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Area of Science:

  • Sports Science
  • Exercise Physiology
  • Cycling Performance Analysis

Background:

  • Assessing endurance profiles is crucial for evaluating cyclist performance potential.
  • Maximal oxygen uptake and functional threshold power are key physiological parameters for determining metabolic training zones.
  • Understanding age-specific physiological differences can inform training strategies and talent identification.

Purpose of the Study:

  • To evaluate and compare the physiological profiles of Youth, Junior, and Under-23 road cyclists.
  • To identify performance requirements across different competitive age categories.
  • To analyze metabolic training zones based on key functional parameters.

Main Methods:

  • Sixty-one competitive road cyclists (15-22 years) underwent maximal incremental cycling tests.
  • Determination of functional parameters including maximal fat oxidation zone, ventilatory thresholds, maximal oxygen uptake, and functional threshold power.
  • Analysis of metabolic training zones based on the determined physiological parameters.

Main Results:

  • Significant differences were observed in metabolic zones across age categories, with the Youth group showing distinct changes, except in fat oxidation.
  • The Under-23 group exhibited higher maximal relative power output (6.70 W·Kg⁻¹) compared to the Junior group (6.17 W·Kg⁻¹).
  • Relative functional threshold power was also higher in the Under-23 group (4.91 W·Kg⁻¹) versus the Junior group (4.48 W·Kg⁻¹).

Conclusions:

  • The physiological profile of the Youth cyclist group is markedly different from Junior and Under-23 categories.
  • Parameters like maximal oxygen consumption, load, and functional threshold power, when normalized to body weight, may predict future sporting success.
  • These findings highlight the importance of age-specific physiological assessments for optimizing training and career development in competitive cycling.