Upper limb lecture 11

Question 1

Muscles of the back of the forearm are innervated by which nerve

Answer 1

Radial nerve

Question 2

Action of brachioradialis

Answer 2

1. Flex the elbow in mid prone position
   .2. Initiates pronation &
   supination of forearm.

Question 3

Insertion of Extensor carpi
radialis brevis

Answer 3

:into the back of the base of the third metacarpel bone

Question 4

origin of Brachioradialis

Answer 4

from the upper 2/3 of the lateral supracondylar ridge

Question 5

Action of supinator

Answer 5

Supinates the extended arm

Question 6

Insertion of abductor pollicis longus

Answer 6

into the back of the base of the first metacarpal bone of the thumb