Hae Upper Extremity 3

Front 1

which muscles are in the superficial layer of the forearm?

Back 1

the pronator teres, flexor carpi radialis, palmaris longus, and flexor carpi ulnaris

Front 2

which muscles arise from the common flexor forearm tendon?

Back 2

the pronator teres, flexor carpi radialis, palmaris longus, and flexor carpi ulnaris, flexor digitorum superficialis

Front 3

where does the common flexor forearm tendon attach?

Back 3

the medial epicondlye and supracondylar ridge

Front 4

what muscles are in the middle layer of the forearm flexor compartment?

Back 4

the flexor digitorum superficialis

Front 5

what muscles are in the deep layer of the forearm flexor compartment?

Back 5

the flexor pollicis longs, flexor digitorum produndus, and pronator quadratus

Front 6

which muscles are in the superficial layer of the extensor compartment of the forearm?

Back 6

the brachioradialis, extensor carpi radialis longus, the extensor carpi radialis brevis, the extensor digitorum, the extensor digiti minimi and the extensor carpi ulnaris

Front 7

which muscles are in the deep layer of the extensor compartment of the forearm extensor compartment?

Back 7

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

Front 8

is the extensor compartment of the forearm dorsal or ventral?

Back 8

dorsal.

Front 9

what does the common interosseus artery branch into?

Back 9

the anterior and posterior interosseus branches

Front 10

which artery passes between the radius and the ulna?

Back 10

the posterior interosseus artery.

Front 11

what does the medial antebrachial cutaneous nerve come from?

Back 11

the medial cord

Front 12

what does the lateral antebrachial cutaneous nerve come from?

Back 12

the musculocutaneous nerve

Front 13

where does the posterior antebrachial cutaneous nerve come from?

Back 13

the radial nerve

Front 14

which nerve is responsible for sensatioon the lateral half of the forearm?

Back 14

the lateral cutaneous nerve (which comes from the musculocutaneous nerve)

Front 15

which nerve innervates most of the flexor forearm muscles?

Back 15

the median nerve

Front 16

does the ulnar nerve have any branches in the forearm?

Back 16

no

Front 17

what does the ulnar nerve innervate?

Back 17

the ventral and dorsal aspect of the ulnar one and half digits (cutaneous)

Front 18

does the ulnar nerve go through the carpal tunnel?

Back 18

no

Front 19

which nerve innervates all of the extensor muscles?

Back 19

the radial nerve

Front 20

what innervates the supinator and then pierces it?

Back 20

the radial nerve

Front 21

what innervates the long abductor of the thumb?

Back 21

the posterior interosseus nerve

Front 22

which nerve is responsible for cutaneous innervation of the radial dorsum of the hand?

Back 22

the superficial radial nerve

Front 23

what travels through the carpal tunnel?

Back 23

the median nerve, the flexor pollicis longus tendon, the flexor digitorum superficials tendons, and the flexor digitorum profundus tendons

Front 24

what is perceived in carpal tunnel syndrome?

Back 24

sensations related to the pinching of the median nerve

Front 25

what kind of joint exists between the radius and ulna?

Back 25

a syndesmoses

Front 26

what is the name of the ligament that holds the radius to the ulna?

Back 26

the annular ligament

Front 27

does the ulna articulate with the carpals directly?

Back 27

no, there's an articular disc between them.

Front 28

what is compartment syndrome?

Back 28

when there is bleeding into one of the forearm compartments, creating pressure. this can cause the contents of the compartment to die.

Front 29

which extensor compartment muscle helps flexion at the elbow joint?

Back 29

the brachioradialis

Front 30

what is the extensor hood an extension of?

Back 30

the extensor digitorum

Front 31

what structures form the borders of the anatomical snuffbox?

Back 31

the tendons of the abductor pollicis longus and extensor pollicis brevis (laterally) and the tendon of the extensor pollicis longus (medially)

Front 32

what rests in the base of the anatomical snuffbox?

Back 32

the radial artery

Front 33

waht does the brachial artery branch into?

Back 33

the radial and ulnar arteries

Front 34

what is a vena commitans?

Back 34

two veins sandwiching an artery; functions for countercurrent heat exchange and blood pumping

Front 35

do the posterior interosseus nerve and artery travel together?

Back 35

no

Front 36

what structures do NOT pass through the carpal tunnel but still go to the hand?

Back 36

the ulnar nerve and artery, and the radial artery

Front 37

what forms the roof of the carpal tunnel?

Back 37

the flexor retinaculum