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Gluteus medius

Contents

Anatomy

Gluteus medius - posterior
Gluteus medius -lateral
Gluteus medius - anterior
Gluteus medius - posterolateral

Position

  • Partly superficial

Origin

  • Inferior along the iliac crest

Insertion

  • Lateral on the trochanter major femoris

Main function

  • Hip
    • Abduction
    • Flexion
    • Medial rotation (anterior fibers)
    • Extension
    • Lateral rotation (posterior fibers)
  • Pelvis
    • Posterior tilt (posterior fibers)
    • Anterior tilt (anterior fibers)

Secondary function

  • Pelvis
    • Depression
    • Ipsilateral rotation (anterior fibers)
    • Contralateral rotation (posterior fibers)

Nerve innervation

  • Segmental
    • L4-S1
  • Peripheral
    • Nervus glutealis superior

Arterial supply

  • Superior gluteal artery

Referred pain pattern

Gluteus medius - pain pattern

Muscle type

  • Phasic
    • Weakens when overactivated

Symptoms

  • Lumbago

Muscular attachments

Videos

Short version

Detailed version

Variation, short version

Variation, detailed version

Variation 2, detailed version