Shake Weight

Shake Weight is one of the most popular As Seeon on TV exericse products of all time. Shake Weight is designed to reduce fat and town your upper body as quickly as possible.

The Shake Weight is a 2.5 pound dumbell that is weighted on both sides. These weights are controlled by springs giving the user of Shake Weight a unique resistance targetted to work the upper arms - specifically the biceps and triceps.

The design of the Shake Weight, according to television infomercials, comes from a new workout technology. This new technology, Dynamic Inertia, is said to be able to increase you muscle activity by up to 300% in comparison to traditional free weights.