Flexor carpi radialis
Arms
- Origin
- Medial epicondyle of the humerus
- Insertion
- Bases of the second and third metacarpals
- Action
- Flexes the wrist and bends it toward the thumb side
- Nerve supply
- Median nerve (C6–C7)
A wrist flexor on the thumb side of the forearm. Its tendon is easy to feel at the front of the wrist when you bend it against resistance.