Loading...
Oxygen uptake in repeated cycling sprints against different loads is comparable between men and preadolescent boys
Theos, Apostolos Bogdanis, Gregory C. Jansson, Daniel Papaspyrou, Aggeliki Maridaki, Maria
Theos, Apostolos
Bogdanis, Gregory C.
Jansson, Daniel
Papaspyrou, Aggeliki
Maridaki, Maria
Citations
Altmetric:
Editors
Other contributors
Affiliation
Epub Date
Issue Date
2022-03-11
Submitted date
Files
Alternative
Abstract
Children recover faster than adults in repeated sprints, but it is unclear if their aerobic responses differ. Purpose: This study tested the hypothesis that aerobic response (VO2) during repeated sprints is greater in preadolescent boys than in men. Further, this study compared normalization with conventional ratio-scaling and scaling with the use of body mass (BM) as a covariate. Methods: Nine boys (age: 11.8±0.6years, swimmers) and 11 men (age: 21.7±0.6years, recreational athletes) performed 10 maximal 6-s cycling sprints separated by 24-s of passive recovery, against two loads (optimum and 50% of optimum). Oxygen uptake (VO2) was measured continuously. Results: Men’s mean power output (MPO) was greater than boys in each sprint, both in absolute (unscaled) values (p<0.05) and when adjusted for lean leg volume (p<0.05). Children had lower absolute VO2 (p<0.05) than men, but when it was adjusted for BM or power-output, VO2 was comparable between men and boys. Thus, most of the difference in VO2 between men and boys was due to body size and power-output differences. Conclusion: Our results suggest that men and boys have similar VO2 during repeated sprints when appropriately adjusted to body mass or power output. Results highlight the importance of using appropriate scaling methods to compare adults’ and children’s aerobic responses to high-intensity exercise.
Citation
Theos A, Bogdanis GC, Jansson D, Nevill AM, Papaspyrou A and Maridaki M (2022) Oxygen Uptake in Repeated Cycling Sprints Against Different Loads Is Comparable Between Men and Preadolescent Boys. Front. Physiol. 13:814056. doi: 10.3389/fphys.2022.814056
Publisher
Journal
Research Unit
PubMed ID
PubMed Central ID
Embedded videos
Additional Links
Type
Journal article
Language
en
Description
© 2022 The Authors. Published by Frontiers Media. This is an open access article available under a Creative Commons licence. The published version can be accessed at the following link on the publisher’s website: https://doi.org/10.3389/fphys.2022.814056
Series/Report no.
ISSN
1664-042X
EISSN
1664-042X