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Spatial and temporal analysis center of pressure displacement during adolescence: Clinical implications of developmental changes

机译：青春期期间的空间和时间分析中心压力位移：发育变化的临床意义

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This study aimed to provide insight into the development of postural control abilities in youth. A total of 276 typically developing adolescents (155 males, 121 females) with a mean age of 13.23 years (range of 7.11-18.80) were recruited for participation. Subjects performed two-minute quiet standing trials in bipedal stance on a force plate. Center of pressure (COP) trajectories were quantified using Sample Entropy (SampEn) in the anterior-posterior direction (SampEn-AP), SampEn in the medial-lateral direction (SampEn-ML), and Path Length (PL) measures. Three separate linear regression analyses were conducted to predict the relationship between age and each of the response variables after adjusting for individuals' physical characteristics. Linear regression models showed an inverse relationship between age and entropy measures after adjusting for body mass index. Results indicated that chronological age was predictive of entropy and path length patterns. Specifically, older adolescents exhibited center of pressure displacement (smaller path length) and less complex, more regular center of pressure displacement patterns (lower SampEn-AP and SampEn-ML values) compared to the younger children. These findings support prior studies suggesting that developmental changes in postural control abilities may continue throughout adolescence and into adulthood.
机译：本研究旨在介绍青年中的姿势控制能力的发展。共有276名通常发展青少年（155名男性，121名女性），平均年龄为13.23岁（范围为7.11-18.80）。受试者在力板上进行两分钟安静的静态试验，在一块力板上。压力中心（COP）轨迹在前后方向（Sampen-AP）中使用样品熵（Sampen）进行量化，夹在内侧 - 横向（夹持-ml）中，以及路径长度（PL）测量。进行三个单独的线性回归分析以在调整个人物理特征后预测年龄与每个响应变量之间的关系。线性回归模型在调整体重指数后，年龄和熵措施之间的逆关系。结果表明，年代年龄是预测熵和路径长度模式的预测。具体而言，与年幼的儿童相比，较旧的青少年表现出压力位移（小路径长度）和更不常规的压力位移模式（降低幅度-AP和苏打物毫升值）的中心。这些发现支持先前的研究表明姿势控制能力的发育变化可能在整个青春期和成年期中持续。

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