The Effects of Recovery Intensity on Repeated Sprint Ability
Cardiff Metropolitan University
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Tests of repeated sprint ability (RSA) represent a more specific method of assessing the physiological demands associated with a variety of intermittent, repeated sprint sports. However previous studies have neglected to investigate the effects of different recovery intensity periods separating bouts of repeated maximal sprinting. Therefore the purpose ofthe present study was to investigate the effects of a static (0 mph), walking (3.5 mph) and jogging recovery intensity (7mph) on RSA performance. 8 male collegiate level football players took part in the current study. Each subject performed 3, standardized 6 x 6-second repeated sprint tests separated by a 25-second recovery period on a non-motorized sprint treadmill. The recovery periods during each test were inclusive of either, static, walking or jogging recovery intensity rates, while RSA was determined using measurements of mean peak sprint speed, mean peak power ouþut, average sprint speed and a calculated decrement in sprint performance. Physiological performance variables included oxygen consumption and average heart rate scores and were recorded to determine any physiological variations observed between testing conditions. The results indicated different recovery intensity periods did significantly effect both RSA performance and the physiological responses recorded under the 3 testing conditions. Mean peak sprint speeds were significantly lower (p<0.01), while performance decrement scores, total VO2 pnd average heart rate scores were significantly higher (p<0.01) during jogging recovery tests, compared to static recovery tests. However although, not significantly different it was also found mean peak sprint speeds were higher and performance decrement scores lower during walking recovery tests compared to static recovery tests. It was therefore concluded while jogging recovery tests were physiological more demanding and thus detrimental to sprint performance, a walking recovery may provide better physiological recovery conditions in which repeated sprint performance can be improved.
BSc (Hons) Sport, P.E. and Recreation
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