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Gluteus maximus

Contents

Anatomy

Position

  • Superficial

Origin

  • Posterior part of crista iliaca
  • Posterolateral part of sacrum
  • Os coccyx
  • Sacrotuberous ligament
  • Thoracolumbar fascia
  • Fascia over the gluteus medius

Insertion

  • Iliotibial band
  • Tuberositas glutea femoris

Main function

  • Hip
    • Extension
    • Abduction
    • Lateral rotation
    • Adduction
  • Pelvis
    • Posterior tilt

Secondary function

  • Pelvis
    • Contralateral rotation
  • Knee
    • Extension (via iliotibial band)

Nerve innervation

  • Segmental
    • L5-S2
  • Peripheral
    • Inferior gluteal nerve

Arterial supply

  • Superior gluteal artery
  • Inferior gluteal artery

Referred pain pattern

Gluteus maximus - pain pattern

Muscle type

  • Phasic
    • Weakens when overactivated

Symptoms

  • Unease and pain while sitting for prolonged periods of time
  • Problems walking uphill, especially in forward stooped position
  • Antalgic gait
  • Restricted range of motion of flexion of hip

Muscular attachments

 

Iliotibial tract attachment knee

Videos

Short version

Detailed version

Alternativ - short version

Alternativ - detailed version

Myofascial lines

Lateral line

Supportive dorsal line