Portable, automated foot progression angle gait modification via a proof-of-concept haptic feedback-sensorized shoe

被引:16
|
作者
Xia, Haisheng [1 ]
Charlton, Jesse M. [2 ,3 ]
Shull, Peter B. [1 ]
Hunt, Michael A. [2 ,3 ]
机构
[1] Shanghai Jiao Tong Univ, Sch Mech Engn, State Key Lab Mech Syst & Vibrat, Shanghai, Peoples R China
[2] Univ British Columbia, Dept Phys Therapy, 212-2177 Wesbrook Mall, Vancouver, BC V6T 1Z3, Canada
[3] Univ British Columbia, Mot Anal & Biofeedback Lab, Vancouver, BC, Canada
基金
加拿大自然科学与工程研究理事会; 中国国家自然科学基金;
关键词
Gait modification; Knee osteoarthritis; Wearable sensing and feedback; KNEE ADDUCTION MOMENT; TOE-OUT GAIT; MEDIAL COMPARTMENT; OSTEOARTHRITIS; WALKING; REDUCE; PAIN; INDIVIDUALS; RELIABILITY; BIOFEEDBACK;
D O I
10.1016/j.jbiomech.2020.109789
中图分类号
Q6 [生物物理学];
学科分类号
071011 ;
摘要
Modifying the foot progression angle (FPA) is a non-pharmacological, non-surgical treatment option for knee osteoarthritis, however current widespread adoption has been limited by the requirement of laboratory-based motion capture systems. We present the first customized haptic feedback-sensorized shoe for estimating and modifying FPA during walking gait, which includes an electronic inertial and magnetometer module in the sole for estimating FPA, and two vibration motors attached to the medial and lateral shoe lining for providing vibrotactile feedback. Feasibility testing was performed by comparing FPA performance while wearing the haptic feedback-sensorized shoe with the training targets. Participants performed five walking trials with five randomly-presented FPA targets (10 degrees toe-in, 0 degrees, 10 degrees toe-out, 20 degrees toe-out, and 30 degrees toe-out) of 2 min each on a treadmill. Overall average FPA performance error across all conditions was 0.2 +/- 4.1 degrees, and the overall mean absolute FPA performance error across all conditions was 3.1 +/- 2.6 degrees. Reducing the size of the no-feedback window resulted in less performance error during walking. This study demonstrates that a novel haptic feedback-sensorized shoe can be used to effectively train FPA modifications. The haptic feedback-sensorized shoe could potentially be used for FPA gait modification outside of specialized camera-based motion capture laboratories as a conservative treatment for knee osteoarthritis or other related clinical applications requiring FPA assessment and modification in daily life. (C) 2020 Elsevier Ltd. All rights reserved.
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页数:7
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