Quadratus lumborum asymmetry and L4 pars injury in fast bowlers: a prospective MR study.
Med Sci Sports Exerc
; 39(6): 910-7, 2007 Jun.
Article
em En
| MEDLINE
| ID: mdl-17545879
PURPOSE: This prospective study examined the association between quadratus lumborum (QL) asymmetry and the development of symptomatic pars interarticularis lesions in the lumbar spine of adolescent cricket fast bowlers. METHODS: Annual magnetic resonance imaging was used to measure QL volume asymmetry and for identifying pars lesions of the lumbar vertebrae in fast bowlers (N=51) and a control group of swimmers (N=18). Manual segmentation of axial images spanning the lumbar spine was performed to calculate percent QL asymmetry relative to the bowling- or throwing- (swimmers) arm side. Asymmetry above 100% indicated a larger QL volume on the bowling- (throwing) arm side. RESULTS: The mean QL asymmetry in bowlers of 110.5% (SD=12.1%) was significantly different from the 96.6% (SD=5.0%) asymmetry in swimmers (t=6.75, P
Assuntos
Buscar no Google
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Fraturas de Estresse
/
Músculo Esquelético
/
Vértebras Lombares
Tipo de estudo:
Diagnostic_studies
/
Etiology_studies
/
Observational_studies
/
Prognostic_studies
/
Risk_factors_studies
Limite:
Adolescent
/
Humans
/
Male
País/Região como assunto:
Oceania
Idioma:
En
Revista:
Med Sci Sports Exerc
Ano de publicação:
2007
Tipo de documento:
Article
Buscar no Google
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Fraturas de Estresse
/
Músculo Esquelético
/
Vértebras Lombares
Tipo de estudo:
Diagnostic_studies
/
Etiology_studies
/
Observational_studies
/
Prognostic_studies
/
Risk_factors_studies
Limite:
Adolescent
/
Humans
/
Male
País/Região como assunto:
Oceania
Idioma:
En
Revista:
Med Sci Sports Exerc
Ano de publicação:
2007
Tipo de documento:
Article