Extensor Carpi Ulnaris

Question 1

Extensor Carpi Ulnaris (ORIGIN)

Answer 1

Lateral epicondyle of the humerus and posterior border of the ulna.

Question 2

Extensor Carpi Ulnaris (INSERTION)

Answer 2

Base of the fifth metacarpal

Question 3

Extensor Carpi Ulnaris (INNERVATION)

Answer 3

Radial nerve (posterior interosseous nerve, C7, C8)

Question 4

Extensor Carpi Ulnaris (BLOOD SUPPLY)

Answer 4

Ulnar artery

Question 5

Extensor Carpi Ulnaris (ACTION)

Answer 5

Extends and adducts the hand at the wrist