Preferência lateral e coordenação motora.

Lateral preference and motor coordination.

FOOT physiology; HAND physiology; AGE distribution; CEREBRAL dominance; CHILDREN'S health; COMPARATIVE studies; POSTURAL balance; HAND; MOTOR ability; PSYCHOLOGY of movement; QUESTIONNAIRES; SEX distribution; BODY movement; DESCRIPTIVE statistics; CHILDREN

The aim of this study was to evaluate the effect of hand and foot preferences, sex and age on motor co-ordination (MC) in children. We evaluated the hand preference (HP) through the Card-reaching task (Carlier et al., 2006, adapted from Bishop et al., 1996) and the Dutch Handedness Questionnaire (Van Strien, 2002). Foot preference (FP) was evaluated inviting the subjects to kicking a ball (Hart & Gabbard, 1996). We applied the Movement Assessment Battery for Children MC test (Henderson & Sugden, 1992) to 319 children (7.96 ± 2.38 y). The results show that right handers have better performance on manual dexterity (MD) and ball skills (BS) with their preferred hand (PH). Left-handers perform better with their non-preferred hand (NPH) in MD and have a better static balance (SB) with your non-preferred foot (NPF). Girls had better MD with NPH and better SB with NPF. We observed a better MD performance with PH and NPH, BS with NPH and SB with the PF and NPF in the younger children. PHxAge and MpxAgexSex interactions were also verified. It can be concluded that the laterality, sex and age have significant effects on children MC. [ABSTRACT FROM AUTHOR]

Neste estudo pretendemos verificar o efeito da preferência manual (PM) e podal (PP), do sexo e da idade na coordenação motora (CM) em crianças. Para avaliar a PM aplicou-se a Card- reaching task (Carlier et al. 2006, adaptada de Bishop et al., 1996) e o Questionário de PM de Van Strien (2002). Para avaliar a PP recorreu-se à tarefa de pontapear uma bola (Hart & Gabbard, 1996). A CM foi avaliada através do Movement Assessment Battery for Children (M-ABC) de Henderson e Sugden (1992) em 319 crianças (7. 96±2.38 anos). Os resultados revelam que destrímanos possuem melhor desempenho na destreza manual (DM) e nas habilidades com bola (HB) com a sua mão preferida (Mp). Os sinis- trómanos apresentam melhor desempenho com a sua mão não preferida (MNp) na DM. As crianças com PP esquerda são melhores com o seu pénão preferido (PNp) no equilíbrio estático (EE). As meninas apresentaram melhor DM com a MNp e melhor EE com o PNp. Verificamos melhor desem- penho da DM com a Mp e MNp, das HB com a MNp e do EE com o pé preferido (Pp) e PNp nos mais novos. Verificou-se um efeito da interação PM×Idade e da PM×Idade×Sexo. Concluímos que a lateralidade, o sexo e a idade apresentam efeitos significativos na CM das crianças. [ABSTRACT FROM AUTHOR]

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