Effect of Core Stability Training Monitored by Rehabilitative Ultrasound Image and Surface Electromyogram in Local Core Muscles of Healthy People

Table 5

Comparison of the IEMG of MF between the monitoring group and control group in 0, 4, and 8 weeks (uV, mean ± SD).

		Monitoring group	Control group	Between-group value
Left	Baseline	41.94 ± 2.88	41.73 ± 2.60	0.769
	4 weeks	48.12 ± 3.32	46.30 ± 3.32	0.038
	8 weeks	57.00 ± 3.32	51.45 ± 3.34	≤0.001
Intragroup value (baseline vs 8 weeks)		≤0.001	≤0.001
Mauchly’s sphericity test W = 0.924 ()
Right	Baseline	41.58 ± 3.62	42.40 ± 3.19	0.355
	4 weeks	48.53 ± 3.80	46.05 ± 3.85	0.015
	8 weeks	57.10 ± 4.72	52.95 ± 4.48	≤0.001
Intragroup value (baseline vs 8 weeks)		≤0.001	≤0.001
Mauchly’s sphericity test W = 0.977 ()

Compared with baseline, .