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首页> 外文期刊>Journal of prosthetics and orthotics: JPO >Effect on Stance Phase Timing Asymmetry in Individual! with Amputation Using Hydraulic Ankle Units
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Effect on Stance Phase Timing Asymmetry in Individual! with Amputation Using Hydraulic Ankle Units

机译:对个体姿态相位定时不对称的影响!使用液压脚踝装置进行截肢术

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Background: Ever since their release, prosthetic feet with integrated hydraulic ankle units have proved a popular prescription choice among individuals with amputation, as quantified in previous studies. One theory is that these types of prosthetic feet lead to a more symmetrical gait pattern. To assess this, we decided to evaluate one of the parameters of gait, the duration of stance phase, and the difference in dominant and nondominant sides.Materials and Methods: A mixture of 22 K2 and K3 individuals with amputation (US Centers for Medicare & Medicaid Services activity level scale) who were due to have their prosthetic feet upgraded to a foot with hydraulic ankle unit as part of their existing treatment had their gait assessed on the pressure plate to establish the difference in stance phase duration between their dominant and nondominant foot. The patients were then reassessed on the pressure plate after a 4-week trial on the feet with hydraulic ankle units. The difference in stance phase durations was again measured and compared with the initial readings. Results: Of the 22 patients assessed, 6 were removed from the case series because of rejection of the device or incompatibility with the pressure measurement equipment. Of the remaining 16 patients, the difference in stance phase timing increased in 2 patients, remained unchanged in 2 patients, and decreased for the other 12 patients.Conclusion: The results showed a statistically significant reduction in asymmetry of stance phase duration when using prostheses that included a foot with a hydraulic ankle unit. This improvement was irrespective of the patients' activity level.
机译:背景:自从其发布以来,集成液压踝关节单元的假脚被证明是截肢患者中流行的处方选择,如先前的研究中所定量的。一种理论认为,这些类型的假足会导致步态更加对称。为了评估这一点,我们决定评估步态参数,站立阶段的持续时间以及优势和非优势方面的差异。材料与方法:22名K2和K3截肢患者的混合物(美国医疗保险中心医疗补助服务活动水平量表),由于其现有治疗的一部分将其假肢脚升级为带液压踝的脚,因此在压力板上评估了步态,以确定其显性脚和非显性脚在站立阶段持续时间的差异。在为期4周的带有液压踝关节装置的脚部试验之后,患者在压力板上进行了重新评估。再次测量站立阶段持续时间的差异,并将其与初始读数进行比较。结果:在评估的22例患者中,有6例由于设备拒绝使用或与压力测量设备不兼容而被排除在病例系列之外。在其余16例患者中,有2例患者的站立姿势时相差异增加,有2例患者保持不变,而其他12例患者则减小了。结论:结果表明,使用假肢时,站立姿势阶段持续时间的不对称性有统计学意义包括带有液压脚踝单元的脚。这种改善与患者的活动水平无关。

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