Table 2: Muscle values normalized to MVC.

 

Muscle activation (%)

Mean

Max

Dorsal

16.08 ± 1.85

24.82 ± 5.00

Erector

16.25 ± 6.69

30.35 ± 7.31

External oblique

9.34 ± 2.87

62.47 ± 13.77

Pectoral

71.5 ± 20.61

105.24 ± 15.14

Upper trapezius

123.61 ± 10.66

200.41 ± 0.00

Lower trapezius

27.33 ± 4.15

46.68 ± 10.34

MVC = maximum voluntary contraction.