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。574Please respect copyright.PENANARsF19zSGOn574Please respect copyright.PENANAe28ZIX64oX
574Please respect copyright.PENANAr1pEwfrM5m
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。574Please respect copyright.PENANAZMGm2BTjh7
574Please respect copyright.PENANA7cYIW334er
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。574Please respect copyright.PENANAcauus6WTSj
574Please respect copyright.PENANACn9WBAOAZB
(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?574Please respect copyright.PENANAdPaAJK30z7574Please respect copyright.PENANAznIzsAtHvH
574Please respect copyright.PENANAcqoqxswwKF
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。574Please respect copyright.PENANAsnmVCdZ8GP
574Please respect copyright.PENANAALJbKHTPBU
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)。574Please respect copyright.PENANAjGWltIBm8J
574Please respect copyright.PENANALMOF8I4eeq
(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。574Please respect copyright.PENANA530qiMRMf4574Please respect copyright.PENANAPaNsmB0eQu
574Please respect copyright.PENANAg12p0yNF8u
每1kg每1km就會消耗1卡路里,只適用於跑步之上。574Please respect copyright.PENANAORSjwXoyFF
574Please respect copyright.PENANAwyaSqBunu3
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。574Please respect copyright.PENANAk8ct0qL49b
574Please respect copyright.PENANAkH3LeNrtJg
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。574Please respect copyright.PENANAPlSCokrCLE
574Please respect copyright.PENANAlJ1iZLChmU
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。574Please respect copyright.PENANAkEqwoS1jsm
574Please respect copyright.PENANAzN0RqvU8Pg
574Please respect copyright.PENANAQjgGYQpF7U
(圖3)究竟身體能夠提供得到幾多卡路里予運動上?574Please respect copyright.PENANAHaNm4Uf55r574Please respect copyright.PENANA63smGrDl0o
574Please respect copyright.PENANALUq8s9AXpn
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?574Please respect copyright.PENANA59fC1HXwGR
574Please respect copyright.PENANAE26VhXxzlw
好大部份的原因,均歸咎於名為HIT THE WALL的現象,下篇再續。574Please respect copyright.PENANARiqjeniVYj
574Please respect copyright.PENANApUCha5Nsmc
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。574Please respect copyright.PENANA1siNBZcgoC
574Please respect copyright.PENANA4TkIHAOyuq
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/toc574Please respect copyright.PENANAZduD0QpKh4
574Please respect copyright.PENANAjwevf16Mpt
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。574Please respect copyright.PENANACtpX1eFOjl
574Please respect copyright.PENANATCpIkJh9qz
Link:574Please respect copyright.PENANA9llgrtmq5v
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio574Please respect copyright.PENANANjkhqaAD9R
574Please respect copyright.PENANAoEOHxnpsLJ
574Please respect copyright.PENANAHQEEHyxg5R
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。574Please respect copyright.PENANAAY4bdrlqKr
https://www.instagram.com/potatopigtongue/574Please respect copyright.PENANAL1GIkmbXot
574Please respect copyright.PENANANoPyZK42Ly
Ref1:https://journals.physiology.org/doi/abs/10.1152/jappl.1963.18.2.367574Please respect copyright.PENANAj5BtIkScRS
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1859586/574Please respect copyright.PENANA3mOvlsLEsX
Ref3:https://www.nature.com/articles/s42255-020-0251-4574Please respect copyright.PENANAA79nMISoJC
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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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