Posterior Forearm Muscles - SUPERFICIAL

Question 1

1: Extensor Carpi Ulnaris
2: Extensor Digitorum
3: Extensor Carpi Radialis Brevis
4: Extensor Carpi Radialis Longus:

Answer 1

Origin:
- Lateral Epicondyle of Humerus

Insertion:
- Posterior Metacarpals
- ED inserts into phalanges of digits 2-5

Function:
- Extension of wrist
- Weak elbow extensor (synergist of triceps brachii)