Physical Activity and Your Heart - What Is Physical Activity

Learn how physical activity helps your heart, how to get started and stay safe, and how much activity you need at every age.

Benefits of Physical Activity and Personal Fitness Training - NESTA

Health Benefits of Exercise and Physical Activity

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Take Your Heart Rate instructional aid.

The many ways exercise helps your heart - Harvard Health

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Benefits of physical activity for your heart

Proper Push-Up Form: How to Do This Upper-Body Exercise Correctly

William Harvey - Physiologist, Circulation, Anatomy