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英国一调查称现代生活令儿童体弱无力
发布时间:2011-05-26      来源:广州日报

    英国一项调查表明,与十年前相比,现在的孩子身体弱、肌肉少、不能完成对以前孩子来说简单的体质测试。

    研究人员认为,这一变化由现代生活方式导致。

    肢体力量明显减弱

    埃塞克斯大学儿童健康专家加文·桑德科克和同事研究2008年315名本地十岁儿童的体质测试数据,与1998年309名同年龄孩子的测试数据对比。

    结果显示,与十年前相比,现在的孩子在规定时间内完成仰卧起坐的数量下降27%,上肢力量降低26%,握力减少7%。

    十年前进行抓握悬垂测试时,有5%的孩子无法完成,但今天,这一数字已经上升至10%。另外还有10%的孩子拒绝测试,这意味着这些孩子可能根本没有做过类似练习。

    英国《每日电讯报》22日引述桑德科克的话报道:“可能因为英国十岁孩子的活动方式发生变化。比如说,他们上体育课时不再练习爬绳,玩耍时也不再爬树。这些活动可以增加力量。”

    这一研究结果由最新一期《儿科学学报》发表。

    户外活动太少所致

    先前有研究显示,现在的孩子体质变差、活动少、不爱动、体重增加。桑德科克的研究显示,2008年时,受调查孩子们的“身高体重指数”(BMI)与十年前的孩子相同。

    研究人员之一,伦敦城市大学的丹尼尔·科恩说,考虑到力量减弱,BMI值仍与十年前相同意味着孩子身体里的脂肪变多,肌肉变少。

    在英国不少地方,人们十年前经常能看到小男孩爬树的景象,但现在,孩子们更多在电子游戏中“探险”。研究人员认为,现代儿童长时间坐着看电视或玩电脑游戏,而不是像过去的孩子那样多进行户外活动,这让他们体质变差。

    另外,家长因为担心孩子出意外或遇到危险,不让他们离开自己的视线,也限制孩子的活动范围。

    学校体育课内容安排也成为研究人员批评对象之一。儿童成长基金会的塔姆·弗赖说:“我们在学校里没有给孩子足够的体育锻炼……孩子们每周在学校里进行大约2小时锻炼,但实际上,他们需要每天锻炼一小时。”

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