ATP-PC system Adenosine triphosphate.- phosphocreatine
phosphocreatine is broken down into phosphate and creatine molecules. as with any bonds that are broken energy is released. The phosphate molecule bonds to ADP (adenosine diphosphate) which produced an ATP molecule. This ATP molecule is used within cells to make energy.
It truly depends on what you are training for. For distance training, it is not that important. If you plan on being a sprinter, the 100m sprint may be a big part of your workout routine.
The length of a sprint is usually 100m
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Sally pearson does the 100m hurdles and the 100m sprint
9:58 by jamaicas Usain Bolt,10:49 in womens 100m sprint
long sprint short sprint 100m hurdles and so on
Athletics: 100m Sprint 200m Sprint Etc.
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by speed training. most common way is to sprint for 100m jog for next 100m sprint another 100m jog 100m. do this continously for 30mins. do it at least 3 times a week. your speed will improve. maybe not significantly but it will improve.