上一篇用字錯誤,造成混亂,非常抱歉。今篇特設釐清因為用字錯誤所做成的概念困擾和錯誤。511Please respect copyright.PENANA3Ap02Vyrox511Please respect copyright.PENANA5D1GXe1VC7
511Please respect copyright.PENANANhrAJrFPZP
上一篇提及身體消耗的卡路里是與步行總距離有關,其正確用字應為跑步總距離,非步行總距離。511Please respect copyright.PENANAjLMCMdVfAO
511Please respect copyright.PENANAZJ7HyqPWSf
最終所得出的公式應為每1kg跑步1km就會消耗1卡路里,而非每1kg步行1km就會消耗1卡路里。511Please respect copyright.PENANAsvR8xQpAnP
511Please respect copyright.PENANAVudh5r5r62
(圖2)之於公式為每1kg跑步1km就會消耗1卡路里,究竟是如何得出來的呢?511Please respect copyright.PENANAe9j0hvGRAb511Please respect copyright.PENANAntbsEbsSwQ
511Please respect copyright.PENANAjBJREswTBY
這是根據跑者真實實驗數據所得,跑速越快的話,能量消耗亦會越大,而且兩者的關係亦成直線相關趨勢。511Please respect copyright.PENANAj8f7VCOmeo
511Please respect copyright.PENANAfeYVYtjEa7
如果我們將Y-axis的單位同X-axis的單位相除,就可以推算出一個kcal/kg/km的常數(constant)。511Please respect copyright.PENANAkoRzK4M53F
511Please respect copyright.PENANAl39hc8yAam
(圖3)上一篇因錯誤用字的關係,做成了假設體重一樣,跑步1km與行路1km消耗的卡路里均會一樣的假象,這裡特別在這方面略微深入講解一下。511Please respect copyright.PENANAZUNPhgwEpx511Please respect copyright.PENANADjtX53GLot
511Please respect copyright.PENANAvaAvVdNsx7
每1kg每1km就會消耗1卡路里,只適用於跑步之上。511Please respect copyright.PENANAnL4o3mC7WF
511Please respect copyright.PENANAT8boIcAOqK
從左面的圖中得知,當步速高過10km/hr的時候,能量消耗與步速才會成直線相關趨勢,每1kg每1km就會消耗1卡路里才可套用。511Please respect copyright.PENANAHhYqEzoJXg
511Please respect copyright.PENANAXt3G5GxRe7
而步速低過10km/hr的時候,能量消耗與步速再也不成直線相關趨勢,每1kg每1km就會消耗1卡路里的定律亦唔能夠得以套用。511Please respect copyright.PENANA0m2HlotMVl
511Please respect copyright.PENANA42JJrIjZEq
雖然香港人節奏急速,但以10km/hr的速度「行路」就應該不會太可行。511Please respect copyright.PENANAh0fhx3xBgb
511Please respect copyright.PENANAT8XovKySOJ
511Please respect copyright.PENANAR9VLNAVEd1
(圖3)究竟身體能夠提供得到幾多卡路里予運動上?511Please respect copyright.PENANAmdBiQfba2r511Please respect copyright.PENANA2NOKQg2mw4
511Please respect copyright.PENANAdKZy2KTBc5
如圖中所見,駭眼數字好足夠應付馬拉松的卡路里消耗,那麼為何這麼多人中途會無法支持下去呢?511Please respect copyright.PENANAHge4zZzYGE
511Please respect copyright.PENANAXxhbPBiuSf
好大部份的原因,均歸咎於名為HIT THE WALL的現象,下篇再續。511Please respect copyright.PENANAJV4sgdhtmD
511Please respect copyright.PENANAEmq7OAk2xj
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。511Please respect copyright.PENANAUfY4oFmReY
511Please respect copyright.PENANALCOnNEvLhc
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/toc511Please respect copyright.PENANA5ScArn4pkn
511Please respect copyright.PENANAYF1MEhs4I4
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。511Please respect copyright.PENANAHKREgVXOhS
511Please respect copyright.PENANALxtuupKpd9
Link:511Please respect copyright.PENANAtEP3K9w1nY
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio511Please respect copyright.PENANAAURYPC866I
511Please respect copyright.PENANAXRyPx2Hyfc
511Please respect copyright.PENANAT8MiUNX6S4
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。511Please respect copyright.PENANAhVJYlFClHD
https://www.instagram.com/potatopigtongue/511Please respect copyright.PENANA9xRtn2aAFd
511Please respect copyright.PENANAAyg1NcIWSP
Ref1:https://journals.physiology.org/doi/abs/10.1152/jappl.1963.18.2.367511Please respect copyright.PENANA9Z5OuHfSSA
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1859586/511Please respect copyright.PENANAifSRK7v19t
Ref3:https://www.nature.com/articles/s42255-020-0251-4511Please respect copyright.PENANA5WO82pJoyf
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薯仔聞茱莉

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深入淺出–點解瘦削運動員都能夠跑畢馬拉松全程?(2)
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