ILIOPSOAS

• Origin

Iliacus: Iliac fossa, Sacroiliac joint, Psoas: 

• Insertion

Lumbar transverse processes, Intervertebral discs, Lesser trochanter of femur

• Agonist(s)

- Rectus femori

• Antagonist(s)

- Gluteus maximus

• Function

Hip flexion, hip external rotation, lumbar spine stabilization