Based on the tested dynamics of isotonic and isometric excercise. To obtain firm, toned muscles the muscles must be contracted (Isotonic) and lengthened (Isometric). Speedshaper uses both principles in a system called Synometrics to promote muscle toning. Speedshaper is the perfect exercise regime that will fit in to your busy lifestyle. The Ingeniously designed speedshaper is amazingly compact. You can take it everywhere because it simply folds and slips into a purse, handbag or briefcase. Used for just 7mins each day the Speedshaper will start to tone, trim and firm up your muscles. Men and women of all fitness levels will benefit from the Speedshaper�s regime, beginners, intermediate and advanced. Stomach, Waist, Hips, Bust, Bottom, Thighs. Flabby Underarms all these areas will benefit from the firming and muscle toning qualities of the Speedshaper.