The Bowflex exercise system is based on the simple bow and arrow principle. Its patented Power Rod technology flexes and extends to provide force or resistance. Here is a scientifically proven regimen for achieving a firm, lean, body in only 6 weeks. Included are three, complete programmes for out of shape athletes, women who need to target their hips and thighs, and individuals who want to focus on their abdominals. In only 6 weeks, a man can expect to lose up to 35 pounds of fat and 5 inches off his waist. A serious woman can expect to lose up to 19 pounds of fat and 4 inches off her thighs.