Components of Fitness.docx - Fitness Components Health Related Components of Fitness page 143 Cardiovascular Endurance What is Cardiovascular Endurance

Components of Fitness.docx - Fitness Components Health...

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Fitness Components - Health Related Components of Fitness page 143: Cardiovascular Endurance What is Cardiovascular Endurance? Cardiovascular exercise, also called cardiopulmonary exercise, or simply cardio, consists of aerobic physical activities lasting longer than 90 seconds. To better understand the terminology, you should know that cardio- refers to the “heart”, vascular means related to blood vessels, and pulmonary means related to the lungs. Cardiovascular or cardiopulmonary endurance is your physical ability to maintain aerobic exercise for prolonged periods of time. Physiologically, cardiovascular endurance refers to the efficiency of your heart, lungs and vascular system’s delivery of oxygen-rich blood to your working muscles during activities that last longer than 90 seconds. Why is Cardiovascular Endurance Important? Cardiovascular endurance is very important because the more fit your cardiovascular systems becomes, the healthier your lungs, heart and vascular system will be. If you demonstrate high levels of cardiovascular endurance during exercise, you also have a more efficient heart, lungs, and vascular system while at rest. This means less stress is put on your heart and lungs around the clock, enabling you to avoid illness and live a long, healthy life. Many argue that cardiovascular endurance is the most important of the 5 components to physical fitness. 2. Muscular Strength What is Muscular Strength? Muscular strength is the amount of force your muscles can exert against resistance for short duration, anaerobic (without oxygen) activities. Resistance includes external objects such as free weights or household objects, or even own body weight during bodyweight exercises.
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