Wrist extensors

Question 1

Extensor Carpi Ulnaris (Origin)

Answer 1

Lateral epicondyle of humerus

Question 2

Extensor Carpi Ulnaris (insertion)

Answer 2

Base of 5th Mc

Question 3

Extensor carpi Ulnaris (action)

Answer 3

Extends the ulnar side of the wrist
Important for making fist

Question 4

Extensor Carpi radialis Longus (origin)

Answer 4

Distal lateral supracondylar ridge of humerus

Question 5

Extensor Carpi radialis Longus (Insertion)

Answer 5

Base of 2nd mc

Question 6

Extensor Carpi radialis Longus (action)

Answer 6

Extends radial side of wrist joint

Question 7

Extensor Carpi radialis Brevis (origin)

Answer 7

Lateral epicondyle of humerus

Question 8

Extensor Carpi radialis brevis (insertion)

Answer 8

Base of 3rd mc

Question 9

Extensor Carpi radialis Brevis (action)

Answer 9

Extends the radial side of wrist

Question 10

Extensor digitorum (origin)

Answer 10

Lateral epicondyle of humerus

Question 11

Extensor digitorum (insertion)

Answer 11

Dorsal aspect of phalanges of fingers

Question 12

Extensor digitorum (action)

Answer 12

Extends the fingers

Question 13

Extensor Digiti mimimi (Origin)

Answer 13

Lateral epicondyle of humerus

Question 14

Extensor Digiti mimimi (Insertion)

Answer 14

Dorsal aspect of phalanges of little finger

Question 15

Extensor Digiti mimimi (Action)

Answer 15

Extends little finger