Which is an action of the multifidus?
A)ipsilateral rotation of the trunk at the spinal joints
B)flexion of the thigh at the hip joint
C)posterior tilt of the pelvis at the lumbosacral joint
D)extension of the trunk at the spinal joints

Question

Quizplus · Accepted Answer

The multifidus muscle is a deep muscle of the back that spans three joint segments and works to stabilize the joints during movement. Its primary action is the extension of the trunk at the spinal joints, not rotation, flexion of the thigh, or tilting of the pelvis.

Which Is an Action of the Multifidus