Origin
Ulna, interosseous membrane.
Insertion
Into the index finger.
Blood supply
Posterior interosseous artery.
Nerve supply
Posterior interosseous nerve.
Action
The main function of the extensor indicis muscle is to extend the index finger and also help in extending the wrist.
Disease/Injury
NA
Muscle Exercise
NA
Interesting Facts
While applying ointment on wound, this muscle is in use.
