4 of 6 simple ways to tone & tighten up your bum (Ball)

4.  Prone Leg Lifts Over A Ball

Lie with your #stomach down on an exercise ball with your hands on the floor. Tighten your glute muscles and lift one of your #legs somewhat off the floor while you keeping leg straight, then exchange sides. In case you’re searching for to a greater degree of a challenge, take a stab at lifting both legs up at the same #time, the moment you can do as such without straining your back.