Iliopsoas is sometimes classified as two muscles, Iliacus and Psoas major.
- Inner surface of the Ilium
- Base of the sacrum
- Sides of the bodies of T12-L5
- Lesser trochanter of the femur
- Flexion of the hip
- Lateral rotation of the hip
- Flexes torso when the legs are fixed (e.g. laying to sitting)
- Femoral nerve and branches of the lumbar plexus
- Climbing a step
How can I stretch it?
How can I strengthen it?