Effect of Acupuncture along Meridians on Pain Degree and Treatment of Acute Lumbar Sprain

Table 3

Comparison of emG inversion times and emG amplitude of the sacrospinalis muscle between the two groups ().

Groups	Cases	emG inversion times (times/s)		emG amplitude of sacrospinalis muscle (uV)
		Before intervention	After intervention	Before intervention	After intervention
The study group	48
The control group	48
t value		0.360	3.140	0.726	5.346
P value		0.720	0.002	0.470	0.000