Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025
Definition
The Flexor Pollicis Brevis is a small muscle located in the hand that assists in bending (flexing) the thumb towards the palm. It plays a crucial role in grip and manipulation of objects by enabling precise thumb movements.
The set of bones that provides attachment points for the muscles of the arms and upper body, enabling diverse movements.
Carpal Tunnel Syndrome: A condition caused by compression of the median nerve at the wrist, leading to pain and numbness in the hand, affecting thumb movement among others.
Opponens Pollicis: A muscle in the hand that works alongside the Flexor Pollicis Brevis to enable the thumb to touch the fingertips, facilitating pinch and grip actions