If a Muscle Crosses the Metacarpophalangeal and Interphalangeal Joints of Fingers

Multiple Choice

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

A) restrains/slows flexion of the fingers at these joints
B) restrains/slows extension of the fingers at these joints
C) restrains/slows abduction of the fingers at these joints
D) restrains/slows adduction of the fingers at these joints