When opposing the thumb, which muscle is active?
A) flexor digitorum profundus.
B) abductor pollicis longus.
C) flexor pollicis longus.
D) pronator teres.
E) flexor carpi radialis.

Name: When opposing the thumb, which muscle is active? A) flexor digitorum profundus. B) abductor pollicis longus. C) flexor pollicis longus. D) pronator teres. E) flexor carpi radialis.
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Question

Quizplus · Accepted Answer

The flexor pollicis longus is responsible for flexing the thumb, which is a key component of thumb opposition.

When Opposing the Thumb, Which Muscle Is Active