DUMBBELL LUNGES - The exercise involves the glutes and the quads for the forward leg and the hamstring for the backward one. It is usually performed for developing the mass or for the definition of the muscle.
5 Best Abs and Core Exercises With a Stability Ball for Men Strengthen your core, sculpt your abs with this stability workout. Exercising on the ball has shown to activate more muscles than when done on a stable surface. Give this workout a try.