Flexor pollicis longus

Definition

The flexor pollicis longus is a muscle in the forearm that enables the thumb to move towards the palm, facilitating grip and precision movements. It originates from the radius and the interosseous membrane, inserting into the base of the distal phalanx of the thumb.

Related terms

Tendons: Tendons are flexible but inelastic cords of strong fibrous collagen tissue that attach muscles to bones.

Grip Strength: Grip strength is the force applied by the hand to pull on or suspend from objects and is primarily facilitated by muscles in the forearm.

Distal Phalanx: The distal phalanx is the bone at the tip of each finger and toe; in context, it's where the flexor pollicis longus inserts to enable thumb movement