Exercise balls are a key tool for core strength. Physical therapists have used exercise balls for a long time, and now the fitness industry realizes it is one of the best ways to strengthen the abs, the back, and increase stability. Whatever exercise you do on an exercise ball increases the difficulty because of the increase in muscle usage.  Shop for all your fitness equipment needs at Sports Unlimited.

Step up your core strength with an exercise balls. Whether you call it an exercise ball, yoga ball, or fitness ball the result is the same - a toned core and more developed balancing muscles.