The Muscle That Allows the Thumb to Be Drawn Across

Question

The muscle that allows the thumb to be drawn across the palm to touch the tip of any finger is the:
A)extensor digitorum.
B)opponens pollicis.
C)palmaris longus.
D)flexor carpi radialis.

Accepted Answer

The muscle that allows the thumb to be drawn across the palm to touch the tip of any finger is the opponens pollicis.