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。568Please respect copyright.PENANAwoOf7Lbd7v568Please respect copyright.PENANAnSBi2F89aE
568Please respect copyright.PENANAcOThV67e0b
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。568Please respect copyright.PENANAmNb26nGn6i
568Please respect copyright.PENANAsbadp70PuP
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。568Please respect copyright.PENANAkKvuv86ebn
568Please respect copyright.PENANAjPdVYsHdTd
(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?568Please respect copyright.PENANAXVL90VfJcG568Please respect copyright.PENANA4BItuYHcKC
568Please respect copyright.PENANAyhtO5pyKMP
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。568Please respect copyright.PENANAljTJjCjMQl
568Please respect copyright.PENANApXLX2J3IUv
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)。568Please respect copyright.PENANAuRv0373D56
568Please respect copyright.PENANAbbm93Z0jPX
(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。568Please respect copyright.PENANAJ99IEdg9yE568Please respect copyright.PENANA7IFl7EP094
568Please respect copyright.PENANAaoPVE3mw0b
每1kg每1km就會消耗1卡路里,只適用於跑步之上。568Please respect copyright.PENANAJCfnwsN4eO
568Please respect copyright.PENANABXxA2wzF2K
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。568Please respect copyright.PENANAvBDfqmVg4l
568Please respect copyright.PENANAU403JBHQ8o
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。568Please respect copyright.PENANAdSWVbwSM4R
568Please respect copyright.PENANA0D6CzJSZNp
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。568Please respect copyright.PENANAnx5mFw22j3
568Please respect copyright.PENANAj99E7cLWS8
568Please respect copyright.PENANA8XeZodwUfQ
(圖3)究竟身體能夠提供得到幾多卡路里予運動上?568Please respect copyright.PENANALxoYVD8zix568Please respect copyright.PENANAEws0HRUi37
568Please respect copyright.PENANAQlhyWVDrT9
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?568Please respect copyright.PENANAA0UsheudD2
568Please respect copyright.PENANARS12c2DVMC
好大部份的原因,均歸咎於名為HIT THE WALL的現象,下篇再續。568Please respect copyright.PENANA4KYTsfXUfc
568Please respect copyright.PENANA2Bd8pZci9F
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。568Please respect copyright.PENANANdXqtTGNIZ
568Please respect copyright.PENANAao0LZpLbna
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/toc568Please respect copyright.PENANATKyYHzJcUT
568Please respect copyright.PENANAgSIj3eMsxN
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。568Please respect copyright.PENANAMDPbPlo7WP
568Please respect copyright.PENANAsSYxt4bVas
Link:568Please respect copyright.PENANAUzvHqFQGjf
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio568Please respect copyright.PENANADLMA0l6eIj
568Please respect copyright.PENANASf9zAyZGpr
568Please respect copyright.PENANAXV0jWd5aLo
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。568Please respect copyright.PENANASfvXJJWfU4
https://www.instagram.com/potatopigtongue/568Please respect copyright.PENANAlUg89Etyiw
568Please respect copyright.PENANAOG53WugvJ9
Ref1:https://journals.physiology.org/doi/abs/10.1152/jappl.1963.18.2.367568Please respect copyright.PENANAmTuEMb5Nuf
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1859586/568Please respect copyright.PENANArOR2aRrLBP
Ref3:https://www.nature.com/articles/s42255-020-0251-4568Please respect copyright.PENANApXETOs62n3
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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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