That is a good idea. But keep in mind that not all instructors know proper stretching or even emphasize dynamic stretching. For years I was used to our normal warm-up and static strectching in that warm-up. At a young age, it is probably okay, but for us older farts it is a different ball game. I believe now that dynamic stretching is the way to go for the warm-up. Since dynamic stretching is related to the kicking and striking we use in the MA. IMO..
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90 percent of good abs is your nutrition