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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