基礎代謝率熱量、吃進去的熱量、總消耗熱量 - 健身
By Hedwig
at 2010-04-03T17:33
at 2010-04-03T17:33
Table of Contents
爬了一整個下午的fitness版,已大致清楚所謂的「基礎代謝率(kcal/day)」這專有名詞,
一般可分為理論計算值及實際上所測得的值。
理論計算值較常用的為「Harris-Benedict equation」,僅需代入身高、體重、年齡,
便可換算出理論的BMR值(Bascal Metabolic Rate),但需注意體重並不是當前的體重,
而是減重後的目標體重。
至於實際測值,版上版友大多建議可以在康是美測得,且通常會較理論值小。
想減重的人,版友大多建議「吃進的熱量(kcal)」需大於「基礎代謝率(kcal)」,
才能達到減脂的效果(不然會減到肌肉);也有版友提到運動會增加基礎代謝率。
問題來了!!
假設基礎代謝率(A)為2000kcal;吃進的熱量(B)為2500kcal;總消耗熱量(C)為3000kcal,
因為(B)大於(A)且(C)大於(B),所以可以達到減重的效果(一天可以減掉500大卡)。
但如果我持續運動,所以(A)上升了,那就表示為了減重,勢必(B)也必需增加,
導致減重的結果就是愈吃愈多?!
既然(B)增加了,那總消耗熱量(C)也得上升,所以我的運動量也必需增加?!
結論:減重讓人東西愈吃愈多且運動量也愈來愈大,是這樣嗎?請版上先進回答,謝謝
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