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KMID : 0359420180360030143
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Korean Journal of Sports Medicine
2018 Volume.36 No. 3 p.143 ~ p.148
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Evaluation of Reliability of Tensiomyography Measurement
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Chai Jung-Hoon
Kim Bo-Kyeong
Choi Hyuk-Jae
Bae Sang-Won
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Abstract
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Purpose: This study is designed to evaluate the reliability for studies of tensiomyography (TMG). TMG can evaluate muscle function noninvasively and selectively.
Methods: We measured 12 male volunteers (age, 26.5±7.6 years; height, 175.3±4.7 cm; weight, 78.8±13.3 kg) in this study and measured TMG during three occasions over 3 consecutive days. None of the participants has had any history of neuromuscular disorders or muscle diseases. Vastus lateralis, vastus medialis (VM), rectus femoris (RF) in quadriceps and biceps femoris, semitendinosus in hamstrings muscles were measured. Coefficient of variation (CV%) and intraclass correlation coefficient (ICC) have been calculated about maximal displacement (Dm, mm) and contraction time (Tc, ms) which are main parameters.
Results: Most of the ICC of Dm were over 0.8 and the highest among the muscles except both VM. And, most ICC of Tc was lower than Dm except both BF (right, 18.31; left, 15.03). But, the ICC of Tc was lower than Dm except left RF (0.890) and VM (0.859).
Conclusion: This study has shown that the Dm is high levels of the ICC and CV(%) in thigh muscle except VM. In the future, we plan to establish the method of measurement more clearly for reducing the errors of measurements. The technique of correct palpation of measurable muscles using TMG devices is also necessary.
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KEYWORD
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Contraction time, Maximal displacement, Reliability, Tensiomyography
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