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image: Extensor Digiti Minimi
Extensor Digiti Minimi

Extensor Digiti Minimi

 Articulations :

 Action :

  • Extends 5th digit at metacarpophalangeal and interphalangeal joints.

Origin :

  • Lateral epicondyle of humerus.

Insertion :

  • Extensor expansion of 5th digit.

Innervation :

  • Posterior interosseous nerve (C7 and C8).

Arterial Supply :

  • Interosseous recurrent artery.

Depth :

  • Superficial
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