One mile run performance as a function of prior exercise

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Endurance athletes usually perform some type of prior exercise (PE) with the idea that it may enhance performance in a subsequent cardiorespiratory (CR) task. While several recent studies have examined the influence of PE on performance of a variety of CE endurance tasks on a treadmill and/or bicycle ergometer, relatively few studies have examined the effect of PE on performance of a one mile run. Twelve male subjects aged 20-30 years performed three PE conditions before a one mile run. Two PE conditions were performed on a treadmill at workloads designed to raise heart (HR) to approximately 120 and 140 bpm, respectively. Once these PE heart rates were reached they were maintained for two minutes. There was a 30 second rest between these PE and the one mile run. The third PE condition consisted of two minutes of rest before the one mile run. A significant F ratio was obtained for PE. Duncan's range test was applied to the treatment means and it was found that one mile run performance following PE 140 was significantly better than no PE and PE 120. There was no significant difference between no PE and PE 120. It seems that the beneficial effect of PE 140 can best be explained by the mobilization hypothesis.

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Journal of Sports Medicine and Physical Fitness

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