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。595Please respect copyright.PENANAQaSjzDjH31595Please respect copyright.PENANAScVYnSHa5h
595Please respect copyright.PENANAGFag84a1T9
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。595Please respect copyright.PENANAIEfdXCBBxo
595Please respect copyright.PENANAvTEWjfDGA1
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。595Please respect copyright.PENANA5giCzFXqQO
595Please respect copyright.PENANAZwYpRImN5s
(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?595Please respect copyright.PENANAOiYlV8EnFC595Please respect copyright.PENANA1q8Nq39ge5
595Please respect copyright.PENANApBzk1dPk86
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。595Please respect copyright.PENANAzuZMKyBEnF
595Please respect copyright.PENANA4A2fOMGzTC
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)。595Please respect copyright.PENANAzeiAfaG16y
595Please respect copyright.PENANAdE3h1YseJi
(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。595Please respect copyright.PENANATVeiiA0AWB595Please respect copyright.PENANAyb3Si65M5P
595Please respect copyright.PENANAVRAfsiNZwp
每1kg每1km就會消耗1卡路里,只適用於跑步之上。595Please respect copyright.PENANAPzDhPnVB4U
595Please respect copyright.PENANASj6jp7j0bB
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。595Please respect copyright.PENANAREtMZJicJU
595Please respect copyright.PENANA5AnvSy8FHa
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。595Please respect copyright.PENANAxRculUh4j9
595Please respect copyright.PENANA11qXAMf8KS
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。595Please respect copyright.PENANAQkFfitns4A
595Please respect copyright.PENANAyFj9zfWQ25
595Please respect copyright.PENANAQhlXCMPnP1
(圖3)究竟身體能夠提供得到幾多卡路里予運動上?595Please respect copyright.PENANAG0WSLvYGhs595Please respect copyright.PENANAfvQc2QIvZb
595Please respect copyright.PENANAxtgg8MGJBa
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?595Please respect copyright.PENANAPbR0Wl6t1a
595Please respect copyright.PENANAM4PkggPwV3
好大部份的原因,均歸咎於名為HIT THE WALL的現象,下篇再續。595Please respect copyright.PENANAvkw5ludIIl
595Please respect copyright.PENANAqJnl4OYhFS
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。595Please respect copyright.PENANAxInpjFUq1d
595Please respect copyright.PENANAnd8yzYH3Xa
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/toc595Please respect copyright.PENANAzOY3RFanrj
595Please respect copyright.PENANAZVtVJjRfoc
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。595Please respect copyright.PENANAETBlsRmrag
595Please respect copyright.PENANAAKORAWI3pG
Link:595Please respect copyright.PENANAaS0aA6qV70
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio595Please respect copyright.PENANAYDlPIlaiZg
595Please respect copyright.PENANAIkJOJcqUu4
595Please respect copyright.PENANAM3oyNE5B5w
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。595Please respect copyright.PENANAdOTTHqbTqf
https://www.instagram.com/potatopigtongue/595Please respect copyright.PENANA543njze5Pe
595Please respect copyright.PENANAypMGG3teo5
Ref1:https://journals.physiology.org/doi/abs/10.1152/jappl.1963.18.2.367595Please respect copyright.PENANA3kGUr7GOh6
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1859586/595Please respect copyright.PENANAb7McP6Bhbp
Ref3:https://www.nature.com/articles/s42255-020-0251-4595Please respect copyright.PENANAST8hL9LiYj
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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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