Muscle Palpation - Extensor Carpi Radialis Longus & Extensor Carpi Radialis Brevis

This is a detail, step by step, description on how to palpate extensor carpi radialis longus and extensor carpi radialis brevis muscle by Keith Bootsma, RMT.

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Extensor Carpi Radialis Longus:
Origin:
Distal 1/3 of Lateral Supracondylar Ridge of Humerus

Insertion:
Base of 2nd Metacarpal Bone

Functions:
1- Extension of the Hand @ the Wrist Joint
2- Abduction (Radial Deviation) of the Hand @ the Wrist Joint

Nerve:
Radial Nerve

Extensor Carpi Radialis Brevis:
Origin:
Lateral Epicondyle of Humerus via Common Extensor Tendon

Insertion:
Base of 3rd Metacarpal Bone

Functions:
1- Extension of the Hand @ the Wrist Joint
2- Abduction (Radial Deviation) of the Hand @ the Wrist Joint

Nerve:
Radial Nerve