Difference between revisions of "User talk:Dbb213bs"
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Revision as of 01:53, 6 May 2012
Then, you decide and tell the F11 what you want to do: improve, maintain, or maximize your fitness level. A heart rate monitor must be used to prevent strain and stress. People who swim must also keep an eye on their heart rate just like everyone else who exercises.
My Webpage: heart rate monitor
