在長時間的運動下,脂肪會為身體帶來能源,支撐身體肌肉所需。馬拉松全程為42.195km,脂肪所提供的能源協助絕對不可或缺。1053Please respect copyright.PENANAlHE9p467mO1053Please respect copyright.PENANAanND1voDsk
1053Please respect copyright.PENANA62GMLS1EBj
在這個前題下,為何為數不少的瘦削運動員都可以足夠應付長距離的馬拉松呢?1053Please respect copyright.PENANAnA9NIz5GzT
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(圖2)在此,我們嘗試一下利用數學角度,以卡路里的消耗量探討這一個問題。1053Please respect copyright.PENANAkU2kjkmwnq1053Please respect copyright.PENANA3Dus1ExTqT
1053Please respect copyright.PENANAg8AeiWavdG
有研究確認(Ref1,2),身體消耗的卡路里是與行走總距離有關,而非行走速度。1053Please respect copyright.PENANA3ETOXMExIe
1053Please respect copyright.PENANAUYYmCE4xTR
他們最終得出的公式為每1kg行走1km平地就會消耗1卡路里。1053Please respect copyright.PENANAHfamburYeY
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如果我們假設1個70kg的男人跑一場馬拉松,所消耗的總卡路里就會為1053Please respect copyright.PENANAIyIzeJOvxN
1053Please respect copyright.PENANAxaH5YGMziu
70kg x 42.195km=1053Please respect copyright.PENANAglLSQCpWb3
2950kcal1053Please respect copyright.PENANA0VS1WsxTKo
1053Please respect copyright.PENANAGLfJPYjSeP
1053Please respect copyright.PENANAjtNyfVriM4
(圖3)身體的脂肪每克約可以提供9kcal,如果我們用上最極端的例子,負責儲存能源的體脂只佔身體重量2% (正常為10-32%)的話,所提供得到的能源就會是1053Please respect copyright.PENANAefJuW85SjZ
1053Please respect copyright.PENANADJuEGCpOC1
70kg x 1000 x 2% x 91053Please respect copyright.PENANASXLkhEe2L0
=12600 kcal1053Please respect copyright.PENANAWUeBYyFRWm1053Please respect copyright.PENANAoRx569p0O8
1053Please respect copyright.PENANAQ9djCNlb91
而基於每場馬拉松所消耗的卡路里僅為2950kcal關係,12600/2950 = 4.27,單憑身體脂肪所提供的能源,就足以應付4場馬拉松!1053Please respect copyright.PENANAeIT8vLaz8L
1053Please respect copyright.PENANAGlfXzOxLNN
這個跑4次馬拉松的結果是以極低(儲存能量用的體脂2%)這個極端例子作計算,可以推算得到正常人的話絕對是遊刃有餘跑1場馬拉松;1053Please respect copyright.PENANAC0Vb50S95Y
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此計算方式是假設整場馬拉松是平地鋪設,沒有高低鈄坡。1053Please respect copyright.PENANABBIJv9orSs
1053Please respect copyright.PENANA57pEIfVZza
(圖4)不過,魔鬼在細節,這集反應熱烈的話,下一集將會探討這個計算方式的漏洞以及馬拉松選手經常會遇到所謂Hit The Wall的問題。1053Please respect copyright.PENANAUeYdML6Jks1053Please respect copyright.PENANAB59BVG1XKV
1053Please respect copyright.PENANA1NWKk52cfL
1053Please respect copyright.PENANAMexDKxeDJB
如果想我快啲出文的話,請入去Penana網站科普專欄–薯不揀單俾一個like以及Bookmark,這對我非常之重要。1053Please respect copyright.PENANAm4Fy7T52vF
1053Please respect copyright.PENANAVq9kQqRUzJ
Link: https://www.penana.com/story/66244/%E7%A7%91%E6%99%AE%E5%B0%88%E6%AC%84-%E8%96%AF%E4%B8%8D%E6%8F%80%E5%96%AE/toc1053Please respect copyright.PENANALXIlZQssQe
1053Please respect copyright.PENANAKdFNL4BdBH
同時亦可以在Penana網站裡按「買一嚿/半嚿薯仔」,以課金的方式推動我繼續搜羅資料寫文,多謝。1053Please respect copyright.PENANAPhbMtaxzhe
1053Please respect copyright.PENANA8guc3GTKcv
Link:1053Please respect copyright.PENANABaJNoSAQtK
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio1053Please respect copyright.PENANAQHhwUqcC3V
1053Please respect copyright.PENANAbPyrK2wcdW
1053Please respect copyright.PENANAvUnGJAbsMg
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。1053Please respect copyright.PENANAEzONcHZtLW
https://www.instagram.com/potatopigtongue/1053Please respect copyright.PENANAMLE25fKknw
1053Please respect copyright.PENANA3cQXajPg83
1053Please respect copyright.PENANAZiMD0aOUHT
Ref1:https://journals.physiology.org/doi/abs/10.1152/jappl.1963.18.2.3671053Please respect copyright.PENANAlhHubb3Vhu
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1859586/1053Please respect copyright.PENANAUCdP1t5XqX
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薯仔聞茱莉

篇 #83
深入淺出–點解瘦削運動員都能夠跑畢馬拉松全程?
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