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Acute Effects of Using Added Respiratory Dead Space Volume in a Cycling Sprint Interval Exercise Protocol: A Cross-Over Study

Author

Listed:
  • Natalia Danek

    (Department of Physiology and Biochemistry, Faculty of Physical Education and Sport, University School of Physical Education in Wroclaw, 51-612 Wroclaw, Poland)

  • Kamil Michalik

    (Department of Human Motor Skills, Faculty of Physical Education and Sport, University School of Physical Education in Wroclaw, 51-612 Wroclaw, Poland)

  • Marcin Smolarek

    (Department of Physiology and Biochemistry, Faculty of Physical Education and Sport, University School of Physical Education in Wroclaw, 51-612 Wroclaw, Poland)

  • Marek Zatoń

    (Department of Physiology and Biochemistry, Faculty of Physical Education and Sport, University School of Physical Education in Wroclaw, 51-612 Wroclaw, Poland)

Abstract

Background: The aim of the study was to compare acute physiological, biochemical, and perceptual responses during sprint interval exercise (SIE) with breathing through a device increasing added respiratory dead space volume (ARDS V ) and without the device. Methods: The study involved 11 healthy, physically active men (mean maximal oxygen uptake: 52.6 ± 8.2 mL∙kg 1 ∙min −1 ). During four visits to a laboratory with a minimum interval of 72 h, they participated in (1) an incremental test on a cycle ergometer; (2) a familiarization session; (3) and (4) cross-over SIE sessions. SIE consisted of 6 × 10-s all-out bouts with 4-min active recovery. During one of the sessions the participants breathed through a 1200-mL ARDSv (SIE ARDS ). Results: The work performed was significantly higher by 4.4% during SIE ARDS , with no differences in the fatigue index. The mean respiratory ventilation was significantly higher by 13.2%, and the mean oxygen uptake was higher by 31.3% during SIE ARDS . Respiratory muscle strength did not change after the two SIE sessions. In SIE ARDS , the mean pH turned out significantly lower (7.26 vs. 7.29), and the mean HCO 3 – concentration was higher by 7.6%. Average La − and rating of perceived exertion (RPE) did not differ between the sessions. Conclusions: Using ARDS V during SIE provokes respiratory acidosis, causes stronger acute physiological responses, and does not increase RPE.

Suggested Citation

  • Natalia Danek & Kamil Michalik & Marcin Smolarek & Marek Zatoń, 2020. "Acute Effects of Using Added Respiratory Dead Space Volume in a Cycling Sprint Interval Exercise Protocol: A Cross-Over Study," IJERPH, MDPI, vol. 17(24), pages 1-12, December.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:24:p:9485-:d:464211
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    References listed on IDEAS

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    1. Stefan Szczepan & Natalia Danek & Kamil Michalik & Zofia Wróblewska & Krystyna Zatoń, 2020. "Influence of a Six-Week Swimming Training with Added Respiratory Dead Space on Respiratory Muscle Strength and Pulmonary Function in Recreational Swimmers," IJERPH, MDPI, vol. 17(16), pages 1-12, August.
    2. 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.
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    Cited by:

    1. Keely A. Shaw & Scotty Butcher & Jong Bum Ko & Abdi Absher & Julianne Gordon & Cody Tkachuk & Gordon A. Zello & Philip D. Chilibeck, 2021. "Wearing a Surgical Face Mask Has Minimal Effect on Performance and Physiological Measures during High-Intensity Exercise in Youth Ice-Hockey Players: A Randomized Cross-Over Trial," IJERPH, MDPI, vol. 18(20), pages 1-12, October.

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