Biomechanical Task-Based Gait Analysis Suggests ReWalk Gait Resembles Crutch Gait

被引:5
作者
Kim, Jaewook [1 ]
Kim, Yekwang [1 ]
Kim, Seung-Jong [1 ]
机构
[1] Korea Univ, Dept Biomed Engn, Coll Med, Seoul 02841, South Korea
来源
APPLIED SCIENCES-BASEL | 2022年 / 12卷 / 24期
关键词
exoskeleton; gait; electromyography; rehabilitation; kinematics; PARKINSONS-DISEASE; STROKE PATIENTS; REHABILITATION; THERAPY; WALKING; DEVICES;
D O I
10.3390/app122412574
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Current gait rehabilitation strategies rely heavily on motor learning principles, which involve facilitating active patient participation, high-doses of biomechanical task-related motor activities and accurate feedback. Furthermore, appropriate muscle groups need to be recruited for the joint movements that constitute the biomechanical task-related activities in order to effectively promote motor learning. Recently, exoskeleton-type robots utilizing crutches have been incorporated into overground gait rehabilitation programs. However, it is unclear which gait-related tasks are being trained because the joint movements and muscle recruitment patterns deviate from those of natural gait. This raises concerns because repetitive training with these devices may not lead to desirable rehabilitative gains. In this study, we compare the lower limb joint angles and electromyography patterns of healthy subjects walking with and without ReWalk in accordance with the three major biomechanical tasks required by bipedal gait: weight acceptance (WA), single-limb support, and limb advancement. Furthermore, we investigate whether the physical constraints of ReWalk, most noticeably the use of crutches and fixed ankle joints, were responsible for the specific changes by conducting additional walking sessions with either crutches or ankle foot orthoses. The results from the six healthy male volunteers suggest that the gait patterns observed with ReWalk deviate significantly from those of natural gait, particularly during the WA, and closely resemble those of crutch gait.
引用
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页数:11
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