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。607Please respect copyright.PENANA9whacb4Df7607Please respect copyright.PENANAfx3dpKbIz4
607Please respect copyright.PENANAQQ6BAWb7R6
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。607Please respect copyright.PENANA4wS5RO4kR9
607Please respect copyright.PENANArv5HomPab7
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。607Please respect copyright.PENANAhW1WPoqoyJ
607Please respect copyright.PENANALxVnXSyxYS
(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?607Please respect copyright.PENANALvv6QTsgsA607Please respect copyright.PENANAVwUjNMDEcQ
607Please respect copyright.PENANA50KEYN6m1M
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。607Please respect copyright.PENANAdPnaZJKyV1
607Please respect copyright.PENANA2Yl1pNmHPU
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)。607Please respect copyright.PENANAUbCPiMRj43
607Please respect copyright.PENANAVg2klQUZmI
(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。607Please respect copyright.PENANA5R6lr1JYmf607Please respect copyright.PENANATcWMpTIZY5
607Please respect copyright.PENANA9wdxmytNEN
每1kg每1km就會消耗1卡路里,只適用於跑步之上。607Please respect copyright.PENANAlRBci8cBnJ
607Please respect copyright.PENANAg7U5zRD8u3
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。607Please respect copyright.PENANAd5S0uaC7tI
607Please respect copyright.PENANAvDN3IOulnk
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。607Please respect copyright.PENANArtO1OvARdD
607Please respect copyright.PENANApB4rcAGTVh
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。607Please respect copyright.PENANAfgD4r2U8YX
607Please respect copyright.PENANAkunY6qgWvD
607Please respect copyright.PENANAIrX0mRl4KX
(圖3)究竟身體能夠提供得到幾多卡路里予運動上?607Please respect copyright.PENANAxfedMfMhZF607Please respect copyright.PENANAXVImRYJpYq
607Please respect copyright.PENANAlswKRDdodi
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?607Please respect copyright.PENANALlsRANwU4J
607Please respect copyright.PENANALdD9YyHO0f
好大部份的原因,均歸咎於名為HIT THE WALL的現象,下篇再續。607Please respect copyright.PENANAP26btU0WaA
607Please respect copyright.PENANAa0UQFfgGuG
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。607Please respect copyright.PENANAXZpUKTiy1J
607Please respect copyright.PENANAsOowivJms9
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/toc607Please respect copyright.PENANAUwi4HaJy5r
607Please respect copyright.PENANAieXeS76rvb
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。607Please respect copyright.PENANAHD0NoG13XK
607Please respect copyright.PENANAMTMAaUR4Xq
Link:607Please respect copyright.PENANAt325VqIIOC
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio607Please respect copyright.PENANAXgvqZ1MOOo
607Please respect copyright.PENANAgyFCU3iVAK
607Please respect copyright.PENANArNsJuVz3pZ
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。607Please respect copyright.PENANAYat6xtVyh8
https://www.instagram.com/potatopigtongue/607Please respect copyright.PENANAmZGodTopz1
607Please respect copyright.PENANArRPMrzICCI
Ref1:https://journals.physiology.org/doi/abs/10.1152/jappl.1963.18.2.367607Please respect copyright.PENANAPICzqAfoOV
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1859586/607Please respect copyright.PENANAuwXD86FLRm
Ref3:https://www.nature.com/articles/s42255-020-0251-4607Please respect copyright.PENANAihci1OKPol
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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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