If a Muscle Crosses the Spinal Joints of the Trunk

Multiple Choice

If a muscle crosses the spinal joints of the trunk posteriorly with a vertical direction to its fibers,what eccentric function will it most likely have?

A) restrains/slows flexion of the trunk at the spinal joints
B) restrains/slows extension of the trunk at the spinal joints
C) restrains/slows lateral flexion of the trunk at the spinal joints
D) restrains/slows contralateral rotation of the trunk at the spinal joints