Familiarisation to and reproducibility of cycling at 110% peak power output

Matthew F. Higgins, Rob S. James, Mike J. Price

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    Aim. This study investigated the familiarisation to and test re-test reproducibility of constant load cycling at 110% peak power output (W PEAK). Methods. Eleven healthy, but not cycle trained, males performed a graded incremental exercise test to ascertain WPEAK followed by three trials (T1, T2 and T3) at 110% WPEAK to exhaustion. Trials were separated by ̃7 days. Results. Although there was no difference in time to exhaustion (TLIM) between T1 and T2 (P=0.100) and T2 and T3 (P=0.095) respectively, a difference was observed between Tl and T3 (P=0.046). Correlation coefficients, coefficients of determination, limits of agreement (LoA) and within-subject coefficient of variation (CV) improved across trials demonstrating T2 and T3 had the strongest relationship (Tl vs. T3: r=0.73; r2=0.53; Bias=40 s; CV=14%; Tl vs. T2: r=0.66; r 2=0.43; Bias=24 s; CV=10%; T2 vs. T3: r=0.97; r2=0.95; Bias=16 s; CV=7%). There was no difference across trials for HR (P=0.12), BLa (P=0.76), RER (P=0.52), VE, (P=0.32), VO2 (P=0.33), local RPE (RPEL; P=1) and overall RPE (RPE0; P=0.91) at exhaustion or BLa (P=0.76) and pH (P=0.47) 5-minutes post-exercise. Conclusion. Constant load cycling at 110% WPEAKis a reliable protocol when assessing supramaximal exercise performance after completion of two familiarisation trials.
    Original languageEnglish
    Pages (from-to)139-146
    JournalJournal of Sports Medicine and Physical Fitness
    Issue number2
    Publication statusPublished - Apr 2014

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    • Cycling
    • Exercise test
    • Psychomotor performance


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