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KMID : 1195020190150010065
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Archives of Orthopedic and Sports Physical Therapy
2019 Volume.15 No. 1 p.65 ~ p.70
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Physiological Changes in Muscle Tissue of Quadriceps and Hamstrings after Application of High-frequency Stimulation on Knee: Case-series study
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Lim Jong-Min
Um Ki-Mai
Kim Jung-Jin
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Abstract
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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.
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KEYWORD
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High-frequency stimulation, Myotone, Muscle Tissue
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