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Muscle Name: Iliopsoas

Medical Name:

• Iliopsoas

Other Names:

• Hip Flexor

Heads:

• Psoas Major
• Iliacus

Psoas Major

Movement:

• Flexion of the hip
  • Lifting the thigh upwards
• Lateral rotation of the hip
  • Rotating the thigh outward
• Flexion of the trunk
  • Bending the torso forward

Attachment:

• Origin:
  • Transverse processes of T12-L5 vertebrae
  • Bodies and intervertebral discs of T12-L5 vertebrae
• Insertion:
  • Lesser trochanter of the femur

Iliacus

Movement:

• Flexion of the hip
  • Lifting the thigh upwards
• Lateral rotation of the hip
  • Rotating the thigh outward

Attachment:

• Origin:
  • Iliac fossa of the ilium
  • Ala of the sacrum
• Insertion:
  • Lesser trochanter of the femur (merges with the tendon of the psoas major)

Related Muscles:

• Rectus Femoris
• Sartorius
• Pectineus
• Adductor Group
• Gluteus Maximus

EXERCISES

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