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image: Extensor Carpi Radialis Brevis
Extensor Carpi Radialis Brevis

Extensor Carpi Radialis Brevis

 Articulations :

 Action :

  • Extend and abduct hand at wrist joint.

Origin :

  • Lateral epicondyle of humerus.

Insertion :

  • Base of 3rd metacarpal.

Innervation :

  • Deep branch of radial nerve (C7 and C8).

Arterial Supply :

  • Radial artery.

Depth :

  • Superficial
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