Flex Belt Vs. Slendertone: Which Ab Belt Reigns Supreme?
Abdominal toning belts like the Flex Belt and Slendertone use electric muscle stimulation (EMS) technology to contract your ab muscles, similar to doing crunches and sit-ups. They claim to help strengthen, firm and tone your midsection without the sweat and strain of regular ab workouts. But with so many options on the market, how do