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EFFECTS OF ALTITUDE ON ANAEROBIC POWER AND RECOVERY VARIABLES USING AN ATHLETIC COLLEGE POPULATION

Abstract

BACKGROUND: Altitude is known to have both negative acute and positive chronic adaptations on endurance athletes. Regarding anaerobic performance, there appear to be very few research studies that have evaluated the impact of altitude on single-bout, explosive, anaerobic activity. Therefore, the purpose of this study is to analyze the impact that altitude may have on power output, RPE, fatigue index, and recovery in an athletic collegiate population who are engaging in several high-intensity interval training (HIIT) sessions. METHODS: Twenty-five to 40 highly fit, college-aged subjects will be recruited for this study. Subjects will have their body fat percentage analyzed using an Inbody 770 Body Composition Analyzer and then they will complete a warmup protocol of 5 minutes of leg ergometry at an established workload of 60% of their maximal HR. Following this, in a counterbalanced order, each subject will undergo 5 trials of 15 seconds of intense leg ergometry, followed by 45 seconds of recovery, either at sea level or at a simulated altitude of 6000 feet. Ratings of perceived exertion (RPE) will be recorded after each interval, and twenty minutes post-session (ie. session RPE). Subjects will return 24-48 hours later and repeat the prior session’s warmup and interval protocols. The perceived recovery status scale (PRS) will be implemented before every trial. Repeated measures ANOVA will be used to analyze maximal power output, fatigue index, and perceived exertion with an alpha level of 0.05 being utilized. ANTICIPATED RESULTS: We tend to believe there will be a significant difference in max power output, fatigue index, as well as perceived exertion between sea level and altitude. Due to the acute nature of this test, we do not expect there to be a significant difference in perceived recovery between the two groups.

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