The isoflavone group received daily 100mg of isoflavones.

The placebo group received 100mg containing starch of corn.

The training program consisted of aerobic and resisted combined physical exercises performed during 10 weeks, three times weekly with 45 minutes sessions: 5 minutes of warm-up on treadmill, 20 minutes of aerobic exercises and 20 minutes of resistance exercises.

The vaginal squeeze pressure was measured through Perineometer.To obtain the measurements, the subjects remained positioning and vaginal sensor was introduced into the vaginal cavity. The women were oriented and motivated verbally to perform three voluntary maximal contractions sustained for five seconds and one minute interval between them. Outcome Measure of the vaginal squeeze pressure is cmH20 or Pascal.

"PFM" evaluation was performed by vaginal palpation .During vaginal palpation the physiotherapist introduced the index and middle fingers about 4cm inside the vagina, and requested to hold the maximum contraction of the "PFM". Muscle function was classified by the Oxford Scale Modified that five grades of the force.

"PFM" electromyographic activity was collected during the resting to normalize the EMG data. No instruction regarding "PFM" contraction was given during the resting of the eight seconds. After, the volunteers were instructed to perform a maximal voluntary "PFM" contraction with the instruction to move "inward and upward" with the greatest possible force and to hold the contraction for five seconds. The women were oriented and motivated verbally to perform three voluntary maximal contractions sustained for five seconds and one minute interval between them.