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Energy expenditure associated with walking speed and angle of turn in children

Sam G. M. Crossley, Kelly Mackintosh Orcid Logo, Rory Wilson Orcid Logo, Leanne J. Lester, Iwan W. Griffiths, Melitta McNarry Orcid Logo

European Journal of Applied Physiology, Volume: 118, Issue: 12, Pages: 2563 - 2576

Swansea University Authors: Kelly Mackintosh Orcid Logo, Rory Wilson Orcid Logo, Melitta McNarry Orcid Logo

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DOI (Published version): 10.1007/s00421-018-3981-1

Abstract

PurposeRecent studies have suggested that turning is power intensive. Given the sporadic and irregular movement patterns of children, such findings have important implications for the assessment of true energy expenditure associated with habitual physical activity. The purpose of this study was to i...

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Published in: European Journal of Applied Physiology
ISSN: 1439-6319 1439-6327
Published: 2018
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URI: https://cronfa.swan.ac.uk/Record/cronfa43525
first_indexed 2018-08-20T13:53:38Z
last_indexed 2018-11-19T20:19:16Z
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spelling 2018-11-19T15:45:29.3549166 v2 43525 2018-08-20 Energy expenditure associated with walking speed and angle of turn in children bdb20e3f31bcccf95c7bc116070c4214 0000-0003-0355-6357 Kelly Mackintosh Kelly Mackintosh true false 017bc6dd155098860945dc6249c4e9bc 0000-0003-3177-0177 Rory Wilson Rory Wilson true false 062f5697ff59f004bc8c713955988398 0000-0003-0813-7477 Melitta McNarry Melitta McNarry true false 2018-08-20 EAAS PurposeRecent studies have suggested that turning is power intensive. Given the sporadic and irregular movement patterns of children, such findings have important implications for the assessment of true energy expenditure associated with habitual physical activity. The purpose of this study was to investigate the influence of walking speed and angle, and their interaction, on the energy expenditure of healthy children.Methods20 children (10.1 ± 0.5 years; 10 boys) participated in the study. On two separate days, participants completed a turning protocol involving 3-min bouts of walking at one of the 16 speed (2.5, 3.5, 4.5, and 5.5 km h− 1) and angle (0°, 45°, 90°, and 180°) combinations, interspersed by 3 min seated rest. The movement involved 5 m straight walking interspaced with prescribed turns with speed dictated by a digital, auditory metronome. Breath-by-breath gas exchange was measured, in addition to tri-axial acceleration and magnetic field intensity recorded at 100 Hz.ResultsMixed models revealed a significant main effect for speed (p < 0.006) and angle (p < 0.006), with no significant interaction between speed and angle (p > 0.006). Significant differences to straight-line walking energy expenditure within speed were established for 3.5 and 5.5 km h− 1 for 180° turns (~ 13% and ~ 30% increase, respectively).ConclusionThese findings highlight the importance of accounting for the magnitude and frequency of turns completed when estimating children’s habitual physical activity and have significant implications for the assessment of daily energy expenditure. Journal Article European Journal of Applied Physiology 118 12 2563 2576 1439-6319 1439-6327 Youth, Energy requirements, Velocity, Change of direction 31 12 2018 2018-12-31 10.1007/s00421-018-3981-1 COLLEGE NANME Engineering and Applied Sciences School COLLEGE CODE EAAS Swansea University 2018-11-19T15:45:29.3549166 2018-08-20T11:07:29.9059706 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised Sam G. M. Crossley 1 Kelly Mackintosh 0000-0003-0355-6357 2 Rory Wilson 0000-0003-3177-0177 3 Leanne J. Lester 4 Iwan W. Griffiths 5 Melitta McNarry 0000-0003-0813-7477 6 0043525-27092018101737.pdf crossley2018(2).pdf 2018-09-27T10:17:37.0100000 Output 1761649 application/pdf Version of Record true 2018-09-27T00:00:00.0000000 true eng
title Energy expenditure associated with walking speed and angle of turn in children
spellingShingle Energy expenditure associated with walking speed and angle of turn in children
Kelly Mackintosh
Rory Wilson
Melitta McNarry
title_short Energy expenditure associated with walking speed and angle of turn in children
title_full Energy expenditure associated with walking speed and angle of turn in children
title_fullStr Energy expenditure associated with walking speed and angle of turn in children
title_full_unstemmed Energy expenditure associated with walking speed and angle of turn in children
title_sort Energy expenditure associated with walking speed and angle of turn in children
author_id_str_mv bdb20e3f31bcccf95c7bc116070c4214
017bc6dd155098860945dc6249c4e9bc
062f5697ff59f004bc8c713955988398
author_id_fullname_str_mv bdb20e3f31bcccf95c7bc116070c4214_***_Kelly Mackintosh
017bc6dd155098860945dc6249c4e9bc_***_Rory Wilson
062f5697ff59f004bc8c713955988398_***_Melitta McNarry
author Kelly Mackintosh
Rory Wilson
Melitta McNarry
author2 Sam G. M. Crossley
Kelly Mackintosh
Rory Wilson
Leanne J. Lester
Iwan W. Griffiths
Melitta McNarry
format Journal article
container_title European Journal of Applied Physiology
container_volume 118
container_issue 12
container_start_page 2563
publishDate 2018
institution Swansea University
issn 1439-6319
1439-6327
doi_str_mv 10.1007/s00421-018-3981-1
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 Engineering and Applied Sciences - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised
document_store_str 1
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description PurposeRecent studies have suggested that turning is power intensive. Given the sporadic and irregular movement patterns of children, such findings have important implications for the assessment of true energy expenditure associated with habitual physical activity. The purpose of this study was to investigate the influence of walking speed and angle, and their interaction, on the energy expenditure of healthy children.Methods20 children (10.1 ± 0.5 years; 10 boys) participated in the study. On two separate days, participants completed a turning protocol involving 3-min bouts of walking at one of the 16 speed (2.5, 3.5, 4.5, and 5.5 km h− 1) and angle (0°, 45°, 90°, and 180°) combinations, interspersed by 3 min seated rest. The movement involved 5 m straight walking interspaced with prescribed turns with speed dictated by a digital, auditory metronome. Breath-by-breath gas exchange was measured, in addition to tri-axial acceleration and magnetic field intensity recorded at 100 Hz.ResultsMixed models revealed a significant main effect for speed (p < 0.006) and angle (p < 0.006), with no significant interaction between speed and angle (p > 0.006). Significant differences to straight-line walking energy expenditure within speed were established for 3.5 and 5.5 km h− 1 for 180° turns (~ 13% and ~ 30% increase, respectively).ConclusionThese findings highlight the importance of accounting for the magnitude and frequency of turns completed when estimating children’s habitual physical activity and have significant implications for the assessment of daily energy expenditure.
published_date 2018-12-31T19:31:21Z
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