Running

Paper Summary:

This paper examines the beneficial aspects of running on the cardiovascular and nervous systems. It does so by first looking at the different types of running and then by explaining the biomechanics of running.

From the Paper:

"From a sports professional point of view running is of three different types namely sprinting, middle distance and long distance or (marathon). Sprinting events are those races that are up to 400m. During the sprinting activity the muscles' metabolic pathways supply the required energy at a rate which is several times higher than the regular aerobic systems. This is verified by the decrease in PCr (phosphocreatine) by 67%, muscle glycogen by around 32% and ATP by 28%. Furthermore anaerobic glycolysis increases muscle lactate level by 20 fold. For sprinting, the thrust during the propelling period is very important and sports scientists have reported that the maximum force that a muscle can generate is directly proportional to its cross sectional area. This implies that good Sprinters usually are more muscular compared to marathon racers. For middle distance and marathon running the oxidative systems are the chief energy suppliers and there is a predominance of slow twitch muscle fibres."

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