积跬步至千里,国外计步器引发的健身潮_BEC初级作文

积跬步至千里,国外计步器引发的健身潮

Pedometers have been shown, at least in the short term, to motivate some people to increase their daily activity if they chart progress toward a goal in a diary. More sophisticated accelerometers, with wireless synchronization, effectively log your progress for you.

实践表明，计步器至少可以在短期内鼓励一些人增加日常活动量，只要他们能用计步器记录自己在锻炼上每天所取得的进步。更复杂、带无线同步功能的加速计可以有效地记录使用者每天的进步情况。

In a 2007 analysis of several studies, people who used pedometers increased the number of steps taken by an average 2,491 a day and boosted overall physical activity by about 27% from previous levels, says Dena Bravata, a senior science affiliate at the Center for Primary Care and Outcomes Research at Stanford University.

斯坦福大学(Stanford University)基础护理与效果研究中心(Center for Primary Care and Outcomes Research)的高级研究员德娜•布拉瓦塔(Dena Bravata)介绍说，2007年一个基于几项研究的分析显示，使用计步器者可日均增加步行数2491步，总体活动量较使用计步器前水平提高约27%。

Participants' body-mass index, a common measure of healthy weight, and blood pressure also declined, she says. The analysis, published in the Journal of the American Medical Association, involved a total of 2,767 participants who were followed on average for 18 weeks.