Which Are Actions of the Erector Spinae Group

Multiple Choice

Which are actions of the erector spinae group?

A) flexion and lateral flexion of the trunk and neck and head at the spinal joints
B) extension and lateral flexion of the trunk and neck and head at the spinal joints
C) flexion and extension of the trunk and neck and head at the spinal joints
D) extension of the trunk and neck and head at the spinal joints and extension of the thigh at the hip joint