Monday, February 9, 2009

Health-related physical fitness

Think about the swimmer again.She probably can swim long distances without tiring. She has good fitness in at least one area of health-related fitness. But does she have good fitness in all five parts? Swimming does not guarantee that she will be fit in all areas of health-related fitness.Like the swimmer you may be more fit in some parts of health-related fitness than in others. As you read about the parts below, ask yourself how fit you think you are in each.

Cardiovascular fitness is the ability to exercise your entire body for long periods of time.Cardiovascular fitness requires a strong hearth, healthy lungs, and clear blood vesels to supply the cells in your body with the oxygen they need.

Strength is the amount of force your muscles can produce. Strength is often measured by how much weigh you can lift. People with good strength can perform daily tasks efficiently, with the least amount of effort.

Muscular endurance is the ability to use your muscle many times without tiring. People with good muscular endurance are likely to have better posture and fewer back problems. The soccer players in the picture need god muscular endurance.



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