Definition Of Cardio Exercise

Definition of Cardio Exercise

Image Credit: nd3000/iStock/GettyImages “Cardio,” which is fitness slang for cardiovascular activity, may be one of the most important types of physical activity to do on the regular. To maintain health, the Centers for Disease Control and the American College of Sports Medicine recommend performing a minimum of 30 minutes of moderate-intensity cardio activity on most, if not all, days of the week.

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 Cardio refers to any activity that increases heart rate and respiration while using large muscle groups repetitively and rhythmically. The root word "card," or "heart," provides a clue as to why this type of exercise is so important—by providing training that progressively challenges your most vital internal life support network, cardio can improve both the function and the performance of your heart, lungs and circulatory system.

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  Read more: Cardio Exercises Without Running

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High-Impact Cardio

Among the most popular and enduring of the high-impact cardio activities, jogging and running still attract and retain large numbers of exercise enthusiasts. High-impact activity involves having both feet off the ground at some point during the exercise, and therefore includes jumping rope, high-impact aerobic dance as well as certain types of advanced strength training. This type of cardio is weight-bearing, meaning that you are supporting your own body weight with your limbs against gravity.

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Low-Impact Cardio

The definition of low-impact cardio is any aerobic activity during which one foot is kept on the ground at all times. Just because it’s low impact doesn’t necessarily mean it’s lower intensity. This type of cardio is still a weight-bearing activity, meaning that it is good for maintaining healthy bones in addition to conditioning the heart and lungs. Walking, hiking and low-impact aerobic dance are the most common forms of this type of exercise.

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 Being immersed in water reduces the pull of gravity on your body; in effect, cardio in water is a no-impact activity. Swimming or water aerobics increase your heart rate and burn calories effectively. Bicycling can also be considered a no-impact workout, as the frame and tires of your bike support most of your body weight. Both aquatic exercise and cycling eliminate much of the pounding and jarring associated with land-based activity, making them ideal choices for arthritic conditions and injury rehabilitation.

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Many types of sports contain a significant cardio component.

Image Credit: Pixland/Pixland/Getty Images

Athletics

Many types of sports contain a significant cardio component; examples include soccer and basketball. However, different types of sports, such as doubles tennis and standard volleyball, include a large percentage of downtime during which little or no aerobic activity is occurring. Bear this in mind when selecting athletics for cardio purposes. Read more: Can You Do Cardio Exercise Every Day?

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  references & resources
  
      American College of Sports Medicine: ACSM's Resource Manual for Guidelines for Exercise Testing and Prescription
    
      Cooking Light: Get Started: Beginner's Cardio Guide
    
      Physical Activity for Everyone: Guidelines | DNPAO | CDC
       




  references & resources
  
      American College of Sports Medicine: ACSM's Resource Manual for Guidelines for Exercise Testing and Prescription
    
      Cooking Light: Get Started: Beginner's Cardio Guide
    
      Physical Activity for Everyone: Guidelines | DNPAO | CDC
    




Definition of Cardio Exercise

Image Credit: nd3000/iStock/GettyImages

Many types of sports contain a significant cardio component.

Image Credit: Pixland/Pixland/Getty Images

      American College of Sports Medicine: ACSM's Resource Manual for Guidelines for Exercise Testing and Prescription
    
      Cooking Light: Get Started: Beginner's Cardio Guide
    
      Physical Activity for Everyone: Guidelines | DNPAO | CDC