Anatomy
Muscles of the hand
Hand movement comes from two muscle groups: long muscles in the forearm that pull on tendons, and small muscles inside the hand itself ('intrinsics') that fine-tune finger position and pinch.
Key structures
- thenar muscles
- hypothenar muscles
- lumbricals
- interossei
Related conditions
Sources
- Anatomy of the hand and wrist — American Society for Surgery of the Hand(accessed 2026-04-22)
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