Tag: cardio vs strength training

  • Cardio: Your Complete Health and Fitness Guide for Americans

    Cardio: Your Complete Health and Fitness Guide for Americans

    Understanding Cardio Basics Cardio exercise is any rhythmic activity that raises your heart rate and keeps it elevated for a sustained period of time. Whether you are brisk walking, cycling, swimming, or running, cardio workouts challenge your heart and lungs to deliver oxygen more efficiently throughout your body. The term itself is short for cardiovascular,…