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。593Please respect copyright.PENANA6glHDmszHo593Please respect copyright.PENANAgejRzmIp1E
593Please respect copyright.PENANAucknAvXUgq
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。593Please respect copyright.PENANA0AUduKiNDL
593Please respect copyright.PENANApDqmmYxqQd
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。593Please respect copyright.PENANA1hmrJtwxkl
593Please respect copyright.PENANA8T8wFiUAIf
(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?593Please respect copyright.PENANAF5T9xM3sQG593Please respect copyright.PENANAYTUxdSOAa7
593Please respect copyright.PENANAslWq3Dg53k
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。593Please respect copyright.PENANAkjRmdwGawH
593Please respect copyright.PENANAo1sFaXpqtV
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)。593Please respect copyright.PENANADKj6eUIaN2
593Please respect copyright.PENANAi3M036RhTl
(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。593Please respect copyright.PENANAVdmrA7xlJZ593Please respect copyright.PENANAvYTKrmVC4r
593Please respect copyright.PENANAOA9cOmDbyu
每1kg每1km就會消耗1卡路里,只適用於跑步之上。593Please respect copyright.PENANAwndtRasvTy
593Please respect copyright.PENANAlnp2V1qai0
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。593Please respect copyright.PENANAP5bTXTqPkI
593Please respect copyright.PENANAK5a72cA1cB
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。593Please respect copyright.PENANAApEnyzefGr
593Please respect copyright.PENANAUQZxw5fVOm
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。593Please respect copyright.PENANAV8SNdI2oZl
593Please respect copyright.PENANARVRLs36NE2
593Please respect copyright.PENANAqMFFj8w5KH
(圖3)究竟身體能夠提供得到幾多卡路里予運動上?593Please respect copyright.PENANATayY68B9cS593Please respect copyright.PENANApKBUPrUw4w
593Please respect copyright.PENANAzju8eg2kFM
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?593Please respect copyright.PENANASYMAdKl6Hi
593Please respect copyright.PENANAobOytXOjLj
好大部份的原因,均歸咎於名為HIT THE WALL的現象,下篇再續。593Please respect copyright.PENANAvBBOFe3m86
593Please respect copyright.PENANARwEcDtoNYZ
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。593Please respect copyright.PENANAlbdAyNOB8P
593Please respect copyright.PENANAFYnyfTo4dS
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/toc593Please respect copyright.PENANAteSm561dY1
593Please respect copyright.PENANAe7xZUS9EZx
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。593Please respect copyright.PENANAaisfrclFrl
593Please respect copyright.PENANAruicR9Mq2s
Link:593Please respect copyright.PENANAZ23nRJmbXx
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio593Please respect copyright.PENANAzsiVjSkaIg
593Please respect copyright.PENANAYtTrDo7Jq6
593Please respect copyright.PENANAECRROl4lmF
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。593Please respect copyright.PENANAVqHGnq6cJl
https://www.instagram.com/potatopigtongue/593Please respect copyright.PENANAnsVeTXHyvy
593Please respect copyright.PENANACdm1fsHcfx
Ref1:https://journals.physiology.org/doi/abs/10.1152/jappl.1963.18.2.367593Please respect copyright.PENANAYWTARoHUXt
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1859586/593Please respect copyright.PENANAsyucoRpN7o
Ref3:https://www.nature.com/articles/s42255-020-0251-4593Please respect copyright.PENANAKYxZVPX2x3
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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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