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。599Please respect copyright.PENANAmdzoZQnHmj599Please respect copyright.PENANASylkaRGl7V
599Please respect copyright.PENANAhVnVxWX05A
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。599Please respect copyright.PENANAYKaOkNcbvA
599Please respect copyright.PENANATMjBHMLdBE
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。599Please respect copyright.PENANAxPoxOZAPZH
599Please respect copyright.PENANAsSYYCW7YRr
(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?599Please respect copyright.PENANA1NIzS6lO81599Please respect copyright.PENANAIci8u5Spez
599Please respect copyright.PENANAZHvmiLk7K8
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。599Please respect copyright.PENANAntkVWSiITL
599Please respect copyright.PENANAFVAo5QBlbv
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)。599Please respect copyright.PENANAELa4518JLY
599Please respect copyright.PENANA38Lznvzczd
(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。599Please respect copyright.PENANATGv34DFene599Please respect copyright.PENANAltuqTDMJzc
599Please respect copyright.PENANA2ZvTr5GssS
每1kg每1km就會消耗1卡路里,只適用於跑步之上。599Please respect copyright.PENANAtw6s6WC2U8
599Please respect copyright.PENANA6qgg9niAjj
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。599Please respect copyright.PENANAjzDUFj8FP5
599Please respect copyright.PENANAwcVhqZsjBp
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。599Please respect copyright.PENANAZXPJwNQJaJ
599Please respect copyright.PENANAzu5FRIXx9t
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。599Please respect copyright.PENANAlVvA6C6fk8
599Please respect copyright.PENANAWbVhYh6nNt
599Please respect copyright.PENANABzFZZjJ35k
(圖3)究竟身體能夠提供得到幾多卡路里予運動上?599Please respect copyright.PENANABHcTPWHnWe599Please respect copyright.PENANAQvrenmrrjD
599Please respect copyright.PENANA5mwLTm6dyJ
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?599Please respect copyright.PENANAEyhEHU4aV6
599Please respect copyright.PENANAqlFHArUana
好大部份的原因,均歸咎於名為HIT THE WALL的現象,下篇再續。599Please respect copyright.PENANAUJ9OICjC9f
599Please respect copyright.PENANAgVZYHf9NHd
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。599Please respect copyright.PENANA0XJ7PeCebw
599Please respect copyright.PENANAJFoZgVlj3A
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/toc599Please respect copyright.PENANAm5DPY5CJJ6
599Please respect copyright.PENANAUod0beLneH
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。599Please respect copyright.PENANARiLiByatG7
599Please respect copyright.PENANADSSyg8ifYx
Link:599Please respect copyright.PENANAkxfqC0vJUD
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio599Please respect copyright.PENANAVZs99GnfVl
599Please respect copyright.PENANAEnJT9AtKDj
599Please respect copyright.PENANAORtxuthmol
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。599Please respect copyright.PENANAhdYrY1SxZ3
https://www.instagram.com/potatopigtongue/599Please respect copyright.PENANAsKngw0xCGO
599Please respect copyright.PENANAcIUeAyfuhr
Ref1:https://journals.physiology.org/doi/abs/10.1152/jappl.1963.18.2.367599Please respect copyright.PENANAZjm1cYFX3f
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1859586/599Please respect copyright.PENANADtcaYYCsLT
Ref3:https://www.nature.com/articles/s42255-020-0251-4599Please respect copyright.PENANAkemu3kkSl5
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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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