Trim and tighten abdominal, lower back and leg muscles. Inflates up to 24" in diameter. Pump and fitness guide are included.

So, what makes this piece of fitness equipment so uniquely effective? It works multiple muscles at one time while forcing your body to balance itself. This creates a very effective and challenging workout. For example, lying on a bench to perform tricep extensions is a good exercise but it’s limited to working primarily just the triceps. However, perform that same move on a stability ball and you have created an unstable environment. Additional muscles are activated that work to keep you balanced on the ball. That means you are now working harder and essentially getting more bang for your buck while not increasing your exercise time.

To watch Sylvester Stallone demonstrate the proper useage of the inflatable exercise ball, click here.

Video clip courtesy of Sly's nutritional company, Instone.

$24.99