Fig 1.
The participant held the arm at 90-degree scpation elevation during TMS assessment.
Fig 2.
A typical motor-evoked potential of upper trapezius.
Table 1.
Demographic data of participants (mean ± SD).
Table 2.
Comparisons of corticospinal excitability between the SIS and comparison groups (mean ± SD).
Fig 3.
The COG in the SIS and comparison groups.
Red triangle: SIS group; blue circle: Comparison group. (A) upper trapezius; (B) serratus anterior.