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。528Please respect copyright.PENANANSB49FgDaN528Please respect copyright.PENANAiR7q2QUE0Q
528Please respect copyright.PENANAdC4u62oCXE
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。528Please respect copyright.PENANA3PUUkF7Ucr
528Please respect copyright.PENANAZWT5nT4ikp
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。528Please respect copyright.PENANA9PF4HumIps
528Please respect copyright.PENANAomnbRCfGwb
(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?528Please respect copyright.PENANAc4YoBamVyz528Please respect copyright.PENANANVyCiwY1vT
528Please respect copyright.PENANAo43ZHDuQi4
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。528Please respect copyright.PENANAgGLRaFjoVW
528Please respect copyright.PENANAHrUXClaBy5
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)。528Please respect copyright.PENANAMu3UA7jNid
528Please respect copyright.PENANAtIP5xdIaOo
(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。528Please respect copyright.PENANAwpII8jIFWi528Please respect copyright.PENANAASEBVeyk4L
528Please respect copyright.PENANAoJ6K2fdUTe
每1kg每1km就會消耗1卡路里,只適用於跑步之上。528Please respect copyright.PENANAViiv3zLkPc
528Please respect copyright.PENANAoOn7JbZ0MM
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。528Please respect copyright.PENANA6V4cYRtEBz
528Please respect copyright.PENANAj9F9MuRo3z
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。528Please respect copyright.PENANAEMntoNTgct
528Please respect copyright.PENANALy6NArxeC2
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。528Please respect copyright.PENANAocwf0H9siQ
528Please respect copyright.PENANA8oNUWEMSjf
528Please respect copyright.PENANAXPVFWlkU0Y
(圖3)究竟身體能夠提供得到幾多卡路里予運動上?528Please respect copyright.PENANAWYGECyfUKK528Please respect copyright.PENANAKDQfiplokX
528Please respect copyright.PENANAQitJjh4yyA
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?528Please respect copyright.PENANACqN0voEeP4
528Please respect copyright.PENANA51f5WOZV8L
好大部份的原因,均歸咎於名為HIT THE WALL的現象,下篇再續。528Please respect copyright.PENANA2dpuIFnjWM
528Please respect copyright.PENANA3hs1OLMyVZ
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。528Please respect copyright.PENANAUggbhKKCUt
528Please respect copyright.PENANADHJcl6UAZR
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/toc528Please respect copyright.PENANAgwpy2oyDLP
528Please respect copyright.PENANAkIMUzXtQde
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。528Please respect copyright.PENANA3miMY4xRFp
528Please respect copyright.PENANALZBQvybzPM
Link:528Please respect copyright.PENANAH9K86i1vg0
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio528Please respect copyright.PENANAHi7HVNLCfA
528Please respect copyright.PENANAnOKX4cUyzr
528Please respect copyright.PENANAUM7sLqZosj
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。528Please respect copyright.PENANAIerW4jTRV2
https://www.instagram.com/potatopigtongue/528Please respect copyright.PENANA6GzCATsb09
528Please respect copyright.PENANADZffEE1N0a
Ref1:https://journals.physiology.org/doi/abs/10.1152/jappl.1963.18.2.367528Please respect copyright.PENANAmeLsiWbwMY
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1859586/528Please respect copyright.PENANAvIUqvdDKRP
Ref3:https://www.nature.com/articles/s42255-020-0251-4528Please respect copyright.PENANAdbFgwXsrXI
arrow_back
科普專欄–薯不揀單
more_vert
-
info_outline 資料
-
toc 目錄
-
share 分享
-
format_color_text 介面設置
-
exposure_plus_1 推薦
-
打賞
-
report_problem 檢舉
-
account_circle 登入
X
科普專欄–薯不揀單
作者:
薯仔聞茱莉

篇 #85
深入淺出–點解瘦削運動員都能夠跑畢馬拉松全程?(2)
喜歡 2
閱讀 524
書籤 150
campaign
催更 0
打賞

按此加載下一章
X
每次催更後,作者都會收到通知!
smartphone100 → 催更
×
寫下你喜歡這個故事的地方
×
對此喜歡的人