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Energy Systems and Training

If someone wants to be the best all around athlete, and be the fittest possible, it is important to train the various energy systems the body uses. The body uses a combination of three different systems to work short durations but with lots of power, to long durations with low levels of power. Below is a chart that outlines these methods the body uses.

It is the goal of Tireless CrossFit that student athletes get to work regularly in the various ranges to give them the opportunity to be the fittest possible.