Comparison of training responses and performance adaptations in endurance-trained men and women performing high-intensity interval training

Samantha Hoffmann; Tina L Skinner; Simon P van Rosendal; Lynne M Emmerton; David G Jenkins

doi:10.1080/02640414.2020.1853960

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Comparison of training responses and performance adaptations in endurance-trained men and women performing high-intensity interval training

Journal article

Peer reviewed

Comparison of training responses and performance adaptations in endurance-trained men and women performing high-intensity interval training

Samantha Hoffmann, Tina L Skinner, Simon P van Rosendal, Lynne M Emmerton and David G Jenkins

Journal of Sports Sciences, Vol.39(9), pp.1010-1020

2021

DOI: https://doi.org/10.1080/02640414.2020.1853960

PMID: 33320059

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Abstract

lactic acid

sex-specific adaptations

Athletic performance

modified D-max

anaerobic threshold

The efficacy of high-intensity interval training (HIIT) to elicit physiological and performance adaptations in endurance athletes has been established in men and to a lesser extent in women. This study compared lactate threshold (LT2) and performance adaptations to HIIT between men and women. Nine male and eight female cyclists and triathletes completed trials to determine their LT2 and 40 km cycling performance before, and after 10 HIIT sessions. Each HIIT session consisted of 10 × 90 s at peak power output, separated by 60 s active recovery. Main effects showed that HIIT improved peak power output (p = 0.05; ES: 0.2); relative peak power output (W.kg−1; p = 0.04; ES: 0.3 and W.kg−0.32; p = 0.04; ES: 0.3); incremental time to fatigue (p = 0.01; ES: 0.4), time trial time (p < 0.001; ES: 0.7) and time trial power output (p < 0.001; ES: 0.7) equally in both sexes. Although LT2 power output explained 77% of the performance improvement in women, no variable explained the performance improvement in men, suggesting another mechanism(s) was involved. Although HIIT improved cycling performance in men and women, it might not be appropriate to evaluate the effectiveness of HIIT using the same variables for both sexes.

Details

Title: Comparison of training responses and performance adaptations in endurance-trained men and women performing high-intensity interval training
Authors: Samantha Hoffmann (Author) - University of Queensland
Tina L Skinner (Author) - University of Queensland
Simon P van Rosendal (Author) - University of Queensland
Lynne M Emmerton (Author) - Curtin University
David G Jenkins (Author) - University of the Sunshine Coast, Queensland, School of Health and Sport Sciences - Legacy
Publication details: Journal of Sports Sciences, Vol.39(9), pp.1010-1020
Publisher: Routledge
DOI: 10.1080/02640414.2020.1853960
ISSN: 1466-447X
PMID: 33320059
Organisation Unit: School of Health and Behavioural Sciences - Legacy; University of the Sunshine Coast, Queensland; School of Health and Sport Sciences - Legacy
Language: English
Record Identifier: 99498408402621
Output Type: Journal article

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Web Of Science research areas: Sport Sciences

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