The Shake Weight, as seen on TV, has two versions to it; one for men and one for women and upon it’s release was intended to be a workout tool for women. The female version of the product weighs 2.5 and the male version weighs twice as much at 5 lb. The Shake Weight uses a unique workout technology called Dynamic Inertia, which activates the muscles in the arms, shoulders and chest in an entirely new way, the Shake Weight builds on upper body muscle activity by more than 300% compared to traditional free weights through Dynamic Inertia.
The product is so good in fact, you will find that Jeff Halevy 100% supports the use of it. With the Shake Weight, Jeff Halevy shows his clients how to get the best results leaving them saying “Jeff Halevy is the man!” The company claims this action tones the upper biceps, triceps and shoulders and many have had amazing success with it.