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Back餐後散步控糖效果佳:營養師建議三餐後各走10分鐘
餐後散步控糖效果佳:營養師建議三餐後各走10分鐘
Health
自由时报12 hours agoHealth2 min readChina

餐後散步控糖效果佳:營養師建議三餐後各走10分鐘

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營養師科提斯引用研究指出,與隨機散步30分鐘相比,將運動拆分為三餐後各走10分鐘,能有效改善餐後血糖,平均降幅達12%,其中晚餐後散步效果最顯著,降幅可達22%。

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Why It Matters

研究比較了第2型糖尿病患者在不同時間點散步對血糖的影響。研究顯示餐後散步能刺激肌肉細胞利用葡萄糖,進而降低血糖。

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營養師科提斯分享研究指出,與每天隨機散步30分鐘相比,三餐中的其中一餐吃完後走10分鐘,效果尤其好。

想改善餐後血糖,未必需要一次運動很久,挑對時間可能更重要。營養師科提斯分享研究指出,與每天隨機散步30分鐘相比,三餐後各走10分鐘,改善餐後血糖的效果反而更明顯,平均血糖下降12%;其中又以晚餐後散步效果最佳,餐後血糖降幅達22%。研究推測,可能與晚餐攝取碳水化合物較多、久坐時間常有關。

想降血糖飯後走一走效果最佳?對此,科提斯於臉書粉專「營養師科提斯-陪你打造健康好身體」發文指出,1項研究納入一群第2型糖尿病患者,比較兩種散步模式對於血糖變化的差異。一種是早餐、午餐及晚餐後,分別散步10分鐘,每天共30分鐘;另一種則是在非餐後時段一次散步30分鐘。研究期間並使用連續血糖監測儀(CGM),每5分鐘記錄一次血糖,並以餐後3小時內的血糖增量曲線下面積(iAUC)作為主要評估指標,監測時間連續7天。

科提斯說,結果發現,相較於隨機任選時間散步30分鐘,三餐後各散步10分鐘,餐後血糖平均降低12%;其中又以晚餐後散步效益最明顯,降幅達22%。研究人員指出,這可能與晚餐通常攝取的碳水化合物最多,加上晚間久坐時間較長有關。

科提斯說明,散步會刺激肌肉細胞的葡萄糖轉運子GLUT-4跑到細胞表面,增加肌肉吃葡萄糖的能力,因而有助改善血糖。此外,血糖比較低的情況下,胰臟可能會少分泌一些胰島素,胰臟負擔也會降低。

科提斯強調,餐後散步的隱藏好處是,把30分鐘運動拆成三餐後各10分鐘,對部分人來說更容易執行,也比較不容易造成心理壓力。建議吃完飯後,不妨起身走一走,也可做些簡單家事、散散步,而不是當一顆沙發馬鈴薯,對於控糖也能有所助益。

Open Questions

  • 此研究是否適用於非糖尿病患者?

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