Table 3.

Comparison of average pressure in lithotomy stirrups-1 and 2 (details by muscle, left and right)

Neutral position					Trendelenburg position					Trendelenburg position with tilting right down 10 degrees
Left		Lithotomy stirrups-1	Lithotomy stirrups-2	p value	Left		Lithotomy stirrups-1	Lithotomy stirrups-2	p value	Left		Lithotomy stirrups-1	Lithotomy stirrups-2	p value
	①	23.8±6.8	20.5±4.9	0.037		①	27.0±6.3	25.7±4.3	0.331		①	28.4±7.4	25.0±5.4	0.044
	②	21.2±6.5	18.0±5.4	0.045		②	25.0±6.4	23.1±4.2	0.168		②	23.5±7.3	20.2±6.1	0.065
	③	17.9±4.5	20..3±5.0	0.059		③	19.5±5.2	23.0±4.1	0.005		③	19.5±5.0	22.1±4.5	0.043
	④	22.0±5.1	18.6±5.0	0.036		④	25.0±6.8	23.2±3.8	0.224		④	27.6±7.3	23.8±4.8	0.022
	⑤	20.0±5.7	16.0±5.6	0.007		⑤	24.3±6.2	20.5±5.5	0.013		⑤	25.6±7.1	20.4±6.2	0.003
Right		Lithotomy stirrups-1	Lithotomy stirrups-2	p value	Right		Lithotomy stirrups-1	Lithotomy stirrups-2	p value	Right		Lithotomy stirrups-1	Lithotomy stirrups-2	p value
	①	25.8±6.0	18.1±4.2	<0.001		①	28.6±6.3	22.3±4.6	<0.001		①	28.3±6.6	23.7±4.3	0.002
	②	23.5±6.4	15.8±4.8	<0.001		②	26.0±7.1	19.8±4.9	<0.001		②	24.4±6.3	19.6±4.7	0.002
	③	20.3±5.9	17.4±5.3	0.048		③	21.8±5.5	19.9±5.1	0.174		③	21.2±5.8	20.6±4.7	0.068
	④	22.7±4.8	16.2±4.1	<0.001		④	25.7±4.6	20.5±4.2	<0.001		④	28.8±5.9	23.9±3.8	<0.001
	⑤	20.9±6.1	13.6±4.1	<0.001		⑤	23.6±5.3	17.7±4.6	<0.001		⑤	24.7±4.4	19.3±4.8	<0.001