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。608Please respect copyright.PENANAmcQgqhgFd4608Please respect copyright.PENANAUf65m0eWXm
608Please respect copyright.PENANApoHxanZ23a
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。608Please respect copyright.PENANAJOxkdKAH0r
608Please respect copyright.PENANASM4cdLLdMY
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。608Please respect copyright.PENANAIc636yoPft
608Please respect copyright.PENANAL4nwVYs3lp
(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?608Please respect copyright.PENANA4AwX5Y0l4N608Please respect copyright.PENANAjjMD1LIjzC
608Please respect copyright.PENANAVv4O7lnp7z
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。608Please respect copyright.PENANA1eLHnxPMW3
608Please respect copyright.PENANACJWcwaKbUw
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)。608Please respect copyright.PENANAz36UIifiyE
608Please respect copyright.PENANAcnu6a7HRKt
(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。608Please respect copyright.PENANAyGxUzz0Efv608Please respect copyright.PENANAgLU5Et7DlJ
608Please respect copyright.PENANAmQhSOOcQps
每1kg每1km就會消耗1卡路里,只適用於跑步之上。608Please respect copyright.PENANAoEXOKRN3rQ
608Please respect copyright.PENANAZE10R76GBO
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。608Please respect copyright.PENANAD6G5BKgkXi
608Please respect copyright.PENANAXD1d0vqKY2
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。608Please respect copyright.PENANAQmiYLBNpJP
608Please respect copyright.PENANAgEtncbVCE7
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。608Please respect copyright.PENANA5ZDAovT1qv
608Please respect copyright.PENANA9KTK3p0O25
608Please respect copyright.PENANAIW0PB1iRXX
(圖3)究竟身體能夠提供得到幾多卡路里予運動上?608Please respect copyright.PENANAIianqMgWOA608Please respect copyright.PENANAyVQm0D4EUX
608Please respect copyright.PENANAld58Z1QtUB
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?608Please respect copyright.PENANA6PFB0GtgkZ
608Please respect copyright.PENANA4dI1LbKMOh
好大部份的原因,均歸咎於名為HIT THE WALL的現象,下篇再續。608Please respect copyright.PENANAnwVnQrEwvu
608Please respect copyright.PENANAPcguHZ1MUw
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。608Please respect copyright.PENANACtIHfUFe12
608Please respect copyright.PENANA9GUFImkjMB
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/toc608Please respect copyright.PENANA5JB1yFiWYX
608Please respect copyright.PENANAeQw2SiUtFO
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。608Please respect copyright.PENANAugh8JlAJIl
608Please respect copyright.PENANAQfl8gdd6IH
Link:608Please respect copyright.PENANA8QsEVfk5h4
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio608Please respect copyright.PENANA5FAZvCb89A
608Please respect copyright.PENANAXpqExMKgsK
608Please respect copyright.PENANAFFtGTmN2VH
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。608Please respect copyright.PENANAoM9VqENZd6
https://www.instagram.com/potatopigtongue/608Please respect copyright.PENANAO2G6q8ZqyN
608Please respect copyright.PENANAOyFwpjilWp
Ref1:https://journals.physiology.org/doi/abs/10.1152/jappl.1963.18.2.367608Please respect copyright.PENANA6KIOgkJ9AW
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1859586/608Please respect copyright.PENANAovon7Ga6AA
Ref3:https://www.nature.com/articles/s42255-020-0251-4608Please respect copyright.PENANABzNcD2d4HD
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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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