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Rehabilitation Practice and Science

Translated Title

偏癱中風患者以拐杖助行之步態分析

Abstract

The purpose of this study is first to analyze the temporal-stride parameters and forces applied on the cane, and both feet in stroke patients walking with cane-assistance. Three force plates, six cam-eras, and an instrumented cane were integrated to conduct an analysis of the cane-assisted gait of 15 hemiplegic patients. Temporal-stride parameters, and peak vertical, anterior (propulsive)-posterior (braking) and lateral shear forces, and propulsive-breaking impulses, were analyzed.All patients walked with a relatively slow walking speed, the average is 16.1 cm/sec, ranging from 4.2 to 35.8 cm/s. The average step length is 38.2 cm. The triple and double support occupied most of the gait cycle (GC), while the single support occupied only 10.6% GC. Patients applied 12.3% body weight (BW) of average peak vertical forces (range: 6.9~25.3%BW) on the cane. The applied average lateral shear forces were 0.7%BW on the cane. They applied greater peak propulsive forces and impulses on the sound foot, while applying greater peak braking forces and impulses on the affected foot and cane. These results suggest stroke patients rely mostly on the sound limb for propulsion, while using the affected limb and cane for braking. A cane is better prescribed for stroke patients only when peak vertical cane forces are less than 25% BW. Data provided could be useful in understanding cane bio-mechanics and in planning therapeutic strategies.

Language

Traditional Chinese

First Page

221

Last Page

228

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