
Muscle Anatomy
extensor indicis
The extensor indicis is one of the main finger extensor muscles in the hand.
Origin
Lower posterior shaft of ulna (below extensor pollicis longus) and adjacent interosseous membrane.
Insertion
Extensor expansion of index finger (tendon lies on ulnar side of extensor digitorum tendon).
Function
One of the main finger extensors.
extensor indicis
Exercises
With the complexity of all of the muscles and actions in the fingers, some are important in sports and bodybuilding
Volume 13 - The Fingers and Hand of our Kinesiology of Exercise Ebooks is a first for a book on strength training for the fingers and hand.