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Jongmin Lim,KiMai Um,Jungjin Kim 대한스포츠물리치료학회 2019 정형스포츠물리치료학회지 Vol.15 No.1
Purpose: This study investigated the effects of the newly-developed high-frequency stimulation over knee on physiological characteristics of quadriceps (QM) and hamstring (HM) muscles. Methods: Ten healthy participants were participated in the study (average age: 49.3). Each participant received the high-frequency stimulation over both knees over three times a week during a total of two weeks. We measured the physiological characteristics of muscle tissue of QM and HM, including muscle tone (F), dynamic stiffness (S), and elasticity (D) by a Myoton device at pre and post-stimulation. Results: As a result, the elasticity of right HM was showed significant differences between pre- and post-stimulation (P=0.006). Conclusion: We conclude that the high-frequency stimulation over both knee may evoke the physiological changes in knee muscles.