Journal of The Korean Society of Physical Medicine

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Table. 4.

Table. 4.

Comparison of Changes in Muscle Activity and Muscle Fatigue for between Groups

Items Groups Pre-test M ± SD Post-test M ± SD F P’
%RVC Vastus Medialis E-groupⅠ 98.08 ± 0.34 100.58 ± 1.40 2.802 .138
E-groupⅡ 99.02 ± 1.15 102.87 ± 1.39
Vastus Lateralis E-groupⅠ 93.22 ± 0.75 95.94 ± 1.16 .011 .920
E-groupⅡ 95.12 ± 1.82 97.33 ± 1.91
MF (Hz) Vastus Medialis E-groupⅠ 97.22 ± 1.45 94.03 ± 1.86 7.259 .031*
E-groupⅡ 92.55 ± 2.70 91.62 ± 2.92
Vastus Lateralis E-groupⅠ 95.71 ± 3.17 92.02 ± 4.05 5.627 .049*
E-groupⅡ 92.34 ± 5.92 91.95 ± 4.82

‘ANCOVA

* p < .05

E-groupⅠ: Experimental groupⅠ, E-groupⅡ: Experimental groupⅡ

%RVC: %Reference voluntary contraction

MF: Median frequency

J Korean Soc Phys Med 2021;16:41-8 https://doi.org/10.13066/kspm.2021.16.1.41
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