Gluteus maximus
Glutes · Hips & glutes
- Origin
- Ilium, sacrum, coccyx and thoracolumbar fascia
- Insertion
- Iliotibial tract and gluteal tuberosity of the femur
- Action
- Extends and laterally rotates the hip
The largest muscle in the body. It drives hip extension in squats, deadlifts, lunges and especially hip thrusts.