Forearm/hand

Question 1

anterior superficial muscles

Answer 1

pronator teres
flexor carpi radialis
palmaris longus
flexor carpi ulnaris

Question 2

anterior intermediate layer muscles

Answer 2

flexor digitorum superficialis

Question 3

anterior deep layer muscles

Answer 3

flexor digitorum profundus
flexor pollicis longus
pronator quadratus

Question 4

median nerve supply - ant muscles

Answer 4

PT
FCR
FDS
FDP (lateral half)
FPL
PQ

Question 5

ulnar nerve supply - ant muscles

Answer 5

FDP medial half

FCU

Question 6

Pronator teres function

Answer 6

pronation

Question 7

FCR & FCU function

Answer 7

flexion of the wrist

Question 8

palmaris longus fxn

Answer 8

flexion of the wrist

Question 9

flexor digitorum superficialis fxn

Answer 9

flexion of PIP (primary fxn)
flexion of MCP
flexion of wrist

Question 10

flexor digitorum profundus fxn

Answer 10

flexion of DIP (primary function)
flexion of MCP
flexion of wrist

Question 11

flexor pollicis longus fxn

Answer 11

flexion of IP of thumb

Question 12

pronator quadratus fxn

Answer 12

pronation

Question 13

extensor muscle innervation

Answer 13

radial N
including brachioradialis (flexor)

Question 14

brachioradialis fxn

Answer 14

flexion of elbow

Question 15

extensor carpi radialis (longus and brevis), extensor carpi ulnaris fxn

Answer 15

extension of wrist

Question 16

anconeus fxn

Answer 16

extension of elbow joint

Question 17

supinator fxn

Answer 17

supination

Question 18

snuffbox contents

Answer 18

scaphoid - more important

trapeziumradial artery

Question 19

Median nerve course

Answer 19

leaves the cubital fossa with the brachial artery, enters forearmpasses through the carpal tunnel to enter the hand

Question 20

Ulnar nerve course

Answer 20

passes posterior to the medial epicondyle, enters the forearmruns on the medial side of the forearm and wrist and enters the hand

Question 21

ulnar nerve supply

Answer 21

flexor carpi ulnaris
medial half of flexor digitorum profundus
dorsal branch in the forearm - sensory innervation of the medial side of the dorsum of the hand

Question 22

radial nerve course

Answer 22

Leaves the posterior compartment of the arm, enters cubital fossa and divides into deep and superficial branches
Deep: pierces supinator
superficial: skin of the lateral hand/digits

Question 23

arteries of the forehand

Answer 23

ulnar (most)radial

Question 24

ulnar artery supply

Answer 24

forms palmar arterial arches

supplies the majority of the forearm - the anterior and posterior compartments of forearm with radial artery

Question 25

radial artery supply

Answer 25

mostly the lateral side of the forearmdistal part - passes through the anatomical snuff box, after passing through the first interosseous space in the hand, enters the palm of the hand and forms the deep palmar arch

Question 26

Carpal bones

Answer 26

``` lateral to medial, proximal then distal scaphoid lunate triquetrium pisiform trapezium trapezoid capitate hamate ```

Question 27

Carpal tunnel contents

Answer 27

9 tendons + median nerve

Question 28

Intrinsic muscles of the hand

Answer 28

thenar, hypothenar and central muscles

Question 29

Thenar muscles

Answer 29

abductor pollicis brevis flexor pollicis brevis opponens pollicis

Question 30

thenar muscle N

Answer 30

median

Question 31

Hypothenar muscles

Answer 31

palmar brevis abductor digiti minimi flexor digiti minimi brevis opponens digiti minimi

Question 32

Lumbrical fxn

Answer 32

tata movement | flexion of MCPs and extension of DIP & PIP

Question 33

dorsal interossei function

Answer 33

abduction of digits (DAB)

Question 34

hypothenar muscle N

Answer 34

ulnar

Question 35

palmar interossei function

Answer 35

adduction of digits (PAD)

Question 36

intrinsic muscle innervation

Answer 36

ulnar EXCEPT thenar and 1st and 2nd lumbrical (median)

Question 37

Hand blood supply

Answer 37

ulnar: medial 3.5 fingers, superficial palmar arch radial: lateral 1.5 fingers, deep palmar arch