. 2016 Apr 19;13:18. doi: 10.1186/s12970-016-0130-2

Table 3.

Analysis of the relative changes in the values of the root mean square (RMS) and the mean power frequency (MPF) of the EMG signal of biceps brachial muscle across the isometric muscle endurance task tested before Ramadan (S1), in the first week of Ramadan (S2), and in the fourth week of Ramadan (S3)

	RMS						MPF
	S1		S2		S3		S1		S2		S3
	R²	slope	R²	slope	R²	slope	R²	slope	R²	slope	R²	slope
Mean	0.665	0.014	0.521	0.009	0.539	0.012	0.952	−1.190	0.873	−0.933	0.939	−1.057
SD	0.278	0.008	0.335	0.008	0.327	0.007	0.071	0.680	0.095	0.623	0.066	0.586

Significant linear regression was found between EMG parameters (i.e., RMS and MPF) and time

Slope: slope of the linear regression between EMG parameters and time

SD standard deviation