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The reliability of force-velocity-power profiling during over-ground sprinting in children and adolescents / A. Runacres, N.E. Bezodis, K.A. Mackintosh, M.A. McNarry, Melitta McNarry, Kelly Mackintosh, Neil Bezodis

Journal of Sports Sciences, Pages: 1 - 7

Swansea University Authors: Melitta McNarry, Kelly Mackintosh, Neil Bezodis

Abstract

Anaerobic performance in youth has received little attention partly due to the lack of a “gold-standard” measurement. However, force-velocity-power (F-v-P) profiling recently showed high reliability and validity in trained adults. Therefore, the aim was to determine the reliability of F-v-P profilin...

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Published in: Journal of Sports Sciences
ISSN: 0264-0414 1466-447X
Published: 2019
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URI: https://cronfa.swan.ac.uk/Record/cronfa50405
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spelling 2019-07-18T15:25:49.3127935 v2 50405 2019-05-17 The reliability of force-velocity-power profiling during over-ground sprinting in children and adolescents 062f5697ff59f004bc8c713955988398 0000-0003-0813-7477 Melitta McNarry Melitta McNarry true false bdb20e3f31bcccf95c7bc116070c4214 0000-0003-0355-6357 Kelly Mackintosh Kelly Mackintosh true false 534588568c1936e94e1ed8527b8c991b 0000-0003-2229-3310 Neil Bezodis Neil Bezodis true false 2019-05-17 STSC Anaerobic performance in youth has received little attention partly due to the lack of a “gold-standard” measurement. However, force-velocity-power (F-v-P) profiling recently showed high reliability and validity in trained adults. Therefore, the aim was to determine the reliability of F-v-P profiling in children and adolescents. Seventy-five children (60 boys, 15 girls; age: 14.1 ± 2.6 years) completed three 30 m sprints. Velocity was measured at 46.875 Hz using a radar device. The F-v-P profile was fitted to a velocity-time curve allowing instantaneous power variables to be calculated. Reliability was assessed using the intra-class correlation coefficient (ICC), coefficient of variation (CV), standard error of measurement (SEM) and smallest worthwhile change (SWC). High reliability was evident for absolute peak (Ppeak) and mean power (Pmean), Ppeak and Pmean expressed relative to body mass, peak and mean velocity, 30 m sprint time, peak horizontal force (F0), relative F0, mechanical efficiency index and fatigue rate (ICC: 0.75–0.88; CV: 1.9–9.4%) with time to peak power demonstrating moderate reliability (ICC: 0.50; CV: 9.5%). The F-v-P model demonstrated at least moderate reliability for all variables. This therefore provides a potential alternative for paediatric researchers assessing sprint performance and the underlying kinetics. Journal Article Journal of Sports Sciences 1 7 0264-0414 1466-447X Reliability, maturity, sprinting, training 31 12 2019 2019-12-31 10.1080/02640414.2019.1622316 COLLEGE NANME Sport and Exercise Sciences COLLEGE CODE STSC Swansea University 2019-07-18T15:25:49.3127935 2019-05-17T10:17:40.5839455 College of Engineering Sports Science A. Runacres 1 N.E. Bezodis 2 K.A. Mackintosh 3 M.A. McNarry 4 Melitta McNarry 0000-0003-0813-7477 5 Kelly Mackintosh 0000-0003-0355-6357 6 Neil Bezodis 0000-0003-2229-3310 7 0050405-17052019101924.pdf mcnarry2019(3).pdf 2019-05-17T10:19:24.6030000 Output 360306 application/pdf Accepted Manuscript true 2020-05-26T00:00:00.0000000 true eng
title The reliability of force-velocity-power profiling during over-ground sprinting in children and adolescents
spellingShingle The reliability of force-velocity-power profiling during over-ground sprinting in children and adolescents
Melitta, McNarry
Kelly, Mackintosh
Neil, Bezodis
title_short The reliability of force-velocity-power profiling during over-ground sprinting in children and adolescents
title_full The reliability of force-velocity-power profiling during over-ground sprinting in children and adolescents
title_fullStr The reliability of force-velocity-power profiling during over-ground sprinting in children and adolescents
title_full_unstemmed The reliability of force-velocity-power profiling during over-ground sprinting in children and adolescents
title_sort The reliability of force-velocity-power profiling during over-ground sprinting in children and adolescents
author_id_str_mv 062f5697ff59f004bc8c713955988398
bdb20e3f31bcccf95c7bc116070c4214
534588568c1936e94e1ed8527b8c991b
author_id_fullname_str_mv 062f5697ff59f004bc8c713955988398_***_Melitta, McNarry
bdb20e3f31bcccf95c7bc116070c4214_***_Kelly, Mackintosh
534588568c1936e94e1ed8527b8c991b_***_Neil, Bezodis
author Melitta, McNarry
Kelly, Mackintosh
Neil, Bezodis
author2 A. Runacres
N.E. Bezodis
K.A. Mackintosh
M.A. McNarry
Melitta McNarry
Kelly Mackintosh
Neil Bezodis
format Journal article
container_title Journal of Sports Sciences
container_start_page 1
publishDate 2019
institution Swansea University
issn 0264-0414
1466-447X
doi_str_mv 10.1080/02640414.2019.1622316
college_str College of Engineering
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hierarchy_top_title College of Engineering
hierarchy_parent_id collegeofengineering
hierarchy_parent_title College of Engineering
department_str Sports Science{{{_:::_}}}College of Engineering{{{_:::_}}}Sports Science
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description Anaerobic performance in youth has received little attention partly due to the lack of a “gold-standard” measurement. However, force-velocity-power (F-v-P) profiling recently showed high reliability and validity in trained adults. Therefore, the aim was to determine the reliability of F-v-P profiling in children and adolescents. Seventy-five children (60 boys, 15 girls; age: 14.1 ± 2.6 years) completed three 30 m sprints. Velocity was measured at 46.875 Hz using a radar device. The F-v-P profile was fitted to a velocity-time curve allowing instantaneous power variables to be calculated. Reliability was assessed using the intra-class correlation coefficient (ICC), coefficient of variation (CV), standard error of measurement (SEM) and smallest worthwhile change (SWC). High reliability was evident for absolute peak (Ppeak) and mean power (Pmean), Ppeak and Pmean expressed relative to body mass, peak and mean velocity, 30 m sprint time, peak horizontal force (F0), relative F0, mechanical efficiency index and fatigue rate (ICC: 0.75–0.88; CV: 1.9–9.4%) with time to peak power demonstrating moderate reliability (ICC: 0.50; CV: 9.5%). The F-v-P model demonstrated at least moderate reliability for all variables. This therefore provides a potential alternative for paediatric researchers assessing sprint performance and the underlying kinetics.
published_date 2019-12-31T04:09:49Z
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