Which is an action of the erector spinae group?
A)flexion of the trunk and neck and head at the spinal joints
B)extension of the trunk and neck and head at the spinal joints
C)contralateral rotation of the trunk and neck and head at the spinal joints
D)extension of the arm at the glenohumeral joint

Question

Quizplus · Accepted Answer

The erector spinae group is primarily responsible for the extension of the trunk and neck at the spinal joints. It is not involved in flexion, contralateral rotation or extension of the arm at the glenohumeral joint.

Which Is an Action of the Erector Spinae Group