The answer would be : Chest strap
In order to monitor your Target heart Rate Zone, the most common method is by using a heart monitor (the portable device) to measure your heart rate during various types of activities. In order to keep the heart monitor in place during the your activities you could use a Chest Strap.
All jokes aside I love your kurmui pfp!!
I think it is<span> D. Adults need about 2 grams of protein for every 5 pounds of body weight.
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