Impact of Different Body Positions on Bioelectrical Activity of the Pelvic Floor Muscles in Nulliparous Continent Women

Table 2

Average time before peak of the rectus abdominis and transversus abdominis in lying, sitting, and standing during 5 repeated short (quick flick) voluntary pelvic floor muscles contractions.

		Muscles
Position		Pelvic floor muscles		Rectus abdominis		Transversus abdominis
		Mean (s)	SD	Mean (s)	SD	Mean (s)	SD
Average time before peak (s)
Lying	19	0.39	0.18	0.32	0.18	0.32	0.15
Sitting	19	0.3	0.12	0.19	0.11	0.33	0.24
Standing	19	0.36	0.13	0.28	0.09	0.3	0.16
(lying/standing/sitting)
(lying/sitting)		0.1		0.088		0.99
(lying/standing)		0.71		0.76		0.93
(standing/sitting)		0.4		0.3		0.91

: Friedman’s ANOVA.
: Tukey’s post hoc test.