Shake Weight
The Shake Weight is a modified dumbbell that oscillates, purportedly increasing the effects of exercise. As a result of the perceived sexually suggestive nature of the product, infomercial clips of the exercise device have gone viral.
A 2011 study in Consumer Reports states that for the chest, shoulder and triceps, the Shake Weight's exercises are inferior to conventional exercises that target the individual muscles. For the biceps, the results were similar. Additionally, the report found that the Shake Weight routines burned fewer calories than walking at.
Specifications
The Shake Weight has a female and male version, though it was initially released as a product "designed specifically for women".The female version weighs. The male version weighs twice as much at.