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image: Extensor Digitorum
Extensor Digitorum

Origin :

  • Extensor expansions of medial four digits.

Insertion :

  • Extensor expansions of medial four digits.

Innervation :

  • Posterior interosseous nerve (C7 and C8).
  • The continuation of the deep branch of the radial nerve

Arterial Supply :

  • Interosseous recurrent and posterior interosseous arteries.

Depth :

  • Superficial
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