GLUTEUS MAXIMUS

ORIGIN
Outer surface of ilium behind posterior gluteal line and posterior third of iliac crest lumbar fascia, lateral mass of sacrum, sacrotuberous ligament and coccyx
INSERTION
Deepest quarter into gluteal tuberosity of femur, remaining three quarters into iliotibial tract (anterior surface of lateral condyle of tibia)
ACTION
Extends and laterally rotates hip. Maintains knee extended via iliotibial tract
NERVE
Inferior gluteal nerve (L5, S1,2)