Gluteus Maximus Diagram. It attaches to the femur the thighbone. Anatomy chart courtesy of fcit the gluteus maximus originates along the pelvic bone crests and attaches to the rear of the femur.
The outermost of the three gluteal muscles. The gluteus maximus is one of the largest and strongest muscles in the body. Function given the wide range of origins as well as a superior and inferior insertion the gluteus maximus muscle performs a variety of actions including hip extension lateral rotation external rotation and trunk extension when the distal attachment of the muscle is fixed.
Adapted screenshots from kenhub anatomy video cfcf via wikimedia commons cc training this muscle will do wonders for the way your butt looks.
It is also the most superficial producing the shape of the buttocks. The gluteus maximus is one of the largest and strongest muscles in the body. Its thick fleshy mass in a quadrilateral shape makes the distinction of the buttocks. The gluteus medius is found deep to the gluteus maximus and superficial to the gluteus minimus.