Extensor digiti minimi muscle
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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 tendon attached to the lateral epicondyle of the humerus. The EDM represents a medial group of superficial extensor superficial muscles. The EDM passes under an extensor retinaculum near the wrist.
Summary
- origin: lateral epicondyle of humerus
- insertion: tendon of extensor digitorum for the 5th digit
- innervation: posterior interosseous branch of deep radial nerve (C6-C8)
- action: extension in metacarpophalangeal joint
-<p><strong>Extensor digiti minimi (EDM)</strong> is a muscle of the superficial layer of the posterior compartment of the <a href="/articles/forearm">forearm</a>, and with other extensor muscles arises from a common tendon attached to the lateral epicondyle of the humerus. The EDM represents a medial group of extensor superficial muscles. The EDM passes under an extensor retinaculum near the wrist.</p><h4>Summary</h4><ul>- +<p><strong>Extensor digiti minimi (EDM)</strong> is a muscle of the superficial layer of the posterior compartment of the <a href="/articles/forearm">forearm</a>, and with other extensor muscles arises from a common 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.</p><h4>Summary</h4><ul>
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