Kyoung-Yeol Jeong, A.T., M.Sc.⋅Tae-Gyu Kim, P.T., Ph.D.⋅Seong-Hwan Moon, P.T., M.Sc.⋅Soo-Yong Kim, P.T., Ph.D.⋅Il-Young Yu, P.T., Ph.D.. PNF and Movement 2026;24:85-100. https://doi.org/10.21598/JKPNFA.2026.24.1.85
Jeong et al. (Thu,) studied this question.