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  3. Seated Exercise Series: Chair Aerobics When most people think of exercise, they usually think of things like running, jogging, j

Seated Exercise Series: Chair Aerobics When most people think of exercise, they usually think of things like running, jogging, j

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问题                     Seated Exercise Series: Chair Aerobics
When most people think of exercise, they usually think of things like running, jogging, jumping rope, lifting heavy weights, and so on. And all of these weight-bearing exercises involve the bones and muscles working against gravity. If you have problems standing for long periods of time, Chair Aerobics is the exercise for you.
Chair Aerobics lets you exercise your body while sitting in a chair. Consider the following:
    Chair aerobics is performed for about 20-30 minutes and consists of rhythmic movements.
    It is a low-impact exercise with almost no potential for damage to joints and enables you to perform your daily routine activities effectively.
    It lets you move your arms and legs to music while taking the weight off your feet.
    You don’t need special clothes, shoes, or space.
    No equipment other than a chair is required.
    Like any other physical exercise, it can improve your muscle tone, flexibility, and posture.
Chair Aerobics for Everyone is a great exercise video for men and women of all ages.
    Included in the training video: Upper Body Workout Lower Body Workout Abdominal Toning Cool-down
Newington Health & Wellness Co.
Newington Town Hall 131 Cedar St,
Newington, CT 06111
Phone: (860) 665-8500 / M-F 8:30 a.m.-4:30 p.m.
                          Total Health Magazine
                              Fall 2007
Which machine is your favorite?
People do not always burn the same number of calories on one exercise machine as on another.
A recent study was conducted on the number of calories expended by healthy men and women in their twenties while they exercised on four different machines. The intensity of their exercise was categorized as "fairly light" , "somewhat hard" , or "hard"  and showed the following results:
    Both men and women burned the most calories on the treadmill and the least on the stationary bicycles.
    The stair climber and the rowing machine were in the middle for both men and women.
Whatever the equipment is, that men burned more calories than women did is the physiological fact that pound for pound, men have more muscle than women, and muscles burn more calories than fat does. In addition, it takes more calories to move a larger person and men are usually bigger than women.
Be sure to consult a trainer before starting any of these exercise programs as they involve impact pressure, which is often associated with physical injury.
What is the main subject of the article?
选项 A、The cost of exercise equipment
B、Women’ s attitude toward exercise
C、The result of a study on exercise
D、Changes in exercise frequency
答案C
解析 (第二篇文章)这篇文章第一段内容为研究目的和研究方法，第二段提到结果，“男性比女性肌肉多而且体形壮硕，所以燃烧更多的热量”，因此这篇报道的主题为(C)The result of a study on exercise(运动研究结果)。
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