Extensors of the wrist and digits

Question 1

Origin of Flexor carpi radialis?

Answer 1

Medial epicondyle

Question 2

Insertion of flexor carpi radialis?

Answer 2

Dorsal surface of the base of metacarpal II

Question 3

Action of flexor carpi radialis?

Answer 3

Extends and abducts the wrist

Question 4

Origin Extensor carpi radialis Brevis?

Answer 4

Lateral epicondyle

Question 5

Insertion of extensor carpi radialis brevis?

Answer 5

Dorsal surface of metacarpal II and III

Question 6

Action of extensor carpi radialis brevis?

Answer 6

Extends and abducts the wrist

Question 7

Origin of extensor digitorum?

Answer 7

Lateral epicondyle and deep fascia

Question 8

Insertion of extensor digitorum?

Answer 8

4 tendons insert via extensor hoods into bases of dorsal aspects of middle and distal phalanges of 2-5 (tendons under the retinaculum)

Question 9

Action of extensor digitorum?

Answer 9

Extends digits 2-5 and extends wrist

Question 10

Innervation of extensor digitorum, specifically?

Answer 10

Posterior interosseous branch of radial nerve (C7)

Question 11

origin of Extensor digiti minimi?

Answer 11

lateral epicondyle

Question 12

Insertion of extensor digiti minimi?

Answer 12

Extensor hood of the 5th digit

Question 13

Innervation of the extensore digiti minimi specifically?

Answer 13

Posterior interosseous nerve of radial

Question 14

Origin of Extensor carpi ulnaris?

Answer 14

Lateral epicondyle and posterior border of ulna

Question 15

Insertion of extensor carpi radialis?

Answer 15

Tubercle on base of medial side of digit 5!

Question 16

Origin of anconeus?

Answer 16

Lateral epicondyle

Question 17

Insertion of anconeus?

Answer 17

olecranon and proximal posterior surface of the ulna

Question 18

Action of anconeus?

Answer 18

Accessory extensor of the elbow, abduction of the ulna in pronation