gluteus medius muscle

The gluteus medius and gluteus minimus muscles are two muscles of the more superficial group in the gluteal region.

Summary
  • origin: gluteal surface of the ilium between the posterior and anterior gluteal line
  • insertion: superoposterior and lateral facets of the greater trochanter of femur
  • arterial supplysuperior gluteal artery
  • innervationsuperior gluteal nerve
  • action
    • abducts femur at hip joint
    • holds pelvis secure over stance leg and prevents pelvic drop on the opposite swing side during walking
    • medially rotates thigh
  • bursa: separating the upper part of the lateral surface of the greater trochanter from the tendon 
  • antagonist: adductors
  • variants: ​may join the insertion of the piriformis