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    How often to STS?

    How often should I do the 3 month round of STS? I have completed it twice, and cannot really figure out how to incorporate more of Cathe's weightlifting DVD's. Any suggestions?
  2. T

    Severe muscle cramps

    Cathe, I have been doing the STS program and using the HIIT and other of your aerobic DVD's for months, and I am getting sever muscle cramps, in my legs, abs, all over. My toes will curl in the middle of the night and I have to get out of bed in severe pain to work it out. Is this normal?
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