Extrinsic muscles of the hand

Definition

Extrinsic muscles of the hand are muscles that originate outside of the hand, typically in the forearm, and insert into the bones of the hand, controlling movements such as grasping, flexion, and extension. These muscles are crucial for executing complex motions and strength tasks involving the fingers and wrist.

Related terms

Tendons: Fibrous connective tissues that attach muscle to bone, transmitting forces created by muscle contractions to enact movement.

Flexor Digitorum Profundus: A muscle in the forearm that flexes the fingers, allowing bending at all finger joints.

Extensor Carpi Radialis Longus: A muscle in the forearm responsible for extending and abducting the wrist