Blood profile of opossums Didelphis aurita and D. albiventris of Sao ... by Casagrande, Renata Assis; de Oliveira Cesar, Marina; Horta, Mauricio Claudio; Rossi, Silmara; Teixei / Acta Scientiarum Biological Sciences (UEM).
Now youâre ready to determine your target training heart rate. As you exercise, periodically: Take your pulse on the inside of your wrist, on the thumb side. Use the tips of your first two fingers (not your thumb) to press lightly over the blood vessels on your wrist. Count your pulse for 10 seconds and multiply by 6 to find your beats per minute. You want to stay between 50 percent to 85 percent of your maximum heart rate. This range is your target heart rate. Know Your Numbers
Use these steps to check your heart rate during exercise: 1  Stop momentarily. 2  Take your pulse for 15 seconds. To check your pulse over your carotid artery, place your index and third fingers on your neck to the side of your windpipe. 3  Multiply this number by 4 to calculate your beats per minute.