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Exercise Intensity in Track and Level-grade Treadmill Running: A Cross-over Longitudinal Study in Well-trained Athletes

Author

Listed:
  • Aldo F. Longo

    (National Center of High Performance Athletics, Argentina)

  • Enrique O. Prada

    (National Center of High Performance Athletics, Argentina)

  • Marcelo L. Cardey

    (National Center of High Performance Athletics, Argentina)

  • Gustavo D. Aquilino

    (National Center of High Performance Athletics, Argentina)

Abstract

Heart rate is a conventional indicator of exercise intensity. Diverse studies have reported results of the comparison between the heart rate responses attained during running overground and on a treadmill; non-unanimous conclusions have emerged. The intention of this study was to compare the exercise intensity through heart rate between progressive running tests performed on track and level-grade treadmills. The heart rate responses of twelve highly trained male athletes were analyzed (Age = 24.3±2.7 years). The running protocol had initial and final speeds of 11 km·h−1 and 18 km·h−1, and increments of 0.5 km·h−1 every 200 m. Two tests were performed: on an outdoor 400 m track, and a level-grade motorized treadmill under laboratory conditions. An innovative data analysis approach was proposed, by using a linear mixed-effects model, with the Test and Speed stage and their interaction as fixed factors, and the Subject as a random factor; a suitable correlation structure was also specified. The statistical significance level was set at p

Suggested Citation

  • Aldo F. Longo & Enrique O. Prada & Marcelo L. Cardey & Gustavo D. Aquilino, 2022. "Exercise Intensity in Track and Level-grade Treadmill Running: A Cross-over Longitudinal Study in Well-trained Athletes," European Journal of Sport Sciences, European Open Science, vol. 1(6), pages 6-12, October.
    • Handle: RePEc:epw:sport0:v:1:y:2022:i:6:id:9037
    DOI: 10.24018/ejsport.2022.1.6.37
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