Abstract
Few quantitative analyses have been performed on muscle activation and gait function according to cane dependence. The purpose of this study was to measure changes in the lower limb muscle activation and gait function according to reduced cane dependence using a weight-bearing feedback cane (WBFC) that had been designed to quantitatively measure cane dependence in stroke patients during walking. Twenty-four subjects were recruited from a local rehabilitation hospital. The WBFC measured the average weight support (AWS, kg) loaded on the cane during walking through a Bluetooth connection to laptop software. All subjects walked 20 m using a WBFC set in the three levels of weight support (WSR, 100%, 60%, and 20%) based on the measured AWS. Paretic lower limb muscle activation and gait function (velocity, cadence, paretic side stride length, and symmetry index) were measured using wireless surface EMG and a 3-axis accelerometer during walking. The paretic side lower limb muscle activation of the 20% WSR on the cane was significantly higher than that of the 100% WSR on the cane (p< 0.05). Gait functions of the 20% WSR on the cane were significantly lower than those of the 100% WSR on the cane (p< 0.05). These findings suggest that indiscreet weight support on the cane during walking can interfere with lower limb muscle activation and gait function. Therefore, in a clinical setting, reducing cane dependence during stroke gait training should be carefully considered.
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More From: Technology and health care : official journal of the European Society for Engineering and Medicine
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