Anatomy
Nerves
Three main nerves run from the neck to the hand: median, ulnar, and radial. They carry feeling and movement signals; pressure on any of them can cause numbness, tingling, or weakness.
Key structures
- median nerve
- ulnar nerve
- radial nerve
Related conditions
Sources
- Nerves of the upper extremity — American Society for Surgery of the Hand(accessed 2026-04-21)
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