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Soccer Attenuates the Asymmetry of Rectus Abdominis Muscle Observed in Non-Athletes

PURPOSE: To determine the volume and degree of asymmetry of the rectus abdominis muscle (RA) in professional soccer players. METHODS: The volume of the RA was determined using magnetic resonance imaging (MRI) in 15 professional male soccer players and 6 non-active male control subjects. RESULTS: Soc...

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Autores principales: Idoate, Fernando, Calbet, Jose A. L., Izquierdo, Mikel, Sanchis-Moysi, Joaquin
Formato: Texto
Lenguaje:English
Publicado: Public Library of Science 2011
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3081838/
https://www.ncbi.nlm.nih.gov/pubmed/21541351
http://dx.doi.org/10.1371/journal.pone.0019022
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author Idoate, Fernando
Calbet, Jose A. L.
Izquierdo, Mikel
Sanchis-Moysi, Joaquin
author_facet Idoate, Fernando
Calbet, Jose A. L.
Izquierdo, Mikel
Sanchis-Moysi, Joaquin
author_sort Idoate, Fernando
collection PubMed
description PURPOSE: To determine the volume and degree of asymmetry of the rectus abdominis muscle (RA) in professional soccer players. METHODS: The volume of the RA was determined using magnetic resonance imaging (MRI) in 15 professional male soccer players and 6 non-active male control subjects. RESULTS: Soccer players had 26% greater RA volume than controls (P<0.05), due to hypertrophy of both the dominant (28% greater volume, P<0.05) and non-dominant (25% greater volume, P<0.01) sides, after adjusting for age, length of the RA muscle and body mass index (BMI) as covariates. Total volume of the dominant side was similar to the contralateral in soccer players (P = 0.42) and in controls (P = 0.75) (Dominant/non-dominant = 0.99, in both groups). Segmental analysis showed a progressive increase in the degree of side-to-side asymmetry from the first lumbar disc to the pubic symphysis in soccer players (r = 0.80, P<0.05) and in controls (r = 0.75, P<0.05). The slope of the relationship was lower in soccer players, although this trend was not statistically significant (P = 0.14). CONCLUSIONS: Professional soccer is associated with marked hypertrophy of the rectus abdominis muscle, which achieves a volume that is 26% greater than in non-active controls. Soccer induces the hypertrophy of the non-dominant side in proximal regions and the dominant side in regions closer to pubic symphysis, which attenuates the pattern of asymmetry of rectus abdominis observed in non-active population. It remains to be determined whether the hypertrophy of rectus abdominis in soccer players modifies the risk of injury.
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spelling pubmed-30818382011-05-03 Soccer Attenuates the Asymmetry of Rectus Abdominis Muscle Observed in Non-Athletes Idoate, Fernando Calbet, Jose A. L. Izquierdo, Mikel Sanchis-Moysi, Joaquin PLoS One Research Article PURPOSE: To determine the volume and degree of asymmetry of the rectus abdominis muscle (RA) in professional soccer players. METHODS: The volume of the RA was determined using magnetic resonance imaging (MRI) in 15 professional male soccer players and 6 non-active male control subjects. RESULTS: Soccer players had 26% greater RA volume than controls (P<0.05), due to hypertrophy of both the dominant (28% greater volume, P<0.05) and non-dominant (25% greater volume, P<0.01) sides, after adjusting for age, length of the RA muscle and body mass index (BMI) as covariates. Total volume of the dominant side was similar to the contralateral in soccer players (P = 0.42) and in controls (P = 0.75) (Dominant/non-dominant = 0.99, in both groups). Segmental analysis showed a progressive increase in the degree of side-to-side asymmetry from the first lumbar disc to the pubic symphysis in soccer players (r = 0.80, P<0.05) and in controls (r = 0.75, P<0.05). The slope of the relationship was lower in soccer players, although this trend was not statistically significant (P = 0.14). CONCLUSIONS: Professional soccer is associated with marked hypertrophy of the rectus abdominis muscle, which achieves a volume that is 26% greater than in non-active controls. Soccer induces the hypertrophy of the non-dominant side in proximal regions and the dominant side in regions closer to pubic symphysis, which attenuates the pattern of asymmetry of rectus abdominis observed in non-active population. It remains to be determined whether the hypertrophy of rectus abdominis in soccer players modifies the risk of injury. Public Library of Science 2011-04-25 /pmc/articles/PMC3081838/ /pubmed/21541351 http://dx.doi.org/10.1371/journal.pone.0019022 Text en Idoate et al. http://creativecommons.org/licenses/by/4.0/ This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.
spellingShingle Research Article
Idoate, Fernando
Calbet, Jose A. L.
Izquierdo, Mikel
Sanchis-Moysi, Joaquin
Soccer Attenuates the Asymmetry of Rectus Abdominis Muscle Observed in Non-Athletes
title Soccer Attenuates the Asymmetry of Rectus Abdominis Muscle Observed in Non-Athletes
title_full Soccer Attenuates the Asymmetry of Rectus Abdominis Muscle Observed in Non-Athletes
title_fullStr Soccer Attenuates the Asymmetry of Rectus Abdominis Muscle Observed in Non-Athletes
title_full_unstemmed Soccer Attenuates the Asymmetry of Rectus Abdominis Muscle Observed in Non-Athletes
title_short Soccer Attenuates the Asymmetry of Rectus Abdominis Muscle Observed in Non-Athletes
title_sort soccer attenuates the asymmetry of rectus abdominis muscle observed in non-athletes
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3081838/
https://www.ncbi.nlm.nih.gov/pubmed/21541351
http://dx.doi.org/10.1371/journal.pone.0019022
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