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Interchangeability between the Data Obtained by Two Powermeters during Road Cycling Competitions: A Case Study

Author

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  • Javier Iglesias-Pino

    (Faculty of Physical Activity and Sports Sciences, AMRED, Human Movement and Sports Performance Analysis, Universidad de León, 24071 León, Spain)

  • Alba Herrero-Molleda

    (Faculty of Physical Activity and Sports Sciences, AMRED, Human Movement and Sports Performance Analysis, Universidad de León, 24071 León, Spain)

  • Jaime Fernández-Fernández

    (Faculty of Physical Activity and Sports Sciences, AMRED, Human Movement and Sports Performance Analysis, Universidad de León, 24071 León, Spain)

  • Juan García-López

    (Faculty of Physical Activity and Sports Sciences, AMRED, Human Movement and Sports Performance Analysis, Universidad de León, 24071 León, Spain)

Abstract

Various power meters are used to assess road-cycling performance in training and competition, but no previous study has analyzed their interchangeability in these conditions. Therefore, the purpose was to compare the data obtained from two different power meters (PowerTap vs. Power2Max) during cycling road races. A national-level under-23 male competitive cyclist completed six road-cycling official competitions (five road races and one individual time trial), in which power output was simultaneously registered with the two power meters. After this, the main power output variables were analyzed with the same software. The average and critical power obtained from the PowerTap power meter were slightly lower than from the Power2Max power meter (3.56 ± 0.68 and 3.62 ± 0.74 W·kg −1 , 5.06 and 5.11 W·kg −1 , respectively), and the correlations between both devices were very high (r ≥ 0.996 and p < 0.001). In contrast, the PowerTap power meter registered a significantly higher ( p < 0.05) percentage of time at <0.75 and >7.50 W·kg −1 and power profile at 1, 5 and 10 s. In conclusion, the data obtained in competitions by the two power meters were interchangeable. Nevertheless, the Power2Max power meter underestimated the pedaling power during short and high-intensity intervals (≤10.0 s and >7.50 W·kg −1 ) compared to the PowerTap power meter. Therefore, the analysis of these efforts should be treated with caution.

Suggested Citation

  • Javier Iglesias-Pino & Alba Herrero-Molleda & Jaime Fernández-Fernández & Juan García-López, 2022. "Interchangeability between the Data Obtained by Two Powermeters during Road Cycling Competitions: A Case Study," IJERPH, MDPI, vol. 19(24), pages 1-6, December.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:24:p:16446-:d:996925
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    References listed on IDEAS

    as
    1. Beat Knechtle & Thomas Rosemann & Pantelis Theodoros Nikolaidis, 2019. "Self-Selected Pacing during a 24 h Track Cycling World Record," IJERPH, MDPI, vol. 16(16), pages 1-10, August.
    2. Yu-Hsuan Kuo & Ching-Feng Cheng & Yu-Chi Kuo, 2021. "Determining Validity of Critical Power Estimated Using a Three-Minute All-Out Test in Hot Environments," IJERPH, MDPI, vol. 18(17), pages 1-9, August.
    3. Natalia Danek & Marcin Smolarek & Kamil Michalik & Marek Zatoń, 2020. "Comparison of Acute Responses to Two Different Cycling Sprint Interval Exercise Protocols with Different Recovery Durations," IJERPH, MDPI, vol. 17(3), pages 1-12, February.
    4. Susana Moral-González & Javier González-Sánchez & Pedro L. Valenzuela & Sonia García-Merino & Carlos Barbado & Alejandro Lucia & Carl Foster & David Barranco-Gil, 2020. "Time to Exhaustion at the Respiratory Compensation Point in Recreational Cyclists," IJERPH, MDPI, vol. 17(17), pages 1-9, August.
    5. José Ramón Alvero-Cruz & Jerónimo C. García Romero & Francisco Javier Ordonez & Denis Mongin & Lorena Correas-Gómez & Pantelis T. Nikolaidis & Beat Knechtle, 2021. "Age and Training-Related Changes on Body Composition and Fitness in Male Amateur Cyclists," IJERPH, MDPI, vol. 19(1), pages 1-12, December.
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