Intrinsic muscles of the hand

Definition

Intrinsic muscles of the hand are located within the hand itself and are responsible for fine motor movements such as gripping, pinching, and typing. They contrast with extrinsic muscles, which originate outside the hand but also facilitate its movement.

Related terms

Flexor Digitorum Profundus: A muscle that flexes the fingers, enabling bending at the distal joints.

Abductor Pollicis Brevis: A muscle that abducts the thumb, allowing it to move away from the palm.

Opponens Pollicis: A muscle that allows opposition of the thumb, facilitating touch between the thumb and fingertips