If a Muscle Crosses the Metacarpophalangeal and Interphalangeal Joints of Fingers

question 3

Multiple Choice

If a muscle crosses the metacarpophalangeal and interphalangeal joints of fingers two through five on the palmar (anterior) side with a vertical orientation to its fibers,what will its action most likely be?

• A)flexion of the fingers at these joints
• B)extension of the fingers at these joints
• C)abduction of the fingers at these joints
• D)adduction of the fingers at these joints

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