Table 3: Comparison of the muscle thickness activation ratio of MF between the monitoring group and control group in 0, 4, and 8 weeks (mean ± SD).

Monitoring groupControl groupBetween-group value

LeftBaseline1.23 ± 0.041.25 ± 0.030.328
4 weeks1.33 ± 0.041.30 ± 0.040.013
8 weeks1.41 ± 0.051.37 ± 0.05≤0.001
Intragroup value (baseline vs 8 weeks)≤0.001≤0.001
Mauchly’s sphericity test W = 0.986 ()

RightBaseline1.25 ± 0.051.23 ± 0.050.117
4 weeks1.33 ± 0.051.32 ± 0.040.645
8 weeks1.41 ± 0.051.37 ± 0.050.002
Intragroup value (baseline vs 8 weeks)≤0.001≤0.001
Mauchly’s sphericity test W = 0.930 ()

Activation ratio = contraction thickness/relax thickness. Compared with baseline, .