每日消耗 TDEE 估算 - 健身
By Margaret
at 2016-07-20T19:09
at 2016-07-20T19:09
Table of Contents
假如想減重。
明明前版娘就有不少類似的文章 ...
比較合理的方式,不是吃到基代
而是『進食起碼基代的 1.4倍』,再增加活動量,例如每天走上一萬步(約需90分鐘)
<<<<<<分隔線,下面引用自己文章>>>>>
想不到原來很多人會弄不清楚 BMR ,TEF 和 PAL , TDEE
以下掃盲貼
對了,基礎代謝
很。難。上。升
會提升的是 PAL,不是 BMR ,除非體重接近 100Kg ,不然基代不可能接近 2000
(TDEE 估算 https://goo.gl/imYXjk )
BMR 是基礎代謝。甚麼是基礎代謝?
你的腦子,腸子等等身體部份維持,運作,荷爾蒙調整,呼吸,心跳都需要能量,這數值易降難升。
要升的話,你能長的是肌肉或者肥肉,而不會是長多一個腦子
每一公斤肌肉增加約14kCal的基礎代謝,長出10公斤也就 140大卡
但基代『很好掉』,只要吃的不夠,支出過多,身體自然會節省能量支出,例如降低荷爾蒙水平,降低身體運作效率等等以平衡能量,這亦是熱量赤字會影響性荷爾蒙的原因之一。(不管你用那種飲食式)
TEF ,食物熱效應
一天一餐還是一天六餐也沒差,吃同份量的東西,就需要一定的能源去消化
食物熱效應就是消化所需的能源
PAL,活動水平
活動還可以細分作運動,和非運動之下的數值,但普遍情況下使用單獨估算大慨足夠
正常人非運動下,基代加上熱效應,大慨是 PAL 1.4 到 1.55 之間,即基代 1000 就是 得出 1400大卡到 1550大卡,這就是 TDEE,每日總能量支出
TDEE 會依照 PAL 而增加
例如運動上一小時會大慨上升到 1.7
運動上兩小時會增加到 2.0
甚至還能夠更高,高於4亦有可能
只要是活人很難支出低於 1.2
而正常人基礎代謝亦很難低於 1000
吃 1200 是不要命的做法,正是基於此
基本上,由於日常支出能夠低於基礎代謝 1.4 的可能性極低,所以不會建議攝取量低於 PAL 1.4 水平
而假如需要減重,提升活動水平會更有效,因為假設步行一萬步已經超過 PAL 1.7
所形成的熱量赤字已經足夠減重所需,同時會食量過低,引致代謝下降的機會亦比較低
不過,因為世界糧食危機依然未解決,假如有人能犧牲自身降低基礎代謝,降低糧食需要量,我亦不會太過反對(攤手
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