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。579Please respect copyright.PENANArj7QDIGWwM579Please respect copyright.PENANA8RULk3LCwa
579Please respect copyright.PENANAu52iFSs2b6
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。579Please respect copyright.PENANAHgC6sDwnfY
579Please respect copyright.PENANAWsRm3Ny2pk
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。579Please respect copyright.PENANAAnbkh4GDLm
579Please respect copyright.PENANAEhH2NmwJUH
(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?579Please respect copyright.PENANAZtfSeZKwSQ579Please respect copyright.PENANAiFsiFwTHix
579Please respect copyright.PENANA6rejKMxQVW
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。579Please respect copyright.PENANAevy8vGOUIK
579Please respect copyright.PENANA0CD1WDUmzY
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)。579Please respect copyright.PENANAnXmVviKPrt
579Please respect copyright.PENANAJlpyZdM72w
(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。579Please respect copyright.PENANAYhuoQBLEZO579Please respect copyright.PENANA7SygLsH6Gb
579Please respect copyright.PENANAZOK6rzDU3B
每1kg每1km就會消耗1卡路里,只適用於跑步之上。579Please respect copyright.PENANA7ODjKAI0ZZ
579Please respect copyright.PENANAMZKtljqZek
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。579Please respect copyright.PENANAlKwQ6kbNne
579Please respect copyright.PENANAgggRNysSH0
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。579Please respect copyright.PENANAMF8u9G5RoN
579Please respect copyright.PENANAqyHJ12kzid
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。579Please respect copyright.PENANAQO2atP6QhW
579Please respect copyright.PENANAaJ9pCthCJ3
579Please respect copyright.PENANAOkRMtaFVkf
(圖3)究竟身體能夠提供得到幾多卡路里予運動上?579Please respect copyright.PENANA9cgKNrxE17579Please respect copyright.PENANAC5R6V876Ni
579Please respect copyright.PENANAhikWE8ngoI
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?579Please respect copyright.PENANAOgHukWpllW
579Please respect copyright.PENANA90pAJ9Lu0H
好大部份的原因,均歸咎於名為HIT THE WALL的現象,下篇再續。579Please respect copyright.PENANArXY0LjfQiX
579Please respect copyright.PENANAIfd5JWkrSS
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。579Please respect copyright.PENANAQBPdt5ZDd7
579Please respect copyright.PENANAG2rzWdK1eX
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/toc579Please respect copyright.PENANAMyF0yhmhiu
579Please respect copyright.PENANAmHm4M6cqCA
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。579Please respect copyright.PENANAKtfXbzykKC
579Please respect copyright.PENANAtujpSFtBUu
Link:579Please respect copyright.PENANAY86qr8E731
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio579Please respect copyright.PENANAfACPKrytVY
579Please respect copyright.PENANANkr9BoB4nk
579Please respect copyright.PENANA3YA9v9k97P
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。579Please respect copyright.PENANAmMMbNBmnLb
https://www.instagram.com/potatopigtongue/579Please respect copyright.PENANAFs9qwccG0B
579Please respect copyright.PENANAliU2DOP99L
Ref1:https://journals.physiology.org/doi/abs/10.1152/jappl.1963.18.2.367579Please respect copyright.PENANAqK9Ga8BKZP
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1859586/579Please respect copyright.PENANAm293XCm6mT
Ref3:https://www.nature.com/articles/s42255-020-0251-4579Please respect copyright.PENANAALzK81RC3Y
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篇 #85
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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