Which is an action of the palmaris brevis?
A)flexion of the hand at the wrist joint
B)flexion of the thumb at the carpometacarpal joint
C)wrinkles the skin of the palm
D)extension of the fingers at the metacarpophalangeal joint

Question

Quizplus · Accepted Answer

The palmaris brevis muscle is responsible for wrinkling the skin of the palm. It is located in the superficial layer of the palm of the hand, and it helps to grip and stabilize objects. This muscle does not perform flexion or extension of the hand, thumb or fingers.

Which Is an Action of the Palmaris Brevis