I have only done this 3 daysso far and my triceps are sore and my calf muscles as well--its only about 13 minutes of workout but somehow it manages to make my muscles work quite hard--try it out you may be surprised, any exercise is better than no exercise!!

I have only done this 3 daysso far and my triceps are sore and my calf muscles as well--its only about 13 minutes of workout but somehow it manages to make my muscles work quite hard--try it out you may be surprised, any exercise is better than no exercise!!

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