Do you do the bridge pose? Lying on your back, bend both knees and place the feet flat on the floor hip width apart. This is just the start! The benefits of this exercise are endless and here we have created an article with this, and many more exercises to really build and firm your glutes, legs and back! When you haven’t trained, the muscles to suffer the most from a sedentary lifestyle are the glutes. They constitute the largest and powerful muscle group in your body.