Which Muscle Abducts the Joints of the Thumb and Wrist

Question

Which muscle abducts the joints of the thumb and wrist?
A) extensor indices
B) extensor digitorum
C) flexor pollicis longus
D) abductor pollicis longus

Accepted Answer

The abductor pollicis longus muscle is responsible for abducting the joints of the thumb and wrist, meaning it moves them away from the midline of the body. The other muscles listed either do not directly abduct these joints or are not specifically related to the thumb and wrist.