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Jack why? Just tell me why?

By March 30, 2016February 11th, 2024No Comments

In 1938 a cadet from west point invented the Jumping Jack. Then someone (Who I met) changed the foot stance. WHY? Do you see my point? We change exercises based on the way it feels, not on the way it has relations with the muscle and joints. If you want to burn the calories, and keep it safe and true to the body…try this instead. Sorry Jack!