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。527Please respect copyright.PENANA1gK1084eVb527Please respect copyright.PENANA3NRZmZzscJ
527Please respect copyright.PENANARthkHEvRZP
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。527Please respect copyright.PENANAl4rDVCF01O
527Please respect copyright.PENANAfCt9ICm6kH
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。527Please respect copyright.PENANA9w9wbFqySR
527Please respect copyright.PENANAqauwPsJRG1
(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?527Please respect copyright.PENANAXyK0F9e5oT527Please respect copyright.PENANAt4gkgsc2rd
527Please respect copyright.PENANAfToYWE5C1s
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。527Please respect copyright.PENANA9lDYdDuPd7
527Please respect copyright.PENANA4G8OxZLtkv
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)。527Please respect copyright.PENANAWCnxM87EtL
527Please respect copyright.PENANA1ucwjad6sy
(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。527Please respect copyright.PENANAlpZBDPMaAp527Please respect copyright.PENANAQboKbf6rPG
527Please respect copyright.PENANAuQ2leKC4gc
每1kg每1km就會消耗1卡路里,只適用於跑步之上。527Please respect copyright.PENANAjdLue29TDn
527Please respect copyright.PENANASLzEnemLkh
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。527Please respect copyright.PENANAHePLjnVXph
527Please respect copyright.PENANAyNrfxddMFX
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。527Please respect copyright.PENANAQmfMWwFbPB
527Please respect copyright.PENANAoJEL3OHqxr
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。527Please respect copyright.PENANA6PxoLtCQds
527Please respect copyright.PENANAIjiuofkphv
527Please respect copyright.PENANApSJRczk2CB
(圖3)究竟身體能夠提供得到幾多卡路里予運動上?527Please respect copyright.PENANAbsOKkPU6y6527Please respect copyright.PENANAN9JtoFxBZ4
527Please respect copyright.PENANAx98pIlPqxq
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?527Please respect copyright.PENANA80Kkhvsvsn
527Please respect copyright.PENANAn0figyEzOO
好大部份的原因,均歸咎於名為HIT THE WALL的現象,下篇再續。527Please respect copyright.PENANAI14NUQNcuC
527Please respect copyright.PENANAlfhZwJWdRm
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。527Please respect copyright.PENANAe56Bjjh5Ot
527Please respect copyright.PENANARzEeqnbl5z
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/toc527Please respect copyright.PENANAPEoOTkkaaE
527Please respect copyright.PENANAaMXqvlVMUb
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。527Please respect copyright.PENANAjschYAWCgk
527Please respect copyright.PENANAoC3jF3KKdv
Link:527Please respect copyright.PENANA8Jm3H5kQGE
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio527Please respect copyright.PENANAbkBGLCUYVq
527Please respect copyright.PENANAU78ezM1rgL
527Please respect copyright.PENANASjP7Oc2J3t
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。527Please respect copyright.PENANA5VvWKpEwLx
https://www.instagram.com/potatopigtongue/527Please respect copyright.PENANAwdNUmcqLPy
527Please respect copyright.PENANAxGTgAnGhLA
Ref1:https://journals.physiology.org/doi/abs/10.1152/jappl.1963.18.2.367527Please respect copyright.PENANAZFqZPAy5zO
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1859586/527Please respect copyright.PENANAPQi0iX3FGG
Ref3:https://www.nature.com/articles/s42255-020-0251-4527Please respect copyright.PENANAV9w8gZQbv2