Gluteus Maximus

Gluteus Maximus Muscle

Gluteus Maximus is the largest and most superficial of the three gluteal muscles which forms the rounded shape of the buttocks.

Origin - Posterior crest of the ilium.
Posterior surface of the sacrum.  

Insertion - Gluteal tuberosity of the femur Iliotibial band (ITB).  

Actions - Hip extension.
External rotation of the hip.

Innervation - Inferior gluteal nerve.  

Daily uses - Extension phase of walking upstairs.

Example strengthening exercises - Hip extension using a resistance band.  

Example stretches - Gluteus maximus stretch.  

Related injuries - Myofascial pain in the buttock muscles.

Related muscles - Gluteus medius.
Gluteus minimus.