Multiple Choice
Which is an action of the extensor pollicis brevis?
A) flexion of the thumb at the carpometacarpal and metacarpophalangeal joints
B) extension of the thumb at the carpometacarpal and metacarpophalangeal joints
C) flexion of the hand at the wrist joint
D) flexion of the forearm at the elbow joint
Correct Answer:
Verified
Correct Answer:
Verified
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