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。538Please respect copyright.PENANA8qddqCDt5v538Please respect copyright.PENANAhjW6mWAVEZ
538Please respect copyright.PENANA9hTU50a8GP
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。538Please respect copyright.PENANAoPB9udfJpO
538Please respect copyright.PENANAdjSH56zULa
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。538Please respect copyright.PENANALufUYKtvmo
538Please respect copyright.PENANAk7J96Fi06Z
(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?538Please respect copyright.PENANAf2BBEsFIMn538Please respect copyright.PENANATsN0dScEIm
538Please respect copyright.PENANAE1M25b9sFr
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。538Please respect copyright.PENANACpM3TZYbvw
538Please respect copyright.PENANAzwsfMrNeWN
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)。538Please respect copyright.PENANA4NxavhzU3K
538Please respect copyright.PENANADHaOPvdp5q
(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。538Please respect copyright.PENANAQwLpMTQhtf538Please respect copyright.PENANAm5j0aA63Ic
538Please respect copyright.PENANAKUCkNaHWss
每1kg每1km就會消耗1卡路里,只適用於跑步之上。538Please respect copyright.PENANAiXTWbou2FP
538Please respect copyright.PENANAbbvcHGFxj1
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。538Please respect copyright.PENANAZBXj9muqRx
538Please respect copyright.PENANAHGBGkaZz4s
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。538Please respect copyright.PENANAytE2j0aR4g
538Please respect copyright.PENANAob1dwpE9ke
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。538Please respect copyright.PENANAusfaCY9Xlu
538Please respect copyright.PENANAtTmhzR3K3G
538Please respect copyright.PENANAYrFSA8Oz7T
(圖3)究竟身體能夠提供得到幾多卡路里予運動上?538Please respect copyright.PENANAMzGAtbC7h1538Please respect copyright.PENANAeFMgbytzgE
538Please respect copyright.PENANA2IaWUGI7Oh
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?538Please respect copyright.PENANAsbiUzHQljR
538Please respect copyright.PENANAgaGlxTYHTI
好大部份的原因,均歸咎於名為HIT THE WALL的現象,下篇再續。538Please respect copyright.PENANAFBqk3jhm9X
538Please respect copyright.PENANAqtNwZ1NhtI
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。538Please respect copyright.PENANAmJot8ov8Hy
538Please respect copyright.PENANA6HCZnPVSWK
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/toc538Please respect copyright.PENANAYlIzdliM9p
538Please respect copyright.PENANAhe4tGCOPfO
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。538Please respect copyright.PENANA2fKlLADm5V
538Please respect copyright.PENANABSaKWZoixw
Link:538Please respect copyright.PENANAf71v2PaBmy
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio538Please respect copyright.PENANAQUeZhnFnCy
538Please respect copyright.PENANA3ZuXyvYRut
538Please respect copyright.PENANAuE0EFn30p9
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。538Please respect copyright.PENANAqHnaBHffPc
https://www.instagram.com/potatopigtongue/538Please respect copyright.PENANAQp2onRFi4u
538Please respect copyright.PENANARPe0OSouyL
Ref1:https://journals.physiology.org/doi/abs/10.1152/jappl.1963.18.2.367538Please respect copyright.PENANAaBiyvTcnaH
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1859586/538Please respect copyright.PENANAs5WZ8KofUb
Ref3:https://www.nature.com/articles/s42255-020-0251-4538Please respect copyright.PENANAKj6GHCCUa2
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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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