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Physiological correlates to off-road cycling performance.

Franco M Impellizzeri1, Ermanno Rampinini, Aldo Sassi

  • 1Human Performance Laboratory, SS MAPEI srl, Via Don Minzoni 34, 21053 Castellanza, Varese, Italy. mapeisport@tin.it

Journal of Sports Sciences
|April 22, 2005
PubMed
Summary

Maximal and submaximal aerobic fitness tests strongly correlate with off-road cycling race performance. Physiological markers, especially when scaled to body mass, are key predictors for race time and ranking in cyclists.

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Area of Science:

  • Sports Science
  • Exercise Physiology
  • Cycling Performance Analysis

Background:

  • Assessing aerobic fitness is crucial for optimizing performance in competitive cycling.
  • Maximal and submaximal exercise tests are commonly used to evaluate physiological capacity.

Purpose of the Study:

  • To investigate the relationship between maximal and submaximal aerobic fitness measures and off-road cross-country cycling race performance.
  • To determine the predictive value of physiological parameters for race outcomes in male cyclists.

Main Methods:

  • Thirteen male off-road cyclists underwent incremental cycling tests to measure peak oxygen uptake (VO2peak), peak power output, and lactate thresholds.
  • Race time and final ranking were recorded during a cross-country circuit race.
  • Correlations between physiological parameters and performance metrics were analyzed, considering body mass scaling.

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Main Results:

  • Significant correlations were found between all measured aerobic fitness parameters and off-road cycling performance (race time and ranking).
  • Physiological parameters scaled to body mass showed particularly strong negative correlations with race time (r = -0.68 to -0.94) and ranking (r = -0.81 to -0.96).
  • Cyclists with faster race times exhibited significantly higher aerobic fitness levels compared to slower cyclists.

Conclusions:

  • Maximal (VO2peak, peak power output) and submaximal (lactate thresholds) aerobic fitness parameters are valid indicators for assessing off-road cyclists.
  • Body mass should be considered when evaluating the aerobic fitness of off-road cyclists for performance prediction.
  • These findings support the use of established physiological assessments in off-road cycling.