ILIOPSOAS

• Origin

Iliacus: Iliac fossa, Sacroiliac joint,

Psoas: Lumbar vertebrae

• Insertion

Lesser trochanter of femur

• Agonist(s)

- Rectus femoris

• Antagonist(s)

- Gluteus maximus

• Function

Hip flexion, hip external rotation, lumbar spine stabilization

spare