Research

Energy balance

Intervals at 100% PP and 80% PP do not produce statistically significant enhancements in performance.

Avoid relying on 100% and 80% PP intervals for performance gains in cycling time-trials.

StrongRefutesmedium confidence
Intervals performed at 100% PP and 80% PP did not produce statistically significant enhancements of performance.
Nigel K. Stepto et al. · Medicine & Science in Sports & Exercise · 1999

Why this rating

Based on the study design involving controlled training effects and statistical validation.

Source

Effects of different interval-training programs on cycling time-trial performance

Nigel K. Stepto et al. · Medicine & Science in Sports & Exercise · 1999

DOI 10.1097/00005768-199905000-00018

other · n=20Cited 210×
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DOI resolved against Crossref · corpus check 2026-06-10

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