Perceptual-motor organization of children's catching behaviour under different postural constraints

被引:13
作者
Savelsbergh, GJP [1 ]
Bennett, SJ
Angelakopoulos, GT
Davids, K
机构
[1] Manchester Metropolitan Univ, Inst Biophys & Clin Res Human Movement, Manchester M15 6BH, Lancs, England
[2] Vrije Univ Amsterdam, Fac Human Movement Sci, Inst Fundamental & Clin Human Movement Sci, NL-1081 HV Amsterdam, Netherlands
[3] UMIST, Manchester M60 1QD, Lancs, England
[4] Univ Otago, Sch Phys Educ, Otago, New Zealand
关键词
perceptual-motor organization; timed movement; postural constraints;
D O I
10.1016/j.neulet.2004.10.011
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
The experiment investigates the perceptual-motor organization underlying children's catching performance when the demands on the postural system are varied. For this purpose, one-handed catching performance was observed under different postural constraints in children aged 9-10 years. Two groups of eleven participants. classified as either good or poor catchers. performed one-handed catches under three different postural conditions: standing. sitting, and standing while pressing a button Positioned to a postural support aid (PSA). Results revealed, first, that when seated. poor catchers approached the level of the good catchers performance. Second. poor catchers improved their performance by using the PSA. but not to the same performance as when sitting. Third. there was no effect of postural condition on the performance of the good catchers. The performance increase in the poor catchers is attributable to a combined change in functional postural sway and better tinted movement of the catching hand, made possible by exploiting the extra surface support area afforded by sittiing. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码:153 / 158
页数:6
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