Palmaris longus

Definition

The palmaris longus is a slender muscle located in the forearm that plays a role in flexing the wrist and tensing the palmar aponeurosis, contributing to hand movement. It is not present in all individuals, with some people lacking this muscle entirely without any loss of function.

Related terms

Flexor Carpi Radialis: This muscle aids in bending the wrist and abducting the hand.

Palmar Aponeurosis: A thickened fibrous layer that covers the muscles of the palm and helps in gripping objects.

Tendons: Tough bands of fibrous connective tissue that usually connect muscles to bones and help facilitate movement