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首页> 外文期刊>Applied Ergonomics >Ground reaction forces and plantar pressure distribution during occasional loaded gait
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Ground reaction forces and plantar pressure distribution during occasional loaded gait

机译：步态不连续时地面反作用力和足底压力分布

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摘要

This study compared the ground reaction forces (GRF) and plantar pressures between unloaded and occasional loaded gait. The GRF and plantar pressures of 60 participants were recorded during unloaded gait and occasional loaded gait (wearing a backpack that raised their body mass index to 30); this load criterion was adopted because is considered potentially harmful in permanent loaded gait (obese people). The results indicate an overall increase (absolute values) of GRF and plantar pressures during occasional loaded gait (p < 0.05); also, higher normalized (by total weight) values in the medial midfoot and toes, and lower values in the lateral rearfoot region were observed. During loaded gait the magnitude of the vertical GRF (impact and thrust maximum) decreased and the shear forces increased more than did the proportion of the load (normalized values). These data suggest a different pattern of GRF and plantar pressure distribution during occasional loaded compared to unloaded gait.
机译：这项研究比较了空载步态和不连续载步态之间的地面反作用力（GRF）和足底压力。记录了60名参与者的GRF和足底压力，这些姿势在空步和不连续的步态下（穿着背包将其身体质量指数提高到30）。之所以采用这种负荷标准，是因为它被认为对永久负荷步态（肥胖的人）有害。结果表明，在不规则的步态中，GRF和足底压力总体增加（绝对值）（p <0.05）;同样，观察到中足内侧和脚趾的标准化值（以总重量计）较高，而后足外侧区域的标准化值较低。在加载步态期间，垂直GRF的大小（冲击力和推力最大值）降低，并且剪力的增加幅度大于负载比例（标准化值）。这些数据表明，与不带步态的步态相比，偶有带步态的GRF和足底压力分布模式不同。

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