Fletcher Allen, a Vermont university hospital and medical center, serves all of
Vermont and the northern New York region. Located in Burlington, Fletcher Allen is a regional, academic healthcare center and teaching hospital in alliance with the University of Vermont.
Exercise and the Risk of Coronary Artery Disease
Lack of exercise is a risk factor for developing coronary artery disease (CAD). Lack of physical activity can indirectly increase the risk of CAD, because it also increases the risk for diabetes and high blood pressure. Regular physical activity can help reduce your risk of CAD by helping you control cholesterol and blood pressure, regulate blood sugar (important for people with diabetes), and lose weight or stay at a healthy weight.1
Regular exercise is essential not only for preventing CAD but also for improving your overall heart health.
It also is possible that regular physical activity increases the number of smaller blood vessels that connect different coronary arteries. If one of the major coronary arteries is suddenly blocked, these collateral blood vessels serve as an alternate route to supply blood to the portion of the heart muscle threatened by a heart attack.
- Exercise doesn't have to be difficult. Any activity that raises your heart rate can be considered exercise, such as walking, cycling, swimming, gardening, or dancing.
- Try to do moderate exercise at least 2½ hours a week. One way to do this is to be active 30 minutes a day, at least 5 days a week. Or try to do vigorous activity at least 1¼ hours a week.2 One way to do this is to be active 25 minutes a day, at least 3 days a week. It's fine to be active in blocks of 10 minutes or more throughout your day and week. You can choose to do one or both types of activity. But if you have never exercised, even 5 minutes of walking each day is a good start. Add more as you are able.
- Talk to your doctor before you start an exercise program if you have been diagnosed with coronary artery disease; have been sedentary for a long period of time; or have other heart, lung, or metabolic diseases, such as diabetes.
- Report any symptoms, such as chest pain or shortness of breath, to your doctor immediately.
- Redberg RF, et al. (2009). ACCF/AHA 2009 Performance measures for primary prevention of cardiovascular disease in adults: A report of the American College of Cardiology Foundation/American Heart Association Task Force on Performance Measures. Circulation, 120(13): 1296–1336.
- U.S. Department of Health and Human Services (2008). 2008 Physical Activity Guidelines for Americans (ODPHP Publication No. U0036). Washington, DC: U.S. Government Printing Office. Available online: http://www.health.gov/paguidelines/pdf/paguide.pdf.
Last Revised: April 6, 2012
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