Not this time. Just 24 minutes to get and keep the heart rate in the high 140s for 20 minutes. That's the recommendation for people in their 40s. Hee hee.
Sunday, November 21, 2010
Nov 21
Not this time. Just 24 minutes to get and keep the heart rate in the high 140s for 20 minutes. That's the recommendation for people in their 40s. Hee hee.
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