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。571Please respect copyright.PENANA68pXI8mu5V571Please respect copyright.PENANAHbNnyaeIPW
571Please respect copyright.PENANAuDopGqoql6
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。571Please respect copyright.PENANAPV6cn73kT5
571Please respect copyright.PENANAlfyE1btmCb
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。571Please respect copyright.PENANAMdu8qyL2gJ
571Please respect copyright.PENANAyB6nDlSSFa
(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?571Please respect copyright.PENANA12GMxBhybI571Please respect copyright.PENANAnVEhVO7RGu
571Please respect copyright.PENANASGBV3AYfwB
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。571Please respect copyright.PENANAPXT1QME6qm
571Please respect copyright.PENANAcZQv8ctTXq
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)。571Please respect copyright.PENANAQg6glwWgiP
571Please respect copyright.PENANAGPZTkHgPhb
(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。571Please respect copyright.PENANADmLZkKczWy571Please respect copyright.PENANAOtOq9PhUAS
571Please respect copyright.PENANA3LaVMbuOut
每1kg每1km就會消耗1卡路里,只適用於跑步之上。571Please respect copyright.PENANAcKrwrKoMR0
571Please respect copyright.PENANAv8gpeKAET9
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。571Please respect copyright.PENANA8afle7k8ed
571Please respect copyright.PENANAHXYZ9oqO44
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。571Please respect copyright.PENANADAnxAduD8I
571Please respect copyright.PENANAymgZmtYNNt
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。571Please respect copyright.PENANA2TyIhaS14C
571Please respect copyright.PENANAlpaNYNh11i
571Please respect copyright.PENANAEyYCRMWy5F
(圖3)究竟身體能夠提供得到幾多卡路里予運動上?571Please respect copyright.PENANAUaPZLNKBhl571Please respect copyright.PENANABRRYO7Ef1x
571Please respect copyright.PENANAHqzDa6BywH
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?571Please respect copyright.PENANAxUpdHu3RtX
571Please respect copyright.PENANAgtuvDxBykz
好大部份的原因,均歸咎於名為HIT THE WALL的現象,下篇再續。571Please respect copyright.PENANAFQWovXXGEf
571Please respect copyright.PENANA1cYDlWZMr7
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。571Please respect copyright.PENANABqMeN8515t
571Please respect copyright.PENANAJycCJnNbUM
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/toc571Please respect copyright.PENANAA6EyVHxNue
571Please respect copyright.PENANAZDA2spqD2C
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。571Please respect copyright.PENANAnVOjQmeOYD
571Please respect copyright.PENANAHNUbWafrh2
Link:571Please respect copyright.PENANAJFeQmIKsPJ
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio571Please respect copyright.PENANASbsYIBaGo3
571Please respect copyright.PENANA8XqcddDi92
571Please respect copyright.PENANALd2gBvGGfx
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。571Please respect copyright.PENANAwwZRA0dbr5
https://www.instagram.com/potatopigtongue/571Please respect copyright.PENANAr0D6wS3Qir
571Please respect copyright.PENANA3BwXkssz4u
Ref1:https://journals.physiology.org/doi/abs/10.1152/jappl.1963.18.2.367571Please respect copyright.PENANAsgZIHb3xO2
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1859586/571Please respect copyright.PENANABuInMU4BL4
Ref3:https://www.nature.com/articles/s42255-020-0251-4571Please respect copyright.PENANAP8GKGDvSuj