Diagram Of The Hand Muscle. Hand grasping organ at the end of the forelimb of certain vertebrates that exhibits great mobility and flexibility in the digits and in the whole organ. Wrist anatomy Start quiz.
They run down the forearm and cross the wrist and hand. While four muscles are responsible for the upper arm musculature there are over twenty muscles that move the forearm wrist hands and fingers. Digitorum means fingers.
One row connects with the ends of the bones in the forearmthe radius and ulna.
The extrinsic muscles are located in the anterior and posterior compartments of the forearm. Terms used to describe wrist and hand muscles. Muscles acting on the hand can be divided into two groups. Click on the name of the muscle or the image to see weight training exercises.