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首页> 外文期刊>Journal of Biomechanics >Do patients with diabetic neuropathy use a higher proportion of their maximum strength when walking?
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Do patients with diabetic neuropathy use a higher proportion of their maximum strength when walking?

机译：患有糖尿病神经病变的患者在行走时使用更高的最大强度比例吗？

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Diabetic patients have an altered gait strategy during walking and are known to be at high risk of falling, especially when diabetic peripheral neuropathy is present. This study investigated alterations to lower limb joint torques during walking and related these torques to maximum strength in an attempt to elucidate why diabetic patients are more likely to fall. 20 diabetic patients with moderate/severe peripheral neuropathy (DPN), 33 diabetic patients without peripheral neuropathy (DM), and 27 non-diabetic controls (Ctrl) underwent gait analysis using a motion analysis system and force plates to measure kinetic parameters. Lower limb peak joint torques and joint work done (energy expenditure) were calculated during walking. The ratio of peak joint torques and individual maximum joint strengths (measured on a dynamometer) was then calculated for 59 of the 80 participants to yield the 'operating strength' for those participants. During walking DM and DPN patients showed significantly reduced peak torques at the ankle and knee. Maximum joint strengths at the knee were significantly less in both DM and DPN groups than Ctrls, and for the DPN group at the ankle. Operating strengths were significantly higher at the ankle in the DPN group compared to the Ctrls. These findings show that diabetic patients walk with reduced lower limb joint torques; however due to a decrement in their maximum ability at the ankle and knee, their operating strengths are higher. This allows less reserve strength if responding to a perturbation in balance, potentially increasing their risk of falling. (C) 2014 Elsevier Ltd. All rights reserved.
机译：糖尿病患者在步行过程中具有改变的步态策略，并且已知在跌倒的高风险，特别是当存在糖尿病外周神经病变时。本研究在行走期间调查了对下肢关节扭矩的改变，并将这些扭矩与最大强度相关，以阐明糖尿病患者更容易跌倒的原因。 20例糖尿病患者中度/严重周围神经病变（DPN），33名没有周围神经病变（DM）的糖尿病患者，以及使用运动分析系统和力板进行动态分析的27例非糖尿病对照（CTRL）以测量动力学参数。步行期间计算下肢峰值联合扭矩和联合工作（能源支出）。然后计算80名参与者中59名参与者的59个参与者的59个峰值关节扭矩和单个最大关节强度（测量）的比率，以产生这些参与者的“运营实力”。在步行DM期间，DPN患者在踝关节和膝盖处显示出显着减少的峰值扭矩。 DM和DPN组的膝关节的最大关节强度比CTRLS和踝关节的DPN组显着较小。与Ctrls相比，DPN组中的脚踝在DPN组中的操作强度显着高。这些研究结果表明，糖尿病患者走过降低的下肢关节扭矩;然而，由于踝关节和膝关节的最大能力递减，它们的操作强度较高。如果响应平衡的扰动，这允许更少的保留力量，可能会增加其堕落的风险。 （c）2014年elestvier有限公司保留所有权利。

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