Radial Nerve

Question 1

The Radial Nerve comes off the brachial plexus at

Answer 1

the posterior cord

Question 2

it passes under ______ and runs along_____

Answer 2

passes under teres major and runs along the radial groove

Question 3

It supplies:

Answer 3

Triceps
Anconeus
and the interior lateral cutaneous of arm
posterior cutaneous nerve of arm

Question 4

it crosses the elbow

Answer 4

anterior to the lateral epicondyle

Question 5

it immediately supplies:

Answer 5

Brachioradialis
extensor carpi radialis longus
extensor carpi radialis brevis
supinator

Question 6

and then branches into:

Answer 6

Superficial Branch and the Deep Radial Branch

Question 7

The Superficial Branch is only:

Answer 7

Sensory to skin only

Question 8

this branch runs

Answer 8

under brachioradialis and adjacent to the radial artery

Question 9

it enters the wrist by

Answer 9

passing over the anatomical snuff box

Question 10

the Superficial Branch of the Radial supplies the:

Answer 10

skin of the dorsal-lateral palm
small strip of the skin on the palmer side
dorsum of the thumb and 2 lateral fingers (minus the tips)

Question 11

the Deep Branch emerges from

Answer 11

under the heads of the supinator

Question 12

the Deep Branch supplies the

Answer 12

remaining extensors of the forearm

Question 13

these extensors are:

Answer 13

Extensor digitorum com
Extensor digiti minimi
Extensor carpi ulnaris
Abductor Pollicis longus
Extensor Pollicis Brevis
Extensor Pollicis Longus
Extensor Indicis

Question 14

It terminates at the

Answer 14

wrist!