대둔근(gluteus maximus)

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)