The symmetry of children's knees is linked to their adult sprinting speed and their willingness to sprint in a long-term Jamaican study.

Jamaican athletes are prominent in sprint running but the reasons for their success are not clear. Here we consider the possibility that symmetry, particularly symmetry of the legs, in Jamaican children is linked to high sprinting speed in adults. Our study population was a cohort of 288 rural child...

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Autores principales:	Robert Trivers, Brian G Palestis, John T Manning
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2013
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/fad30c59476d4de5bc39e77ed7ed34ec
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spelling	oai:doaj.org-article:fad30c59476d4de5bc39e77ed7ed34ec2021-11-18T08:58:59ZThe symmetry of children's knees is linked to their adult sprinting speed and their willingness to sprint in a long-term Jamaican study.1932-620310.1371/journal.pone.0072244https://doaj.org/article/fad30c59476d4de5bc39e77ed7ed34ec2013-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23977263/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203Jamaican athletes are prominent in sprint running but the reasons for their success are not clear. Here we consider the possibility that symmetry, particularly symmetry of the legs, in Jamaican children is linked to high sprinting speed in adults. Our study population was a cohort of 288 rural children, mean age 8.2 (± 1 SD = 1.7) years in 1996. Symmetry was measured in 1996 and 2006 from the fluctuating asymmetry (FA) of three lower-body traits and we constructed a lower body composite FA trait (Comp lb-FA). In 2010 we measured sprinting speed (for 90 m and 180 m races) in participants recruited from our original cohort. There were 163 untrained adults in our sample. We found: (i) high Comp lb and knee symmetry in 1996 and 2006 were linked to fast sprinting times in our 2010 runners and (ii) our sample of sprinters appears to have self-selected for greater symmetry. We conclude that high knee symmetry in childhood is linked to an ability to sprint fast in adult Jamaicans as well as a readiness to sprint.Robert TriversBrian G PalestisJohn T ManningPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 8, Iss 8, p e72244 (2013)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Robert Trivers Brian G Palestis John T Manning The symmetry of children's knees is linked to their adult sprinting speed and their willingness to sprint in a long-term Jamaican study.
description	Jamaican athletes are prominent in sprint running but the reasons for their success are not clear. Here we consider the possibility that symmetry, particularly symmetry of the legs, in Jamaican children is linked to high sprinting speed in adults. Our study population was a cohort of 288 rural children, mean age 8.2 (± 1 SD = 1.7) years in 1996. Symmetry was measured in 1996 and 2006 from the fluctuating asymmetry (FA) of three lower-body traits and we constructed a lower body composite FA trait (Comp lb-FA). In 2010 we measured sprinting speed (for 90 m and 180 m races) in participants recruited from our original cohort. There were 163 untrained adults in our sample. We found: (i) high Comp lb and knee symmetry in 1996 and 2006 were linked to fast sprinting times in our 2010 runners and (ii) our sample of sprinters appears to have self-selected for greater symmetry. We conclude that high knee symmetry in childhood is linked to an ability to sprint fast in adult Jamaicans as well as a readiness to sprint.
format	article
author	Robert Trivers Brian G Palestis John T Manning
author_facet	Robert Trivers Brian G Palestis John T Manning
author_sort	Robert Trivers
title	The symmetry of children's knees is linked to their adult sprinting speed and their willingness to sprint in a long-term Jamaican study.
title_short	The symmetry of children's knees is linked to their adult sprinting speed and their willingness to sprint in a long-term Jamaican study.
title_full	The symmetry of children's knees is linked to their adult sprinting speed and their willingness to sprint in a long-term Jamaican study.
title_fullStr	The symmetry of children's knees is linked to their adult sprinting speed and their willingness to sprint in a long-term Jamaican study.
title_full_unstemmed	The symmetry of children's knees is linked to their adult sprinting speed and their willingness to sprint in a long-term Jamaican study.
title_sort	symmetry of children's knees is linked to their adult sprinting speed and their willingness to sprint in a long-term jamaican study.
publisher	Public Library of Science (PLoS)
publishDate	2013
url	https://doaj.org/article/fad30c59476d4de5bc39e77ed7ed34ec
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The symmetry of children's knees is linked to their adult sprinting speed and their willingness to sprint in a long-term Jamaican study.

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