Harry is a healthy man who is 30 years of age. using this information, calculate his approximate target heart rate zone for moderate-intensity physical activity.

Answer: 95 to 133 bpm

The equation for maximum heart rate would be:

max HR = 220 - age

max HR = 220-30 = 190

The equation to find the target for heart beat in medium intensity exercise would be:

target HR = max HR * 50-70% = 190 * 50-70% = 95 to 133 bpm