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Personal Heart Rate Monitors and Aerobics. During aerobic exercise such as running or biking, oxygen is taken into your body and delivered to your body cells. How effectively that happens is a measure of your aerobic fitness.
This site is marked private by its owner. If you already have both of these, great! البريد الإلكتروني أو اسم المستخدم. Rarr; الرجوع إلى WordPress.