Origin
Ulna
Insertion
Into the distal phalanges.
Blood supply
Anterior interosseous artery.
Nerve supply
Anterior interosseous nerve, ulnar nerve.
Action
It carries out flexion of the 4 fingers and the wrist.
Disease/Injury
Overuse of this muscle can contribute to carpal tunnel syndrome. Repetitive stress on the tendons of this muscle as in flexing the wrist and fingers to type on a keyboard can cause swelling and pain at the wrist.
Muscle Exercise
Flexing the wrist joint with dumbbells helps to strengthen the flexor digitorum profundus.
Interesting Facts
You use this muscle while playing the musical instruments like guitar, piano, etc.
