Physiological responses to a 6-d taper in middle-distance runners: influence of training intensity and volume

Article Abstract:

Results indicate that six-day tapering training leads to a 75% reduction in training volume in middle-distance runners. Data further show that taper training induces hematological changes in low intensity continuous training and high intensity interval training runners.

Physical fitness, Runners (Sports), Hematology

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Creatine supplementation and sprint performance in soccer players

Article Abstract:

Results demonstrate that repeated sprint performance is influenced by acute creatine supplementation but not intermittent endurance performance. Data also suggest that creatine limit the decay in jumping ability following intermittent endurance test in trained soccer players.

Analysis, Energy metabolism, Creatine, Sprinting, Soccer

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Exercise intensity during competition time trials in professional road cycling

Article Abstract:

Competition time trials (TTs) in professional road cycling and the exercise intensity of the trials have been studied. It was found that exercise intensity was not reflected accurately by the average race speed in competitive road cycling TTs. The percentage of maximal heart rate (HR)(sub.max), training impulse (TRIMP) and time distribution around HR(sub.onset of blood lactate accumulation(OBLA) ) and HR(sub.lactate threshold (LT)) reflected the physiological demands of different TT categories. HR(sub.OBLA) and HR (sub. LT) were accurate intensity markers in events lasting, respectively 30 (prologue TTs and short TTs) or fewer minutes and 30 or more minutes (long TTs, uphill TTs, team TTs).

Exercise, Exercise physiology, Lactic acid, Heart beat, Heart rate, Endurance sports, Bicycle racing

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