GLUTEUS MAXIMUS

Origin

Outer surface of ilium behind post gluteal line and post third of iliac crest lumbar fascia, lat mass of sacrum, sacrotuberous lig and coccyx

Action

Extends and lat rotates hip. Maintain knee extended via iliotibial tract

Insertion

Deepest quarter into gluteal tuberosity of femur, remaining three quarters into iliotibial tract (ant surface of lat condyle of tibia)

Nerve

Inf gluteal N (L5, S1,2)