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首页> 美国卫生研究院文献>Springer Open Choice >The relationship between a child’s postural stability and manual dexterity
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The relationship between a child’s postural stability and manual dexterity

机译：孩子的姿势稳定性和手巧之间的关系

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The neural systems responsible for postural control are separate from the neural substrates that underpin control of the hand. Nonetheless, postural control and eye-hand coordination are linked functionally. For example, a stable platform is required for precise manual control tasks (e.g. handwriting) and thus such skills often cannot develop until the child is able to sit or stand upright. This raises the question of the strength of the empirical relationship between measures of postural stability and manual motor control. We recorded objective computerised measures of postural stability in stance and manual control in sitting in a sample of school children (n = 278) aged 3–11 years in order to explore the extent to which measures of manual skill could be predicted by measures of postural stability. A strong correlation was found across the whole sample between separate measures of postural stability and manual control taken on different days. Following correction for age, a significant but modest correlation was found. Regression analysis with age correction revealed that postural stability accounted for between 1 and 10 % of the variance in manual performance, dependent on the specific manual task. These data reflect an interdependent functional relationship between manual control and postural stability development. Nevertheless, the relatively small proportion of the explained variance is consistent with the anatomically distinct neural architecture that exists for ‘gross’ and ‘fine’ motor control. These data justify the approach of motor batteries that provide separate assessments of postural stability and manual dexterity and have implications for therapeutic intervention in developmental disorders.
机译：负责姿势控制的神经系统与支撑手部控制的神经基质分开。尽管如此，姿势控制和眼手协调在功能上是联系在一起的。例如，精确的手动控制任务（例如，手写）需要稳定的平台，因此，直到孩子能够坐着或直立，这些技能通常无法发展。这就提出了一个问题，那就是姿势稳定性的度量与手动运动控制之间的经验关系的强度。我们在3-11岁的学龄儿童（n = 278）的样本中记录了姿势姿势稳定性和手动控制的客观计算机化测量，以探讨通过姿势测量可预测到的手动技能测量的程度稳定性。在整个样本中，在不同的姿势稳定性和手动控制措施之间存在很强的相关性。校正年龄后，发现显着但适度的相关性。带有年龄校正的回归分析表明，姿势稳定性占手动操作差异的1％至10％，具体取决于特定的手动任务。这些数据反映了手动控制和姿势稳定性发展之间相互依赖的功能关系。然而，相对较小的解释方差与“粗大”和“精细”运动控制中存在的解剖学上独特的神经结构相一致。这些数据证明了采用动力电池的方法是正确的，这种方法可以单独评估姿势的稳定性和手部敏捷性，并且对发育障碍的治疗干预具有重要意义。

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