What Is The Action Of The Erector Spinae Muscle Quizlet?
What Is The Action Of The Erector Spinae Muscle Quizlet? Together – straighten the back, returning it to the upright position from a flexed position, and pull the head posteriorly. They also participate in controlling vertebral column flexion by contracting and relaxing in a coordinated fashion; Individually – bend the vertebral column laterally. What movement