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Retrospective Study
©The Author(s) 2022.
World J Clin Cases. Sep 26, 2022; 10(27): 9628-9640
Published online Sep 26, 2022. doi: 10.12998/wjcc.v10.i27.9628
Table 3 Amplitude of electromyographic and the ratio R of the trapezius
Left side
Right side
Descending portion
Horizontal portion
Ascending portion
Descending portion
Horizontal portion
Ascending portion
Before surgery288.25260.67187.33278.00186.00182.67
Three months after surgery130.00135.25132.50125.25141.25124.50
R3m0.550.480.290.550.240.32
Nine months after surgery182.35138.16129.36139.15179.38140.57
R9m0.370.470.310.500.040.23


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