And that really is a shame. The upper glutes—specifically, the gluteus medius and gluteus minimus—are the secret weapons behind hip stability, posture, and lower-back support. Strengthening ...

Colleen M. Brough, D.P.T., director of Columbia ... especially for power and propelling you forward!—the smaller gluteus ...

We might think about training the muscles around the bum and the hips collectively, but the gluteus maximus, medius and minimus all have different purposes and are activated via specific movements.