The muscle on the dorsal side of the trunk that extends the vertebral column is the:
A)rectus abdominis
B)sacrospinalis group
C)gluteus maximus
D)iliopsoas

Question

Quizplus · Accepted Answer

The sacrospinalis group, also known as the erector spinae, is located on the dorsal side of the trunk and extends the vertebral column. The rectus abdominis is located on the ventral side of the trunk and flexes the vertebral column, while the gluteus maximus is located in the buttocks and extends the hip joint. The iliopsoas is a muscle group that flexes the hip joint.

The Muscle on the Dorsal Side of the Trunk That