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Old 10-02-2011, 05:01 PM   #1
avrod8348
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Join Date: Mar 2011
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Default 上楼健身 下楼伤身

  目前,ad收腹运动机,随着人们健身意识的提高,爬楼梯这种既经济又方便的锻炼方式受到很多市民的欢迎。有关专家指出爬楼梯也有 讲究,爬上有益身体,但下楼梯却对身体不利。
  据专家介绍,爬楼梯上楼相当于做有氧运动,可以锻炼心肺功能,ad收腹运动机,同时还能够锻炼腿部肌肉群,能起到一定的锻炼功效。但下楼梯时,膝关节、踝关节要承受整个身体的重量,不 断重复这个动作,会人为加大这些关节的活动量,受压的强度会急剧增加,水宜生水杯价格,关节受到磨损的可能性就会增大,ad健腹机,对身体不利。
  专家还特别提醒中老年人或者身体过于肥胖的青年人,用爬楼梯法锻炼身体,要掌握分寸和方法。爬楼梯的速 度与持续时间应掌握好,刚开始锻炼时,应采取慢速度、逐步加长时间的方式,随着锻炼水平的提高,可以逐步加 快速度或延长持续时间。同时锻炼中应始终以适中强度进行,以不感到吃力为度。
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