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
When taking your pulse: 1  Using the first and second fingertips, press firmly but gently on the arteries until you feel a pulse. 2  Begin counting the pulse when the clock's second hand is on the 12. 3  Count your pulse for 60 seconds (or for 15 seconds and then multiply by 4 to calculate beats per minute).