Medicine balls (med balls) are heavy balls that are roughly the size of a basketball. They are a very popular tool for both rehabilitation and strength training. You will find medicine balls at almost every gym around the world. Many athletes use med balls for plyometric training in order to increase their explosive strength. They are also a very common tool for for a variety of abdominal exercises.
Gym and Fitness has two different styles of med balls. One contains handles on the side of the balls and the other type is a plain sphere. The both have their own pro's and con's so many people enjoy a mixture of both.