Table 1.

A summary of the meta-analytical statistics for intervention effect and frequency differences

	Overall effect	Z	p	95% CI	Tau2	I2 (%)	p
Pre- vs post-intervention
Upper body	0.323	3.674	< 0.001	0.151–0.495	< 0.001	0.00	0.983
Lower body	0.562	6.309	< 0.001	0.387–0.737	< 0.001	0.00	0.881
Lower vs higher frequency
Upper body	0.088	0.667	0.505	− 0.171–0.348	< 0.001	0.00	0.990
Lower body	0.061	0.453	0.651	− 0.202–0.323	< 0.001	0.00	0.851

Z z score, CI confidence interval