Heart rate monitors can be a useful tool during exercise for new and experienced runners and other athletes. Monitors can be worn as a strap across the chest, on the wrist and even on the head, and by measuring your heart rate can help you exercise at the right intensity.
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Track helps tone your legs and improve leg power
basketball helps strengthen and tone your shoulders triceps and biceps
jumping rope helps your heart because of the cardio
Body Cavities is it since it enclosed the bladder