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보행 중 유발되는 인체 좌우 불균형 개선을 위한 스마트 인솔 개발

The Development of Smart Insole for Improvement of Human Body Imbalance during Walking

Journal of the Korean Society for Precision Engineering 2018;35(1):53-59.
Published online: January 1, 2018

1 전북대학교 바이오메디컬공학부

2 ㈜제윤메디컬 연구소

1 Division of Biomedical Engineering, Jeonbuk University

2 Research Institute, Jeyun Medical Co., Ltd.

#E-mail: kwon10@jbnu.ac.kr, TEL: +82-63-270-4066
• Received: November 27, 2017   • Revised: December 24, 2017   • Accepted: December 26, 2017

Copyright © The Korean Society for Precision Engineering

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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  • STUDY ON VISION-BASED MULTIDIRECTIONAL POSTURE AND MOTION ANALYSIS SYSTEM DEVELOPMENT
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The Development of Smart Insole for Improvement of Human Body Imbalance during Walking
J. Korean Soc. Precis. Eng.. 2018;35(1):53-59.   Published online January 1, 2018
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J. Korean Soc. Precis. Eng.. 2018;35(1):53-59.   Published online January 1, 2018
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The Development of Smart Insole for Improvement of Human Body Imbalance during Walking
Image Image Image Image Image Image Image Image Image Image
Fig. 1 Isokinetic joint torque test for estimating the muscle strength imbalance ((a): knee joint, (b): ankle joint)
Fig. 2 Developed the smart insole system configuration ((a) FPCB based FSR sensor product, (b) integrated control board, (c) balance insole test screen)
Fig. 3 Block diagram of experimental procedure
Fig. 4 The estimation of muscular activity and foot pressure for evaluating the muscle strength imbalance in gait environment ((a) EMG test, (b) Real-Time foot pressure test)
Fig. 5 The %MVIC result of muscular activity difference according to muscle strength imbalance during gait (RF: rectus femoris, BF: biceps femoris, TA: tibialis anterior, GN: gastrocnemius, mean ± SD, *p < 0.05)
Fig. 6 The %MVIC result of muscular activity difference according to sound feedback stimulus for muscle imbalance gait (RF: rectus femoris, BF: biceps femoris, TA: tibialis anterior, GN: gastrocnemius, mean ± SD, *p < 0.05)
Fig. 7 The result of foot pressure difference according to muscle strength imbalance during gait (mean ± SD, *p < 0.05)
Fig. 8 The result of foot pressure difference according to sound feedback stimulus for muscle strength imbalance during gait (mean ± SD, *p < 0.05)
Fig. 9 The result of FSR data difference according to muscle strength imbalance during gait (mean ± SD, *p < 0.05)
Fig. 10 The result of FSR data difference according to sound feedback stimulus for muscle strength imbalance during gait (mean ± SD, *p < 0.05)
The Development of Smart Insole for Improvement of Human Body Imbalance during Walking

The physical information of participants

(M= 10-males, F= 5-females in group)

Balance group Imbalance group
Age(yr) M= 22.0 ± 1.5
F= 22.0 ± 2.1
M= 22.0 ± 2.3
F= 22.0 ± 1.9
Height(cm) M= 175.0 ± 1.1
F= 160.0 ± 1.6
M= 175.0 ± 2.1
F= 160.0 ± 0.7
Weight(kg) M= 70.0 ± 2.9
F= 50.0 ± 1.6
M= 70.0 ± 3.3
F= 50.0 ± 2.1
Difference ratio
of knee torque (%)
M= 9.11 ± 1.63
F=7.52 ± 2.11
M= 22.51 ± 3.21
F= 21.75 ± 2.50
Difference ratio
of ankle torque (%)
M= 8.31 ± 0.22
F= 8.70 ± 3.23
M= 23.75 ± 1.95
F= 25.65 ± 2.55
Table 1 The physical information of participants (M= 10-males, F= 5-females in group)