然而，诺伯格博士说，竞走不会像跑步那样对身体造成那么大的冲击。
However, race walking does not pound the body as much as running does, Dr. Norberg says.
诺伯格医生对尝试竞走的人有什么建议？
What is Dr. Norberg's suggestion for someone trying race walking?
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。
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.
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