Interval exercise induces milder respiratory responses compared to continuous exercise

Pierros Thomakos, Nikolaos Geladas, Vassilis Paschalis , Ifigeneia Giannopoulou, George Varouhakis, Panagiotis Behrakis

Research output: Contribution to journalArticle

Abstract

The purpose of this study was to explore the respiratory response of acute interval and continuous exercise (CE) of low and high intensity. Fourteen recreational athletes (7 men and 7 women; VO 2max = 35.7 ± 6.1 mlkg –1min –1) performed a bout of continuous and a bout of interval exercise (IE) both consisted of 5-min cycling at low intensity [80% of the power output (W) of the predetermined gas exchange threshold (GET) (80%W GET)] and 5-min cycling at high intensity {W GET plus the work rate corresponding to 50% of the difference between peak power output (PPO) at oxygen uptake (VO 2max) test and the W GET [W GET + 0.50 Δ(PPO–W GET)]}. CE compared to IE induced significant higher heart rate and ventilation as well as significant higher levels of mouth occlusion pressure for 0.1 s (P 0.1) (P < 0.05) during low and high intensities. Our results indicate that CE stimulates respiration more than IE when the exercise is performed at the same relative intensity.

Original languageEnglish
Pages (from-to)576-581
Number of pages6
JournalJournal of Sports Sciences
Volume38
Issue number5
DOIs
Publication statusPublished - 29 Jan 2020

Bibliographical note

This is an Accepted Manuscript of an article published by Taylor & Francis in Journal of Sports Sciences on 29/01/2020, available online: http://www.tandfonline.com/10.1080/02640414.2020.1719801

Keywords

  • Intermittent exercise
  • ventilation
  • mouth occlusion pressure

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