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。322Please respect copyright.PENANAabUDp7knN5
322Please respect copyright.PENANARxz3qvsrEJ
322Please respect copyright.PENANAjF3wm3TUu7
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。322Please respect copyright.PENANAUWAFWGXk9G
322Please respect copyright.PENANAueoEQEkYAJ
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。322Please respect copyright.PENANAwXa4Rt8LKL
322Please respect copyright.PENANA5jWtq69WQz
(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?322Please respect copyright.PENANACEQoeq0FJJ
322Please respect copyright.PENANAaefiBMZn8C
322Please respect copyright.PENANAEsXIsoZFjb
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。322Please respect copyright.PENANARBhIU3J5Ee
322Please respect copyright.PENANAj06H1Km9hN
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)。322Please respect copyright.PENANA4UIRrw5sk5
322Please respect copyright.PENANAQWQyOvbDZQ
(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。322Please respect copyright.PENANAdM84KW4DZo
322Please respect copyright.PENANAJrRwdqjXpe
322Please respect copyright.PENANAOVZqdXuJIu
每1kg每1km就會消耗1卡路里,只適用於跑步之上。322Please respect copyright.PENANAwkk4Bm8Y4F
322Please respect copyright.PENANA7ECp5PNGRP
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。322Please respect copyright.PENANACo8MMskJ5V
322Please respect copyright.PENANAC7HYIKTPAL
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。322Please respect copyright.PENANACM7g6N2xH9
322Please respect copyright.PENANAsDgV4fx1N0
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。322Please respect copyright.PENANAuolB5MMUoe
322Please respect copyright.PENANAGDpVgllik7
322Please respect copyright.PENANAGrbXNbqMrn
(圖3)究竟身體能夠提供得到幾多卡路里予運動上?322Please respect copyright.PENANAIgtRs2gWKg
322Please respect copyright.PENANA9D0u4nX0Yd
322Please respect copyright.PENANAW0BNeZmZPn
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?322Please respect copyright.PENANAkS56Q4cUKb
322Please respect copyright.PENANAjL37WrapTz
好大部份的原因,均歸咎於名為HIT THE WALL的現象,下篇再續。322Please respect copyright.PENANA06qLijno5x
322Please respect copyright.PENANAsQycV8G4tG
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。322Please respect copyright.PENANAO5yZkfKiEw
322Please respect copyright.PENANAed4AL9s7ed
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/toc322Please respect copyright.PENANA3fDWLNFr7q
322Please respect copyright.PENANAIzC95H1oYo
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。322Please respect copyright.PENANAtMeJLFR4Vg
322Please respect copyright.PENANAkM3uPb0nC3
Link:322Please respect copyright.PENANAaOspIjy4om
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio322Please respect copyright.PENANARTcMURE9wH
322Please respect copyright.PENANAcpgbH7g6Ht
322Please respect copyright.PENANAXnldqxWaQP
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。322Please respect copyright.PENANAWMCf7IyrPh
https://www.instagram.com/potatopigtongue/322Please respect copyright.PENANAtBcIXljQmj
322Please respect copyright.PENANAmaxpNXAfe6
Ref1:https://journals.physiology.org/doi/abs/10.1152/jappl.1963.18.2.367322Please respect copyright.PENANAfHisuYsYWa
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1859586/322Please respect copyright.PENANAWEouKBNb4v
Ref3:https://www.nature.com/articles/s42255-020-0251-4322Please respect copyright.PENANAl7uwNViPqH