Korean J Sports Med.  2018 Sep;36(3):143-148. 10.5763/kjsm.2018.36.3.143.

Evaluation of Reliability of Tensiomyography Measurement

• Chai JH
• Kim BK
• Choi HJ
• Bae SW

• KMID: 2429212
• DOI: http://doi.org/10.5763/kjsm.2018.36.3.143

Abstract

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.

Keyword

Contraction time; Maximal displacement; Reliability; Tensiomyography

MeSH Terms

Humans
Male
Methods
Muscles
Palpation
Quadriceps Muscle
Thigh
Volunteers

Figure

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  Fig. 1. Composition of tensiomyography (TMG).

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  Fig. 2. Tensiomyography parameters. Tc: contraction time, Tr: relaxation time, Ts: sustain time, Td: delay time, Dm: maximal displacement.

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  Fig. 3. Tensiomyography measurements in (A) quadriceps and (B) hamstring muscles.

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