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Why use the Keystone Conditioning Method?
Keystone Conditioning with D-Ball’s unique medicine balls produces a very challenging workout to target specific body components, such as the upper body, core and / or lower body to build strength and power for improved athletic performance.
Keystone Conditioning is simple, quick and very intense
The intensity of Keystone Conditioning helps defeat adaptation
What is Special about Keystone Sets?
Keystone 3 ball sets contain 3 balls of equal size but each with progressively heavier or lighter weight.
Super Sets focus on a body part in order to fatigue it
Super Combo Sets work the total body as a unit
You can integrate single / multiple body part Super Sets into Super Combo Sets
Using a Power Key Set after a Super Set or Super Combo Set explosively uses the same motion to build more strength and power.
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