Clinical Anatomy - Upper Limb

Question 1

cartilaginous extension of the glenoid cavity

Answer 1

labrum

Question 2

movements at olecranon

Answer 2

flexion/extension

Question 3

movements at RUJ

Answer 3

supination/pronation

Question 4

area particularly susceptible to fracture in children

Answer 4

supracondylar region

Question 5

what may be compromised in a fracture to the supracondylar region

Answer 5

median nerve and brachial artery

Question 6

ligaments in elbow

Answer 6

medial and lateral collaterals, annular ligaments

Question 7

Tennis elbow

Answer 7

lateral epicondylitis

occurs at common extensor origin

Question 8

Golfer’s elbow

Answer 8

medial epicondylitis

occurs at common flexor origin

Question 9

annular ligaments critical to prevent bowstringing

Answer 9

A2/4

Question 10

annular ligaments which overlie MP/PIP/DIP

Answer 10

A1/3/5

Question 11

pulley most commonly involved in trigger finger

Answer 11

A1

Question 12

function of cruciate pulleys

Answer 12

prevent sheath collapse and expansion during digital motion

Question 13

muscular supply of median nerve

Answer 13

flexors of the forearm 
LOAF muscles (lumbricals 1/2, opponens pollicis, abductor pollicis brevis, flexor pollicis brevis)

Question 14

how to test muscular supply of median nerve

Answer 14

test abductor pollicis brevis

Question 15

cutaneous sensation of median nerve

Answer 15

radial 3.5 digits

Question 16

how to test cutaneous sensation of median nerve

Answer 16

test tip of index finger and base of thenar muscles

Question 17

muscular supply of ulnar nerve

Answer 17

small intrinsic muscles of the hand

Question 18

how to test muscular supply of ulnar nerve

Answer 18

test adductor digiti minimi, abductor indicis

Question 19

cutaneous sensation of ulnar nerve

Answer 19

ulnar 1.5 digits

Question 20

how to test cutaneous sensation of ulnar nerve

Answer 20

test dorsum and volar aspects of little finger

Question 21

muscular supply of radial nerve

Answer 21

extensors of the forearm

Question 22

how to test muscular supply of radial nerve

Answer 22

test extensor digitorum and extensor indicis

Question 23

cutaneous sensation of radial nerve

Answer 23

variable portion of dorsum of hand

Question 24

how to test cutaneous sensation of radial nerve

Answer 24

dorsum of 1st webspace

Question 25

what is the brachial plexus

Answer 25

network of the ventral rami of the lower 4 cervical nerves and first thoracic nerve roots

Question 26

subunits of brachial plexus

Answer 26

roots - trunks - divisions - cords - branches

Question 27

cubital tunnel boundaries

Answer 27

arch formed by 2 heads of flexor carpi ulnaris muscle and arcuate ligament

Question 28

cubital tunnel syndrome

Answer 28

ulnar nerve impingement

Question 29

carpal tunnel boundaries

Answer 29

carpal bones and flexor retinaculum

Question 30

carpal tunnel syndrome

Answer 30

median nerve impingement

Question 31

function of palmar fascia

Answer 31

separates palmar muscle bellies and flexor tendons