Main Model
23 Gluteus maximus muscle
Gluteus maximus
Proximal Attachment: Ilium posterior to posterior gluteal line; dorsal surface of sacrum and coccyx; sacrotuberous ligament
Distal Attachment: Most fibers end in iliotibial tract, which inserts into lateral condyle of tibia; some fibers insert on gluteal tuberosity
Innervation: Inferior gluteal nerve (L5, S1, S2)
Main Action(s): Extends thigh (especially from flexed position) and assists in its lateral rotation; steadies thigh and assists in rising from sitting position