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 an extensor retinaculum near the wrist and passes through the 5th extensor compartment of the wrist.


Upper limb anatomy
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Article information

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

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Cases and figures

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    Figure 1: extensor compartments of the wrist
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