yogabook / muscles / hand/forearm dorsal / extensor digitorum
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M. extensor digitorum (communis)
Strongest dorsiflexor of the wrist, dorsiflexion/extension of metacarpophalangeal joints and proximal finger joints
Origin: Epicondylus lateralis humeri as well as lig. collaterale radiale, lig. annulare radii, fascia antebrachii
Attachment: Dorsal side of the proximal phalanx and capsule of the metacarpophalangeal joints of fingers 2-5
Antagonists:
Movement: Dorsiflexion of the wrist, metacarpophalangeal joints, proximal finger joints