An allometric modelling approach to identify the optimal body shape associated with, and differences between brazilian and peruvian youth motor performance

Silva, Simonete Pereira da; Bustamante, Alcibíades; Nevill, Alan; Katzmarzyk, Peter T.; Freitas, Duarte Luís de; Prista, António; Maia, José António Ribeiro

doi:dx.doi.org/10.1371/journal.pone.0149493

Please use this identifier to cite or link to this item: http://hdl.handle.net/10400.13/1271

Title:	An allometric modelling approach to identify the optimal body shape associated with, and differences between brazilian and peruvian youth motor performance
Author:	Silva, Simonete Pereira da Bustamante, Alcibíades Nevill, Alan Katzmarzyk, Peter T. Freitas, Duarte Luís de Prista, António Maia, José António Ribeiro
Keywords:	. Faculdade de Ciências Sociais
Issue Date:	2016
Publisher:	Institute of Preventive Medicine
Citation:	Silva, S., Bustamante, A., Nevill, A., Katzmarzyk, P. T., Freitas, D., Prista, A., & Maia, J. (2016). An Allometric Modelling Approach to Identify the Optimal Body Shape Associated with, and Differences between Brazilian and Peruvian Youth Motor Performance. PloS one, 11(3):e0149493.
Abstract:	Children fromdevelopedanddevelopingcountriesdifferintheirbodysizeandshapedueto markeddifferencesacrosstheirlifehistorycausedbysocial,economicandculturaldifferenceswhicharealsolinkedtotheirmotorperformance(MP).Weusedallometricmodelsto identifysize/shapecharacteristicsassociatedwithMPtestsbetweenBrazilianandPeruvianschoolchildren.Atotalof4,560subjects,2,385girlsand2,175boysaged9–15years werestudied.Heightandweightweremeasured;biological maturation wasestimated with thematurityoffsettechnique;MPmeasuresincludedthe12minuterun(12MR),handgrip strength(HG),standinglongjump(SLJ)andtheshuttlerunspeed(SR)tests;physicalactivity(PA)wasassessedusingtheBaeckequestionnaire.Amultiplicativeallometricmodel wasadoptedtoadjustforbodysizedifferencesacrosscountries.Reciprocalponderalindex (RPI)wasfoundtobethemostsuitablebodyshapeindicatorassociatedwiththe12MR, SLJ,HGandSRperformance.Apositivematurationoffset parameterwasalsoassociated withabetterperformanceinSLJ,HGandSRtests.Sexdifferenceswerefoundinallmotor tests.BrazilianyouthshowedbetterscoresinMPthantheirPeruvianpeers,evenwhen controlling fortheirbodysizedifferencesThecurrentstudyidentifiedthekeybodysize associatedwithfourbodymass-dependentMPtests.Biological maturationandPAwere associatedwithstrengthandmotorperformance.Sexdifferenceswerefoundinallmotor tests,aswellasacrosscountriesfavoringBrazilianchildrenevenwhenaccountingfortheir bodysize/shapedifferences.
Peer review:	yes
URI:	http://hdl.handle.net/10400.13/1271
DOI:	dx.doi.org/10.1371/journal.pone.0149493
ISSN:	1932-6203
Appears in Collections:	Artigos em revistas internacionais