Abstract
The aim of this study was to determine the effects of upper limb muscle fatigue on gait stability. Two groups, namely the fatigue group and the non-fatigue group, were recruited. In the fatigue group, upper limb fatigue was induced by repetitive lifting exercises. Right after fatiguing exercises, walking trials were conducted. Participants from the non-fatigue control group were only involved in walking trials. Kinematic data such as step length, step width, gait variability, gait velocity, heel contact velocity and knee flexion velocity were extracted for gait analysis after post processing. Results showed that upper limb fatigue had led to increase in both heel contact velocity and step length variability mean values, suggesting that upper-limb fatigue is detrimental to stability and could lead to slip-induced falls.
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Acknowledgements
This work is supported in part by the National Natural Science of Foundation of China (Grant #31570944), Natural Science Foundation of Guangdong Province of China (Grant #2015A030313553) and Shenzhen Science, Technology, and Innovation Council (Grant # JCYJ20150525092940994).
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Qu, X. (2019). Effects of Upper Limb Fatigue on Gait Stability. In: Goonetilleke, R., Karwowski, W. (eds) Advances in Physical Ergonomics & Human Factors. AHFE 2018. Advances in Intelligent Systems and Computing, vol 789. Springer, Cham. https://doi.org/10.1007/978-3-319-94484-5_51
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DOI: https://doi.org/10.1007/978-3-319-94484-5_51
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