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M. extensor digiti minimi
Small finger extensor that functionally belongs to the extensor digitorum but has its own tendon and originates in the forearm
Origin: common tendon of the extensors and interosseous membrane
Insertion: Dorsal side (back) of the little finger
Antagonists:
Movement: analogous to extensor digitorum (communis): Dorsiflexion of the wrist and little finger joints Ulnar abduction of the wrist