<qa>  What isoflavone equivalent isoflavone?Comparisons: Four groups are being compared: 1 Exercise training i.e. weight lifting 2 times per week and walking 4 times per week plus soy isoflavone 90 mg aglycone equivalents per day; 2 Exercise training plus placebo; 3 Exercise placebo flexibility exercises four times per week plus soy isoflavone; 4 Exercise placebo plus placebo. 