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Does the Shake Weight Work?
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The product claims different results for men and women; for men, it claims to increase muscle mass, while women get "lean muscle." But with a mere 6-minute program, these results would be a major stretch, regardless of your sex. And the 5-pound weight for women - 10 for men - isn't enough to increase muscle mass. The product's up-and-down motion may be a hazard as well. The shaking motion is unnatural and can lead to muscle spasms and injury, according to WebMD. And all of those "scientific studies" cited in the ads? Unfortunately, there are no peer-reviewed studies on the product. So the bottom line on the shake weight is not to give it a shake - you'll get better results by doing a full-body cardiovascular workout paired with resistance training.
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