It's this strange form that makes race walking such an attractive activity, however, says Jaclyn Norberg, an assistant professor of exercise science at Salem State University in Salem, Mass.

马萨诸塞州塞勒姆大学的运动科学助理教授贾克琳·诺伯格说，正是这种奇特的形式使竞走成为一项有吸引力的活动。

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The research on apoptosis is a new area in exercise science.

细胞凋亡的研究是运动科学中一个较新的领域。

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Exercise science is a fine and intellectually fascinating thing.

运动科学是一门精细而且有趣的学问。

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Physical activity is a learned behavior, says one of the competition's judges, Avery Faigenbaum, a professor of health and exercise science at The College of New Jersey.

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Undone by stress and grief, Chris stopped working some of the personal training jobs he held to supplement his income teaching in the exercise science program at the University of New Mexico.

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"The big picture here is, this is certainly not adding up to hundreds of calories a day by any stretch, " says Mendel, the programme director for exercise science at Mount Union University in Alliance, Ohio.

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