It also has 2.5 lbs. of multi-dimensional load (ballast) which keeps it from wandering during your workout. The BOSU® Ballast® Ball provides a fun, visual effect and audible feedback during lifting, shifting and shaking exercises. With the BOSU® Ballast® Ball, individuals can perform exercise progressions and dynamic drills that are not possible on a regular exercise ball. Use it like an exercise ball, slam ball, or multidimensional load.
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