Clinical Study

Distensibility and Strength of the Pelvic Floor Muscles of Women in the Third Trimester of Pregnancy

Table 3

Comparison between the findings on the modified Oxford scale between surface EMG during maximum voluntary contraction and Epi-no.

VariableModified Oxford scaleSignificance (P)
123

Median sEMG MVC (n)31.31 (6)37.09 (30)49.98 (24)0.008*
Median Epi-no (n)18.50 (6)18.75 (30)18.75 (24)0.785*

sEMG MVC: surface electromyography during maximum voluntary contraction.
*Kruskal-Wallis.