The Metabolic Cost of Walking with a Passive Lower Limb Assistive Device

被引：2
|
作者：
Martin, Jean-Paul [1 ]
Li, Qingguo [1 ]
机构：
[1] Queens Univ, Biomech & Robot Lab, Kingston, ON K7K 4A4, Canada
来源：
WEARABLE SENSORS AND ROBOTS | 2017年 / 399卷
基金：
加拿大自然科学与工程研究理事会;
关键词：
Assistive device; Metabolic energy; Overground walking; Negative work assistance;
D O I：
10.1007/978-981-10-2404-7_24
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Lower limb assistive devices capable of augmenting metabolic performance have typically targeted the ankle joint during push off. Here, a lower limb passive assistive device was evaluated that instead helps the user by performing negative work about the knee joint at the end of swing. A pilot study (n = 8), where subjects walked overground at a self-selected speed, revealed that the device is capable of reducing metabolic energy expenditure equal to the amount of additional energy required to carry the weight of the device. The cost of transport (COT) walking with the assistive device (COT = 2.55 +/- 0.36 J/kg) showed no significant difference to normal walking (COT = 2.56 +/- 0.33 J/kg) without the device.
引用
收藏
页码：301 / 305
页数：5
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