Health 版 (精华区)
发信人: aswater (考试是智慧加运气), 信区: Health
标 题: What is Fitness?
发信站: 哈工大紫丁香 (Wed Jun 15 10:47:11 2005), 转信
What is Fitness?
Learn the components of physical fitness.
There are four main elements that define physical fitness:
Aerobic (cardiovascular) fitness - The body's ability to take in and use
oxygen to supply energy throughout the body
Muscular fitness - The strength and endurance of muscles
Flexibility - The ability to move joints and stretch muscles fully
through their normal range of motion
Body composition - The amount of fat tissue in relation to other
tissue in the body
All these are important elements to consider when analyzing your
personal fitness. But aerobic fitness is a central component. Increasing
your aerobic fitness has many health benefits, and can best be improved
with exercise that dynamically employs large muscle groups, such as
running, cycling, rowing and cross-country skiing.
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※ 来源:·哈工大紫丁香 bbs.hit.edu.cn·[FROM: 221.208.146.94]
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