Free weights mimic our movements in life, as basic as a dumbbell bicep curl is similar to lifting grocery bags! By stabilizing your every movement on your own without the help of a machine, your core, larger and smaller muscles work together to control your movement to improve your balance 50% greater. The more muscles you use, the faster the calories burn rate skyrockets! Get maximum results in a minimum amount of time as you sculpt your muscles and blast the fat!