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首页> 外文期刊>Disability and rehabilitation. >Relationships between muscular torque and gait speed in chronic hemiparetic subjects.
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Relationships between muscular torque and gait speed in chronic hemiparetic subjects.

机译：慢性偏瘫患者的肌肉扭矩与步态速度之间的关系。

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PURPOSE: To identify which paretic and non-paretic muscular groups of the lower limbs were the best predictors of gait speed in chronic hemiparetic subjects. METHOD: Twelve hemiparetic subjects with ages ranging from 65 to 75 years (70.67 +/- 3.31 years) were included in this cross-sectional study. All participants had time since onset of stroke of at least six months and the ability to walk independently. Main outcome measures included self-selected gait speed and maximum isometric torques of both the paretic and non-paretic lower limbs. Pearson's correlation coefficients and stepwise regression analysis were employed to investigate the level of associations between the outcome variables. RESULTS: Mean gait speed was 0.65 +/- 0.33 ms(-1). There were significant differences (p < 0.01) in torques values between paretic and non-paretic lower limbs for all assessed muscular groups. Stepwise regression analysis revealed that the most important independent variable for predicting gait speed was the isometric torque of paretic knee flexors ([image omitted] ). No significant associations were found between any torque values of the non-paretic side and gait speed. CONCLUSIONS: The paretic knee flexors were shown to play an important role in predicting gait speed after stroke, but no influences were found for the muscular groups of the non-paretic side. Therefore, findings of the present study suggest that paretic knee flexors torque should be addressed in rehabilitation programmes aiming to improve gait speed after stroke.
机译：目的：确定下半身哪些运动和非运动肌肉群是慢性偏瘫患者步态速度的最佳预测指标。方法：该横断面研究纳入了十二名偏瘫患者，年龄在65至75岁（70.67 +/- 3.31岁）之间。自中风发作以来，所有参与者都有至少六个月的时间，并且能够独立行走。主要结局指标包括自行选择的步态速度和坐式和非坐式下肢的最大等距扭矩。皮尔逊相关系数和逐步回归分析用于研究结果变量之间的关联水平。结果：平均步态速度为0.65 +/- 0.33 ms（-1）。在所有评估的肌肉群中，paretic和非paretic下肢的扭矩值存在显着差异（p <0.01）。逐步回归分析显示，预测步态速度最重要的独立变量是膝关节屈肌等距扭矩（[图像省略]）。在非前腿一侧的任何扭矩值与步态速度之间均未发现明显关联。结论：假性膝屈肌在预测中风后步态速度中起重要作用，但对非假性肌侧肌肉群没有影响。因此，本研究的结果表明，应在旨在提高中风后步态速度的康复计划中解决膝屈肌扭转的问题。

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