The Medicine Ball is a great tool for a complete body workout, especially when combined with a Swissball. It can be used to strengthen shoulders, back, arms & legs as well as improving core trunk strength & joint integrity. It also makes an exceptional abdominal exercise tool to create powerful & rock hard abs. Unlike weight machines that are bolted to the floor & give a limited unnatural movement, medicine ball workouts provide weight-resistance through a full range of motion. The medicine ball is a unique tool to learn & train sports specific & explosive motion exercises, & is used by many professional athletes, boxers, golf & tennis players. Made from rubber these balls bounce are waterproof & are easy to grip. 2kg Black Body/ Light Green Stripe 19.5cm diameter