研究：站著比坐著好 美風行站著工作

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研究：站著比坐著好　美風行站著工作 【11:47】

〔本報訊〕現代上班族難道只能「坐」在辦公室裡工作嗎？美國1項最新的研究更指出，站著比坐著對身體更有益處，越來越多人美國人開始「站」著工作，市面上還出現了經過特殊設計，讓人能「站」著工作的辦公桌，不過美學者反應兩極。

　根據最新的《流行病學期刊》的研究報告指出，坐太久不利身體機能運作，研究人員表示，坐著會讓生理反應暫停，像是在血管內負責清除壞脂肪的酶，效用會受到影響，而只有在身體站立時較能充分發揮作用。其中，久坐不僅容易導致糖尿病、肥胖、與心臟病等疾病，數據更指出，1天坐著工作超過6小時的成年人，低於3小時的成人，死亡率至少高18％。

　美國全景脊柱骨科中心醫師阿佳瓦拉表示，站著工作可避免背部承受壓力；梅約診所內分泌醫師萊文更積極奉行站著工作，他表示，人類生下來就是站著行動，包括走路，而且站立有促進新陳代謝、燃燒多餘熱量、促進胰島素降血糖、降低膽固醇等優點，站著好處多多。

　不過，像是有上班族也會反應站著會使小腿腫脹，美國康乃爾大學人體工程學教授海契表示，站著工作會使女性靜脈曲張現象增多，而且心臟必須更用力，才能讓血液順利流到心臟，如此會增加心臟負擔；也有學者認為長期站著可能反而會使背部負荷而受傷。

　美國開始風行站著上班，「美國線上」（ＡＯＬ）位在維吉尼亞州杜勒斯的分公司，已有多達1成員工採用新型辦公桌，此種桌子可以調整桌面高低、方便讓人站立工作，1張要價台幣2萬多元仍供不應求。

　醫師表示，久站和久坐一樣都不好，長期坐著上班的民眾，最好利用午餐起來走動，而且應避免坐時姿勢不良。

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