Ask the DoctorsHeart FailurePreventionRelated ConditionsSubscriber Only Ask The Doctors: June 2019 estaff Published: May 21, 2019 Updated: January 6, 2020 0 Print Email Facebook Twitter The American Heart Association recommends a minimum of 150 minutes of moderate activity or 75 minutes of vigorous activity weekly. Moderate is often defined as 50 to 70 percent of maximally predicted heart rate (MPHR); vigorous is 70 to 85 percent. To continue reading this article you must be a paid subscriber Subscribe Subscribe to Heart Advisor Get the next year of Heart Advisor for just $20. And access all of our online content - over 2,000 articles - free of charge. Subscribe today and save 38%. It's like getting 5 months FREE! Already Subscribed? Click Here to Sign In | Forgot your password?