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A Contemporary Variable-Power Cycling Protocol to Discriminate Race-Specific Performance Ability.

Avish P Sharma, David J Bentley, Gaizka Mejuto

    International Journal of Sports Physiology and Performance
    |April 22, 2020
    PubMed
    Summary

    The 1-hour variable cycling test (VCT) effectively distinguishes between elite and club-level cyclists by measuring performance during high-intensity efforts. This new test offers a better way to assess cycling performance under race conditions.

    Keywords:
    elite athleteendurancepower outputstochastic power

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    Area of Science:

    • Sports Science
    • Exercise Physiology
    • Cycling Performance Analysis

    Background:

    • Traditional physiological tests limit the assessment of cycling performance in variable-intensity races.
    • There is a need for valid testing protocols that mimic real-world race demands.

    Purpose of the Study:

    • To evaluate the validity of a 1-hour variable cycling test (VCT) in differentiating cyclists of varying performance levels.
    • To assess the VCT's ability to capture parameters relevant to race performance.

    Main Methods:

    • Ten national-level and 13 club-level male cyclists participated.
    • Participants completed a VO2max test and two 1-hour VCT protocols.
    • The VCT included prescribed and open-ended high-intensity intervals and sprints.

    Main Results:

    • National-level cyclists demonstrated significantly higher power outputs during 6-s and 10-s high-intensity phases compared to club-level cyclists.
    • Power output during the final 10-s "all-out" sprint was also greater in national-level cyclists.
    • Effect sizes indicated moderate to large differences in performance between the groups.

    Conclusions:

    • The 1-hour VCT is a valid tool for differentiating repeat high-intensity effort performance.
    • The VCT successfully distinguishes between higher-caliber and lower-performing cyclists.
    • This protocol provides a more accurate assessment of cycling performance under race-like conditions.