Table 2.

Frequency of maximum pressure applied, according to type of muscle, lithotomy stirrups, and left and right side

		Lithotomy stirrups-1	Lithotomy stirrups-2
Left	① Central soleus muscle	46	49	P<0.001
	②④ Gastrocnemius muscle	18	16
	③Distal soleus muscle	3	21*
	⑤Proximal soleus muscle	23	4*
Right	① Central soleus muscle	54	41	P<0.001
	②④ Gastrocnemius muscle	23	26
	③Distal soleus muscle	1	17**
	⑤Proximal soleus muscle	12	5**

*Significant difference by residual analysis