerve?

Answer 29

triceps reflex

Question 30

How do you test C8 spinal nerve?

Answer 30

finger flexor reflex

Question 31

What is the T1 myotome?

Answer 31

finger abductors and adductors

Question 32

What does the dorsal scapular nerve innervate?

Answer 32

rhomboid major and minor, levator scapulae

Question 33

What does the long thoracic nerve innervate?

Answer 33

serratus anterior

Question 34

What does the suprascapular nerve innervate?

Answer 34

supraspinatus and infraspinatus

Question 35

What do the subscapular nerves innervate?

Answer 35

subscapularis and teres major

Question 36

What does thhe thoracodorsal nerve innervate?

Answer 36

Latissimus dorsi

Question 37

What do the pectoral nerves innervate?

Answer 37

pectoralis major and minor