Muscles / Forearms
Extensor digitorum
- Forearms
- Forearm & wrist
- Superficial layer
Also called extensor digitorum communis, EDC.
Anatomy
- Origin
- Lateral epicondyle of the humerus
- Insertion
- Extensor expansions of digits 2-5
- Nerve
- Posterior interosseous nerve (radial) (C7-C8)
Actions
- Extends digits 2-5 mainly at the MCP joints
- Assists wrist extension
Also trained by
References (4)
- Standring S, ed. Elsevier. Gray's Anatomy: The Anatomical Basis of Clinical Practice. 42nd ed.
- Dalley AF, Agur AMR. Wolters Kluwer. Moore's Clinically Oriented Anatomy. 9th ed.
- Neumann DA. Elsevier. Kinesiology of the Musculoskeletal System: Foundations for Rehabilitation. 3rd ed.
- Betts JG, Young KA, Wise JA, et al. OpenStax (free, openly licensed textbook). Anatomy and Physiology 2e