Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.22/3374
Título: Association between birth weight and neuromotor performance: a twin study
Autor: Lopes, Alexandre
Tani, Go
Katzmarzyk, Peter
Thomis, Martine
Maia, José
Palavras-chave: Similarity
Physical activity
Data: 2014
Editora: John Wiley and Sons
Relatório da Série N.º: Scandinavian Journal of Medicine and Science in Sports;
Resumo: The development of neonatal intensive care has led to an increase in the prevalence of children with low birth weight and associated morbidity. The objectives of this study are to verify (1) The association between birth weight (BW) and neuromotor performance? (2) Is the neuromotor performance of twins within the normal range? (3) Are intra-pair similarities in neuromotor development of Monozygotic (MZ) and Disygotic (DZ) twins of unequal magnitude? The sample consisted of 191 children (78 MZ and 113 DZ), 8.9+3.1 years of age and with an average BW of 2246.3+485.4g. In addition to gestational characteristics, sports participation and Zurich Neuromotor Assessment (ZNA) were observed at childhood age. The statistical analysis was carried out with software SPSS 18.0, the STATA 10 and the ZNA performance scores. The level of significance was 0.05. For the neuromotor items high intra and inter-investigator reliabilities were obtained (0.793<R<1). BW, gestational length and Apgar 5´ accounted for <26% of the variance. Twins showed elevated percentages of subjects (32.7%<76.9%) with low performance <P10 in time-related neuromotor tasks, but not for the quality of the associated movements (2.6%<6.4%). The MZ twins were more similar than DZ for several neuromotor items. BW showed a limited association with neuromotor performance.
Peer review: yes
URI: http://hdl.handle.net/10400.22/3374
ISSN: Print: 0905-7188
Online: 1600-0838
Versão do Editor: "A versão definitiva está disponível em www3.interscience.wiley.com"
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