Erector Spinae Iliocostalis Muscle Yoga Anatomy

Erector spinae Iliocostalis Thoracis

Where Is the Erector spinae iliocostalis?

The erector spinae  are three long thin muscle groups running vertically up each side of the vertebral column.

They are: iliocostalis, longissimus and spinalis.
These muscles act on different segments of the vertebral column.


What are the Symptoms of a Erector spinae iliocostalis tear or strain?

The upper iliocostalis thoracis can create pain located between the shoulder blade and spine. Often times the pain can wrap around the body because of the lift if often has on the ribs when it is in a tightened state. Pain can be felt round the


What is The Function of the Erector spinae iliocostalis?

Extension of the thoracic spine, lateral flexion of the thoracic spine, extension of the lumbar spine, lateral flexion of the lumbar spine.

  • Straightens (extends) the back (vertebral column)


These muscles are engaged for the Yoga pose Shalabasana

Origin and Insertion of Erector spinae iliocostalis

Posterior gluteal line
Posterior surface of sacrum and coccyx
Sacrotuberous ligament


Upper fibers: iliotibial tract
Lower fibers: gluteal tuberosity of the femur