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The influence of training and maturity status on girls’ responses to short-term, high-intensity upper- and lower-body exercise

Melitta McNarry Orcid Logo, Joanne R. Welsman, Andrew M. Jones

Applied Physiology, Nutrition, and Metabolism, Volume: 36, Issue: 3, Pages: 344 - 352

Swansea University Author: Melitta McNarry Orcid Logo

DOI (Published version): 10.1139/h11-019

Abstract

A maturational threshold has been suggested to be present in young peoples’ responses to exercise, with significant influences of training status only evidenced above this threshold. The presence of such a threshold has not been investigated for short term, high intensity exercise. To address this,...

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Published in: Applied Physiology, Nutrition, and Metabolism
Published: 2011
URI: https://cronfa.swan.ac.uk/Record/cronfa26153
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spelling 2016-03-29T15:34:12.2612146 v2 26153 2016-02-11 The influence of training and maturity status on girls’ responses to short-term, high-intensity upper- and lower-body exercise 062f5697ff59f004bc8c713955988398 0000-0003-0813-7477 Melitta McNarry Melitta McNarry true false 2016-02-11 STSC A maturational threshold has been suggested to be present in young peoples’ responses to exercise, with significant influences of training status only evidenced above this threshold. The presence of such a threshold has not been investigated for short term, high intensity exercise. To address this, we investigated the relationship between swim-training status and maturity on the power output, pulmonary gas exchange and metabolic responses to upper (UP) and lower body (LO) Wingate Anaerobic Test (WAnT). Girls at three stages of maturity: pre-pubertal (Pre: 8 trained (T) 10 untrained (UT)); pubertal (Pub: 9 T, 15 UT); and post-pubertal (Post: 8 T, 10 UT) participated. At all maturity stages, T exhibited higher peak power (PP) and mean power (MP) during UP (PP: Pre, T, 163±20 vs. UT, 124±29; Pub, T, 230±42 vs. UT, 173±41; Post, T, 245±41 vs. UT, 190±40 W; MP: Pre, T, 130±23 vs. UT, 85±26; Pub, T, 184±37 vs. UT, 123±38; Post, T, 200±30 vs. UT, 150±15 W; all P<0.05) but not LO exercise, whilst the fatigue index was significantly lower in T for both exercise modalities. Irrespective of maturity, the oxidative contribution, calculated by the area under the O2 response profile, was not influenced by training status. No interaction was evident between training status and maturity, with similar magnitudes of difference between T and UT at all three maturity stages. These results suggest there is no maturational threshold which must be surpassed for significant influences of training status to be manifest in the ‘anaerobic’ exercise performance of young girls. Journal Article Applied Physiology, Nutrition, and Metabolism 36 3 344 352 16 5 2011 2011-05-16 10.1139/h11-019 COLLEGE NANME Sport and Exercise Sciences COLLEGE CODE STSC Swansea University 2016-03-29T15:34:12.2612146 2016-02-11T10:43:45.8896885 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Sport and Exercise Sciences Melitta McNarry 0000-0003-0813-7477 1 Joanne R. Welsman 2 Andrew M. Jones 3 0026153-11022016104531.pdf PDFv2.pdf 2016-02-11T10:45:31.9230000 Output 218058 application/pdf Accepted Manuscript true 2016-02-11T00:00:00.0000000 false
title The influence of training and maturity status on girls’ responses to short-term, high-intensity upper- and lower-body exercise
spellingShingle The influence of training and maturity status on girls’ responses to short-term, high-intensity upper- and lower-body exercise
Melitta McNarry
title_short The influence of training and maturity status on girls’ responses to short-term, high-intensity upper- and lower-body exercise
title_full The influence of training and maturity status on girls’ responses to short-term, high-intensity upper- and lower-body exercise
title_fullStr The influence of training and maturity status on girls’ responses to short-term, high-intensity upper- and lower-body exercise
title_full_unstemmed The influence of training and maturity status on girls’ responses to short-term, high-intensity upper- and lower-body exercise
title_sort The influence of training and maturity status on girls’ responses to short-term, high-intensity upper- and lower-body exercise
author_id_str_mv 062f5697ff59f004bc8c713955988398
author_id_fullname_str_mv 062f5697ff59f004bc8c713955988398_***_Melitta McNarry
author Melitta McNarry
author2 Melitta McNarry
Joanne R. Welsman
Andrew M. Jones
format Journal article
container_title Applied Physiology, Nutrition, and Metabolism
container_volume 36
container_issue 3
container_start_page 344
publishDate 2011
institution Swansea University
doi_str_mv 10.1139/h11-019
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Sport and Exercise Sciences{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Sport and Exercise Sciences
document_store_str 1
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description A maturational threshold has been suggested to be present in young peoples’ responses to exercise, with significant influences of training status only evidenced above this threshold. The presence of such a threshold has not been investigated for short term, high intensity exercise. To address this, we investigated the relationship between swim-training status and maturity on the power output, pulmonary gas exchange and metabolic responses to upper (UP) and lower body (LO) Wingate Anaerobic Test (WAnT). Girls at three stages of maturity: pre-pubertal (Pre: 8 trained (T) 10 untrained (UT)); pubertal (Pub: 9 T, 15 UT); and post-pubertal (Post: 8 T, 10 UT) participated. At all maturity stages, T exhibited higher peak power (PP) and mean power (MP) during UP (PP: Pre, T, 163±20 vs. UT, 124±29; Pub, T, 230±42 vs. UT, 173±41; Post, T, 245±41 vs. UT, 190±40 W; MP: Pre, T, 130±23 vs. UT, 85±26; Pub, T, 184±37 vs. UT, 123±38; Post, T, 200±30 vs. UT, 150±15 W; all P<0.05) but not LO exercise, whilst the fatigue index was significantly lower in T for both exercise modalities. Irrespective of maturity, the oxidative contribution, calculated by the area under the O2 response profile, was not influenced by training status. No interaction was evident between training status and maturity, with similar magnitudes of difference between T and UT at all three maturity stages. These results suggest there is no maturational threshold which must be surpassed for significant influences of training status to be manifest in the ‘anaerobic’ exercise performance of young girls.
published_date 2011-05-16T03:31:17Z
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