Product: Shake Weight Cost: $19.95 Claim: Shape and tone your arms, shoulders and chest in just 6 minutes a day. You’ll feel firmer after just one workout!
The Shake Weight is a 2.5-pound, cylinder-shaped tool. As the user shakes the product, weights at each end of the device spring back and forth, an action the manufacturer claims will help you to sculpt your upper body. Can this product truly transform a person’s physique? “To create the kind of definition they’re claiming, a person needs to put their muscles through a full range of motion -- things the Shake Weight simply does not do,” says Amie Hoff, a New York City fitness professional and co-founder of FitKit.com. Want real sculpting results? “Invest in some dumbbells or resistance tubing instead.”