Where Does Psoas Major Attach?

The psoas major's proximal (closest to the head) attachment is on the sides of the bodies of the vertebrae from T12 through L4. It continues down the sides of the spine, over the front of the pubic bone, and then attaches at the distal end, with the fibers of the iliacus

What does the psoas muscle attach to?

The psoas muscle attaches to the vertebrae on your lumbar spine, and then crosses the outer edge of each pubis (near your pelvis). It next joins with the iliacus muscle at your inguinal ligament (in your groin region), and finally attaches at your femur.

Can you feel the psoas major?

Although it is an incredibly strong muscle, it can feel delicate and vulnerable, and may have a strong physical response to touch. It requires a bit of exploration and practice, but you may be able to feel the psoas from the inside too.