Origin
This muscle originates from the radius and occasionally from the ulna bone.
Insertion
It inserts into the distal phalanges.
Blood supply
Anterior interosseous artery.
Nerve supply
Anterior interosseous nerve.
Action
It is most commonly used to flex and control the thumb and help flex the wrist when the thumb is in a flexed state.
Disease/Injury
Overuse of the muscle may lead to injuries.
Muscle Exercise
This muscle can be strengthened by practicing wrist flexion exercises.
Interesting Facts
You use this muscle daily to grip objects with the hand such as a steering wheel, a glass, or a pencil.
