Using the muscle name as a clue, what is the action of the extensor carpi ulnaris?
A) To extend the wrist
B) To extend the arm at the shoulder
C) To dorsiflex the foot
D) To extend the leg at the knee

Question

Quizplus · Accepted Answer

The extensor carpi ulnaris muscle is responsible for extending and adducting the wrist. Its name indicates its function: "extensor" for extending, "carpi" referring to the wrist, and "ulnaris" indicating its position near the ulna bone.

Using the Muscle Name as a Clue, What Is the Action