Extensor digiti minimi

Extensor digiti minimi (EDM) is a muscle of the superficial layer of the posterior compartment of the forearm, and with other extensor muscles arises from a common extensor tendon attached to the lateral epicondyle of the humerus. The EDM represents a medial group of superficial extensor muscles. The EDM passes under the extensor retinaculum near the wrist and passes through the 5th extensor compartment of the wrist. It is one of the extrinsic muscles of the hand.


Anatomy: Upper limb

Anatomy: Upper limb

Article information

rID: 41620
Section: Anatomy
Synonyms or Alternate Spellings:
  • EDM

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Cases and figures

  • Figure 1: extensor compartments of the wrist
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