Which of the following is an action of the erector spinae group?

Question

Quizplus · Accepted Answer

The erector spinae group is a primary extensor of the trunk, neck, and head at the spinal joints. It helps to maintain an upright posture and stabilize the spine. Therefore, option B, which describes extension of the trunk, neck, and head at the spinal joints, is the correct answer. The other options are incorrect as flexion, contralateral rotation, or extension of the arm are not actions performed by the erector spinae group muscles.

Which of the Following Is an Action of the Erector