Influence of Restricting the Ankle Joint Complex Motions on Gait Stability of Human Body_Journal of Biomedical Engineering

Authors：

LIYang ^1,2,3 ,  ZHANGJunxia ^1,3 , SUHailong ^1,3 , WANGXinting ^1,3 , ZHANGYan ^1,3

1. School of Mechanical Engineering, Tianjin University of Science and Technology, Tianjin 300222, China;
2. School of Fine Arts, Tianjin University of Technology, Tianjin 300384, China;
3. Tianjin Key Laboratory of Integrated Design and On-line Monitoring for Light Industry & Food Machinery and Equipment, Tianjin University of Science and Technology, Tianjin 300222, China;

Corresponding author：

ZHANGJunxia, Email: zjx@tust.edu.cn

Keywords：

gait analysis; ankle joint complex; motion; stability

DOI：

10.7507/1001-5515.20160140

Video：

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The purpose of this study is to determine how restricting inversion-eversion and pronation-supination motions of the ankle joint complex influences the stability of human gait. The experiment was carried out on a slippery level ground walkway. Spatiotemporal gait parameter, kinematics and kinetics data as well as utilized coefficient of friction (UCOF) were compared between two conditions, i.e. with restriction of the ankle joint complex inversion-eversion and pronation-supination motions (FIXED) and without restriction (FREE). The results showed that FIXED could lead to a significant increase in velocity and stride length and an obvious decrease in double support time. Furthermore, FIXED might affect the motion angle range of knee joint and ankle joint in the sagittal plane. In FIXED condition, UCOF was significantly increased, which could lead to an increase of slip probability and a decrease of gait stability. Hence, in the design of a walker, bipedal robot or prosthetic, the structure design which is used to achieve the ankle joint complex inversion-eversion and pronation-supination motions should be implemented.

Citation： LI Yang, ZHANG Junxia, SU Hailong, WANG Xinting, ZHANG Yan. Influence of Restricting the Ankle Joint Complex Motions on Gait Stability of Human Body. Journal of Biomedical Engineering, 2016, 33(5): 867-872. doi: 10.7507/1001-5515.20160140 Copy

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1. VITECKOVA S, KUTILEK P, JIRINA M. Wearable lower limb robotics:A review[J]. Biocybernetics and Biomedical Engineering, 2013, 33(2):96-105.
2. WANG Q, HUANG Y, ZHU J, et al. Effects of foot shape on energetic efficiency and dynamic stability of passive dynamic biped with upper body[J]. International Journal of Humanoid Robotics, 2010, 7(2):295-313.
3. MEHRHOLZ J, POHL M. Electromechanical-assisted gait training after stroke:a systematic review comparing end-effector and exoskeleton devices[J]. Journal of Rehabilitation Medicine, 2012, 44(3):193-199.
4. DARIO P, GUGLIELMELLI E, ALLOTTA B, et al. Robotics for medical applications[J]. IEEE Robotics and Automation Magazine, 1996, 3(3):44-56.
5. SRINIVASAN S, RAPTIS I A, WESTERVELT E R. Low-dimensional sagittal plane model of normal human walking[J]. J Biomech Eng, 2008, 130(5):51-60.
6. LEVINGER P, MURLEY G S, BARTON C J, et al. A comparison of foot kinematics in people with normal-and flat-arched feet using the Oxford Foot Model[J]. Gait Posture, 2010, 32(4):519-523.
7. MARGATETA N, VICTOR H F. Basic biomechanics of the musculoskeletal system[M]. 3rd ed. New York:Lippincott Williams & Wilkins, 2001:223-226, 444-446.
8. MILLARD M, KUBICA E, MCPHEE J. Forward dynamic human gait simulation using a SLIP target model[J]. Procedia IUTAM, 2011, 2(2):142-157.
9.
10. ZHANG Junxia, SI Ying, ZHANG Yan, et al. The effects of restricting the flexion-extension motion of the first metatarsophalangeal joint on human walking gait[J]. Biomed Mater Eng, 2014, 24(6):2577-2584.
11. CHANG W R, MATZ S, CHANG C C. A comparison of required coefficient of friction for both feet in level walking[J]. Saf Sci, 2012, 50(2):240-243.
12. 张峻霞, 曹琳, 苏海龙, 等.基于足-地接触力的滑跌概率预测模型研究[J].高技术通讯, 2012, 22(9):951-956.
13. BURNFIELD J M, POWERS C M. Prediction of slips:an evaluation of utilized coefficient of friction and available slip resistance[J]. Ergonomics, 2006, 49(10):982-995.
14. HANSON J P, REDFERN M S, MAZUMDAR M. Predicting slips and falls considering required and available friction[J]. Ergonomics, 1999, 42(12):1619-1633.
15. 张峻霞, 司莹, 苏海龙, 等.湿滑环境下第一跖趾关节弯曲对人体行走步态稳定性的影响[J].生物医学工程学杂志, 2015, 32(1):38-42.

Journal of Biomedical Engineering

Influence of Restricting the Ankle Joint Complex Motions on Gait Stability of Human Body

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