Lee, DongGeon, SoungKyun Hong, Kyeongbong Lee, and GyuChang Lee. 2021. “Analysis of the Lower Extremity Muscle Activity Depending on the Use of a Knee Aid in Elderly People With Osteoarthritis”. Journal of Human Sport and Exercise 16 (2):463-69. https://doi.org/10.14198/jhse.2021.162.20.