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。605Please respect copyright.PENANAXwgS6gF1O4605Please respect copyright.PENANAhFdfKAzhnl
605Please respect copyright.PENANAnuHR24CDPc
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。605Please respect copyright.PENANAiwhclOP9TD
605Please respect copyright.PENANAMgA3dbmx3f
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。605Please respect copyright.PENANAY0Ehtx7AiG
605Please respect copyright.PENANAXSlCa0wm74
(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?605Please respect copyright.PENANArna169T3ac605Please respect copyright.PENANAxDdOYq9mLF
605Please respect copyright.PENANArVI3xnE7Yw
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。605Please respect copyright.PENANAd6fWmIwoMw
605Please respect copyright.PENANADdH3dcsv2e
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)。605Please respect copyright.PENANAqqRhQpGkPv
605Please respect copyright.PENANA9w3Rr55CAj
(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。605Please respect copyright.PENANAGylRwQ1jGQ605Please respect copyright.PENANAuFIIm439on
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每1kg每1km就會消耗1卡路里,只適用於跑步之上。605Please respect copyright.PENANAOQ4ELqj1R7
605Please respect copyright.PENANAQmBqPj4dTh
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。605Please respect copyright.PENANA1xVMrL5hBu
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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。605Please respect copyright.PENANAKJnHKb0U4H
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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。605Please respect copyright.PENANA5re2os2feN
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(圖3)究竟身體能夠提供得到幾多卡路里予運動上?605Please respect copyright.PENANAk31cuNeaMI605Please respect copyright.PENANAJYWRbdd97e
605Please respect copyright.PENANATiKLjV1TPJ
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?605Please respect copyright.PENANAL2Ljrp833s
605Please respect copyright.PENANA6xnxXr606Z
好大部份的原因,均歸咎於名為HIT THE WALL的現象,下篇再續。605Please respect copyright.PENANAF3j9hdxf6Q
605Please respect copyright.PENANA84j78d89M4
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。605Please respect copyright.PENANAvZeIsrQ8L3
605Please respect copyright.PENANA4h8gRvqw9F
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/toc605Please respect copyright.PENANARFEwRe6FCh
605Please respect copyright.PENANAOGAdJ1uxBR
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。605Please respect copyright.PENANAn9r4TWrY3T
605Please respect copyright.PENANAYb7qkiheyl
Link:605Please respect copyright.PENANAn0odWut5e5
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio605Please respect copyright.PENANAGqGm5q2zGb
605Please respect copyright.PENANAxskt20BASu
605Please respect copyright.PENANAYPF30GgWu6
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。605Please respect copyright.PENANAT4IZ8HI4GA
https://www.instagram.com/potatopigtongue/605Please respect copyright.PENANAaxLzq2vbbi
605Please respect copyright.PENANAqoW89hPhAH
Ref1:https://journals.physiology.org/doi/abs/10.1152/jappl.1963.18.2.367605Please respect copyright.PENANAXQrumR2tow
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1859586/605Please respect copyright.PENANAciJw1hCf1r
Ref3:https://www.nature.com/articles/s42255-020-0251-4605Please respect copyright.PENANAfvheofqPGj
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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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