Quality rubberized medicine balls. Most medicine ball workouts involve lifting, throwing, catching the ball and crunches. Medicine Balls are more widely used today than ever before. Sport teams, Olympic athletes and rehabilitation centers are discovering the many benefits of exercises using the medicine balls. By using a medicine ball to create the necessary resistance for these exercises, you can experience the entire range of motion which resembles that of your sport. These sport-specific exercises are not only more efficient in developing the power you desire, but more interesting, more challenging, and more motivating.