Longitudinal changing relationships between growth tempo and vertical stiffness in movement across maturation |
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| Institution: | 1. Sydney School of Health Sciences, Faculty of Medicine & Health, The University of Sydney, New South Wales 2141, Australia;2. Swimming Australia Ltd, Sunnybank, Queensland, Australia;3. Department of Biomechanics, Wroclaw University of Health and Sport Sciences, Wroclaw, Poland;1. Institute of Physical Therapy, Prevention and Rehabilitation, University Medical Center of the Johannes Gutenberg University Mainz, Langenbeckstrasse 1, D-55131 Mainz, Germany;2. Institute of Medical Biostatistics, Epidemiology and Informatics, University Medical Center of the Johannes Gutenberg University Mainz, Obere Zahlbacher Straße 69, D-55131 Mainz, Germany;3. Institute of Complex Health Sciences, Hochschule Fresenius, University of Applied Sciences, Limburgerstr. 2, D-65510 Idstein, Germany;4. Department of Orthopedics and Trauma Surgery, University Medical Center of the Johannes Gutenberg University Mainz, Langenbeckstrasse 1, D-55131 Mainz, Germany;1. Department of Physical Education and Sport Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece;2. Department of Experimental Psychology, Justus Liebig University Giessen, Giessen, Germany;3. Department of Human Movement Sciences, Vrije Universiteit Amsterdam, Amsterdam Movement Sciences, Amsterdam, the Netherlands;1. Département des sciences de l''activité physique, Université du Québec à Trois-Rivières, 3351, boulevard des Forges, Trois-Rivières, QC G8Z 4M3, Canada;2. École de kinésiologie et des sciences de l''activité physique de la Faculté de médecine, Université de Montréal, 2100 Edouard Montpetit Blvd. #6219, Montreal, QC H3T 1J4, Canada;3. Centre de recherche du CHU Sainte-Justine, 5858 Côte-des-Neiges Rd, Montreal, QC H3S 1Z1, Canada;4. Department of Family Medicine, McGill University, 5858 Côte-des-Neiges Rd, Montreal, QC H3S 1Z1, Canada;5. Human Kinetics Department, St Francis Xavier University, 4130 University Ave, Antigonish, NS B2G 2W5, Canada;6. Département de kinésiologie, Université Laval, 2300, rue de la Terrasse, Quebec, QC G1V 0A6, Canada;7. Département de Pédiatrique, Faculté de médecine, Université de Montréal, 3175, chemin Côte Sainte-Catherine, Montréal, QC H3T 1C5, Canada;1. Institute of Psychology, Department of Psychology and Sports Medicine, UMIT TIROL - Private University for Health Sciences and Health Technology, Hall in Tyrol, Austria;2. Department of Psychology, Faculty of Psychology and Sports Sciences, University of Innsbruck, Austria;1. Biomechanics and Motor Control Lab, School of Physical Education and Sport of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil;2. Graduate Program in Rehabilitation and Functional Performance, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil;1. Centre for Interdisciplinary Research in Rehabilitation and Social Integration, CIUSSS-CN, IRDPQ, Québec, Canada;2. Department of Rehabilitation, Faculty of Medicine, Université Laval, Québec, Canada;3. School of Physical and Occupational Therapy, McGill University, Québec, Canada;4. Feil and Oberfeld Research Centre, Jewish Rehabilitation Hospital – CISSS Laval site of Centre for Interdisciplinary Research in Rehabilitation of Greater Montreal (CRIR), Québec, Canada |
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| Abstract: | PurposeTo determine whether average growth tempo influenced longitudinal relationships between maturity status and coordination capability using a 15-s hopping task (Aim 1). To investigate how differences in absolute growth tempo were associated with change in coordination capability within and across peak growth (Aim 2).MethodsParticipants were N1 = 110 (Aim 1) and N2 = 71 (Aim 2) Australian male competitive swimmers, aged 10–15 years, exposed to repeated-measures tracking (2-years, and 12-months respectively) of maturity status, growth tempo and movement coordination capability. Coordination capability was estimated via vertical stiffness (KV) in a hopping task, reflected by participant mean KV and between-jump coefficient of variation (CV).ResultsFor Aim 1, log-linear mixed model trends identified maturity status and growth tempo were significantly associated with KV mean and KV CV. For a given maturity status, mean KV was 9% lower in the ‘High’ average growth tempo group than the ‘Low’ average tempo group. For Aim 2, mixed repeated-measures analyses of variance identified how time points of increased growth tempo were significantly associated with 7–11% reductions in mean KV, with similar mean KV decrements irrespective of growth tempo group. Meanwhile, KVCV only illustrated progressive longitudinal reductions.ConclusionsWithin maturational progression, short-term accelerations in growth tempo corresponded with short-term decreases in KV mean, suggesting temporary disruptions to movement coordination capability. Measuring growth tempo and applying hopping tasks in specific movement contexts could help consistently identify disturbances in motor coordination. |
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