The Medicine Ball, also known as the exercise ball, is used to build body strength, enhance speed, and improve movement accuracy. The Medicine Ball can really enhance your workout routine. One of our favourite ways to use the Medicine Ball is for Superman Reps. To begin, lie facedown with your arms and legs outstretched, while holding the Medicine Ball in your hands. Keep your arms and legs straight (not locked), as you hold up your weight, and the weight of the Medicine Ball. Hold this position