Large asymmetric hypertrophy of rectus abdominis muscle in professional tennis players.

<h4>Purpose</h4>To determine the volume and degree of asymmetry of the musculus rectus abdominis (RA) in professional tennis players.<h4>Methods</h4>The volume of the RA was determined using magnetic resonance imaging (MRI) in 8 professional male tennis players and 6 non-acti...

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Autores principales:	Joaquin Sanchis-Moysi, Fernando Idoate, Cecilia Dorado, Santiago Alayón, Jose A L Calbet
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2010
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/028e02f811cc42348277aa7dffea225a
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spelling	oai:doaj.org-article:028e02f811cc42348277aa7dffea225a2021-11-18T07:00:53ZLarge asymmetric hypertrophy of rectus abdominis muscle in professional tennis players.1932-620310.1371/journal.pone.0015858https://doaj.org/article/028e02f811cc42348277aa7dffea225a2010-12-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/21209832/?tool=EBIhttps://doaj.org/toc/1932-6203<h4>Purpose</h4>To determine the volume and degree of asymmetry of the musculus rectus abdominis (RA) in professional tennis players.<h4>Methods</h4>The volume of the RA was determined using magnetic resonance imaging (MRI) in 8 professional male tennis players and 6 non-active male control subjects.<h4>Results</h4>Tennis players had 58% greater RA volume than controls (P = 0.01), due to hypertrophy of both the dominant (34% greater volume, P = 0.02) and non-dominant (82% greater volume, P = 0.01) sides, after accounting for age, the length of the RA muscle and body mass index (BMI) as covariates. In tennis players, there was a marked asymmetry in the development of the RA, which volume was 35% greater in the non-dominant compared to the dominant side (P<0.001). In contrast, no side-to-side difference in RA volume was observed in the controls (P = 0.75). The degree of side-to-side asymmetry increased linearly from the first lumbar disc to the pubic symphysis (r = 0.97, P<0.001).<h4>Conclusions</h4>Professional tennis is associated with marked hypertrophy of the musculus rectus abdominis, which achieves a volume that is 58% greater than in non-active controls. Rectus abdominis hypertrophy is more marked in the non-dominant than in the dominant side, particularly in the more distal regions. Our study supports the concept that humans can differentially recruit both rectus abdominis but also the upper and lower regions of each muscle. It remains to be determined if this disequilibrium raises the risk of injury.Joaquin Sanchis-MoysiFernando IdoateCecilia DoradoSantiago AlayónJose A L CalbetPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 5, Iss 12, p e15858 (2010)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Joaquin Sanchis-Moysi Fernando Idoate Cecilia Dorado Santiago Alayón Jose A L Calbet Large asymmetric hypertrophy of rectus abdominis muscle in professional tennis players.
description	<h4>Purpose</h4>To determine the volume and degree of asymmetry of the musculus rectus abdominis (RA) in professional tennis players.<h4>Methods</h4>The volume of the RA was determined using magnetic resonance imaging (MRI) in 8 professional male tennis players and 6 non-active male control subjects.<h4>Results</h4>Tennis players had 58% greater RA volume than controls (P = 0.01), due to hypertrophy of both the dominant (34% greater volume, P = 0.02) and non-dominant (82% greater volume, P = 0.01) sides, after accounting for age, the length of the RA muscle and body mass index (BMI) as covariates. In tennis players, there was a marked asymmetry in the development of the RA, which volume was 35% greater in the non-dominant compared to the dominant side (P<0.001). In contrast, no side-to-side difference in RA volume was observed in the controls (P = 0.75). The degree of side-to-side asymmetry increased linearly from the first lumbar disc to the pubic symphysis (r = 0.97, P<0.001).<h4>Conclusions</h4>Professional tennis is associated with marked hypertrophy of the musculus rectus abdominis, which achieves a volume that is 58% greater than in non-active controls. Rectus abdominis hypertrophy is more marked in the non-dominant than in the dominant side, particularly in the more distal regions. Our study supports the concept that humans can differentially recruit both rectus abdominis but also the upper and lower regions of each muscle. It remains to be determined if this disequilibrium raises the risk of injury.
format	article
author	Joaquin Sanchis-Moysi Fernando Idoate Cecilia Dorado Santiago Alayón Jose A L Calbet
author_facet	Joaquin Sanchis-Moysi Fernando Idoate Cecilia Dorado Santiago Alayón Jose A L Calbet
author_sort	Joaquin Sanchis-Moysi
title	Large asymmetric hypertrophy of rectus abdominis muscle in professional tennis players.
title_short	Large asymmetric hypertrophy of rectus abdominis muscle in professional tennis players.
title_full	Large asymmetric hypertrophy of rectus abdominis muscle in professional tennis players.
title_fullStr	Large asymmetric hypertrophy of rectus abdominis muscle in professional tennis players.
title_full_unstemmed	Large asymmetric hypertrophy of rectus abdominis muscle in professional tennis players.
title_sort	large asymmetric hypertrophy of rectus abdominis muscle in professional tennis players.
publisher	Public Library of Science (PLoS)
publishDate	2010
url	https://doaj.org/article/028e02f811cc42348277aa7dffea225a
work_keys_str_mv	AT joaquinsanchismoysi largeasymmetrichypertrophyofrectusabdominismuscleinprofessionaltennisplayers AT fernandoidoate largeasymmetrichypertrophyofrectusabdominismuscleinprofessionaltennisplayers AT ceciliadorado largeasymmetrichypertrophyofrectusabdominismuscleinprofessionaltennisplayers AT santiagoalayon largeasymmetrichypertrophyofrectusabdominismuscleinprofessionaltennisplayers AT josealcalbet largeasymmetrichypertrophyofrectusabdominismuscleinprofessionaltennisplayers
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Large asymmetric hypertrophy of rectus abdominis muscle in professional tennis players.

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