The Record Power Profile of Male Professional Cyclists: Fatigue Matters

  1. Muriel, Xabier 4
  2. Barranco-Gil, David 1
  3. Zabala, Mikel 7
  4. Valenzuela, Pedro L. 138
  5. Pallares, Jesús G. 4
  6. Gandia-Soriano, Alexis 56
  7. Mateo-March, Manuel 12
  8. Lucia, Alejandro 18
  1. 1 Universidad Europea de Madrid
    info

    Universidad Europea de Madrid

    Madrid, España

    ROR https://ror.org/04dp46240

  2. 2 Universidad Miguel Hernández de Elche
    info

    Universidad Miguel Hernández de Elche

    Elche, España

    ROR https://ror.org/01azzms13

  3. 3 Dept of Sport and Health, Spanish Agency for Health Protection in Sport
  4. 4 Human Performance and Sports Science Laboratory, Faculty of Sport Sciences, University of Murcia
  5. 5 Universitat de València
    info

    Universitat de València

    Valencia, España

    ROR https://ror.org/043nxc105

  6. 6 Burgos BH Professional Cycling Team
  7. 7 Universidad de Granada
    info

    Universidad de Granada

    Granada, España

    ROR https://ror.org/04njjy449

  8. 8 Instituto de Investigación Sanitaria Hospital 12 de Octubre
    info

    Instituto de Investigación Sanitaria Hospital 12 de Octubre

    Madrid, España

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Zeitschrift:
International Journal of Sports Physiology and Performance

ISSN: 1555-0265,  1555-0273

Datum der Publikation: 2022

Seiten: 1-6

Art: Artikel

DOI: 10.1123/IJSPP.2021-0403 GOOGLE SCHOLAR lock_openOpen Access editor

Andere Publikationen in: International Journal of Sports Physiology and Performance

Zusammenfassung

Purpose: The present study aimed to determine the influence of fatigue on the record power profile of professional male cyclists. We also assessed whether fatigue could differently affect cyclists of 2 competition categories. Methods: We analyzed the record power profile in 112 professional cyclists (n = 46 and n = 66 in the ProTeam [PT] and WorldTour [WT] category, respectively; age 29 [6] y, 8 [5] y experience in the professional category) during 2013–2021 (8 [5] seasons/cyclist). We analyzed their mean maximal power (MMP) values for efforts lasting 10 seconds to 120 minutes with no fatigue (after 0 kJ·kg−1) and with increasing levels of fatigue (after 15, 25, 35, and 45 kJ·kg−1). Results: A significant (P < .001) and progressive deterioration of all MMP values was observed from the lowest levels of fatigue assessed (ie, −1.6% to −3.0% decline after 15 kJ·kg−1, and −6.0% to −9.7% after 45 kJ·kg−1). Compared with WT, PT cyclists showed a greater decay of MMP values under fatigue conditions (P < .001), and these differences increased with accumulating levels of fatigue (decay of −1.8 to −2.9% [WT] with reference to 0 kJ·kg−1 vs −1.1% to −4.4% [PT] after 15 kJ·kg−1 and of −4.7% to −8.8% [WT] vs −7.6% to −11.6% [PT] after 45 kJ·kg−1). No consistent differences were found between WT and PT cyclists in MMP values assessed in nonfatigue conditions (after 0 kJ·kg−1), but WT cyclists attained significantly higher MMP values with accumulating levels of fatigue, particularly for long-duration efforts (≥5 min). Conclusions: Our findings highlight the importance of considering fatigue when assessing the record power profile of endurance athletes and support the ability to attenuate fatigue-induced decline in MMP values as a determinant of endurance performance

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