Where Are Your Erectors?

The muscles and tendons of your erector spinae are located on both sides of your vertebral column (the bony points of the spine), which runs from your sacral and lumbar (lower back) to your thoracic (middle back) to your cervical region (upper back and neck).

What are your Erectors?

The erector spinae muscle, also known as sacrospinalis and extensor spinae in some texts is from the deep muscles of the back. It lies superficial to the transversospinales muscle group and deep to the intermediate group of back muscles (serratus posterior superior and inferior).

Where do erector spinae muscles attach?

Attachments. Several texts state that the erector spinae muscles have a single, common insertion point of a large broad tendon on the back of the sacrum, the inner side of the iliac crest, sacroiliac ligaments, and lumbosacral spinous processes ^2-5.