This Body Sculpture Medicine Ball with handle is great for core strength and stability. The two handles allow for an easy hold and the range of sizes helps to build up your strength. As well as being perfect for strengthening your lower limbs (hamstrings, adductors and gluteal muscles), the medicine ball is just as good for your abdominals. There are a multitude of exercises and movements that you can do to build stomach muscle using a medicine ball Toning balls are a unique tool used to enhance many different exercise methods, including yoga, Pilates and calisthenics. Made from soft vinyl, toning balls can be used instead of handheld dumbbells to add more resistance to any exercise, thereby helping to improve balance, coordination and flexibility.