Gluteus Maximus
The gluteus maximus is the largest muscle of the hip and one of the strongest in the body; it opens the hip backwards and brings the trunk upright. It is the chief architect of human upright walking and of powerful rising movements.
| Location | The back and outer surface of the hip; running from the pelvis to the thigh bone |
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| Function | Opening the hip joint backwards (extension), with a contribution to outward rotation; bringing the trunk upright |
| Role in daily life | Rising from a seat, climbing stairs and slopes, the push-off in running, and the main force in lifting from the floor |
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| Common misconception | Hip exercises are thought to be purely cosmetic; in fact a strong gluteus maximus plays a part in sharing the load on the lower back and knees, and is one of the cornerstones of functional independence. |
The engine of upright posture
The gluteus maximus runs from the back of the pelvis to the thigh bone and opens the hip joint backwards. It is the main source of force when you climb stairs, walk up a slope, rise from a seat, and push off at every stride when running. A muscle this large evolved in the body for tasks this fundamental.
The effect of long sitting
Sitting all day pushes this muscle into the background in two ways: it stays passive, and pressure on the neighbouring tissues can weaken the stimulus reaching it. The result is that the lower back and the knees take over work the hip should be doing; over time that compensation can be felt as fatigue and discomfort in those areas. Getting up at regular intervals and training the hips deliberately helps break the cycle.
Waking it up and building it
The Glute Bridge is the easiest way to feel this muscle in isolation. For building strength, the Kettlebell Deadlift and the Goblet Squat are the main tools; the Step-Up adds a single-sided emphasis.
Related terms: Hamstrings, Glute Bridge, Kettlebell Deadlift