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。67Please respect copyright.PENANAgFnw1prEVe67Please respect copyright.PENANAe69apoAL6j
67Please respect copyright.PENANAP1Vj0U5C0F
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。67Please respect copyright.PENANAo4ibX6u5iK
67Please respect copyright.PENANAtrizNqY9me
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。67Please respect copyright.PENANAaaaIICPAVY
67Please respect copyright.PENANAhBKkCjfEAI
(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?67Please respect copyright.PENANAvPg6j5tH8a67Please respect copyright.PENANA3qtHW8Z7yU
67Please respect copyright.PENANAty9689hPlU
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。67Please respect copyright.PENANA9VR8mNMPKg
67Please respect copyright.PENANAtlsgptEXQg
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)。67Please respect copyright.PENANA1HWUV7nD5Y
67Please respect copyright.PENANAYSmFSbnlK8
(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。67Please respect copyright.PENANAMXubZKRrRs67Please respect copyright.PENANAl603RS8d7J
67Please respect copyright.PENANAnVtOlPtVlp
每1kg每1km就會消耗1卡路里,只適用於跑步之上。67Please respect copyright.PENANALCGVT6rUEw
67Please respect copyright.PENANAc2fT455U4t
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。67Please respect copyright.PENANApzRLQotJyB
67Please respect copyright.PENANAEcNPKZztF6
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。67Please respect copyright.PENANAj0naLe5xOi
67Please respect copyright.PENANAnENkjsxDuG
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。67Please respect copyright.PENANAdaKfNHGzN9
67Please respect copyright.PENANAox023vw8Ky
67Please respect copyright.PENANAE0bDEYnHnD
(圖3)究竟身體能夠提供得到幾多卡路里予運動上?67Please respect copyright.PENANAEEHNfubX8B67Please respect copyright.PENANA7C2VTTNwzP
67Please respect copyright.PENANAQOFQ9Clt3y
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?67Please respect copyright.PENANAHVJxirWUy1
67Please respect copyright.PENANAzOWQsBTGXL
好大部份的原因,均歸咎於名為HIT THE WALL的現象,下篇再續。67Please respect copyright.PENANAT9WZQcghbd
67Please respect copyright.PENANAwAcsZ65ZhH
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。67Please respect copyright.PENANAFCDBum734f
67Please respect copyright.PENANAImmVhXQQz1
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/toc67Please respect copyright.PENANAGEImWW3LfX
67Please respect copyright.PENANAIg0ek3oHDz
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。67Please respect copyright.PENANAgs8JHpF9Ca
67Please respect copyright.PENANAdE6Hx8wCP7
Link:67Please respect copyright.PENANAFvmYVoTG5e
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio67Please respect copyright.PENANAWMxddPxQth
67Please respect copyright.PENANAErneTkX6zD
67Please respect copyright.PENANA1oo2A307gG
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。67Please respect copyright.PENANAlH20by6lXq
https://www.instagram.com/potatopigtongue/67Please respect copyright.PENANAk1QJIYypHr
67Please respect copyright.PENANABqTDvevjMj
Ref1:https://journals.physiology.org/doi/abs/10.1152/jappl.1963.18.2.36767Please respect copyright.PENANA7Z0y1e4zjC
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1859586/67Please respect copyright.PENANAWGyo13agaH
Ref3:https://www.nature.com/articles/s42255-020-0251-467Please respect copyright.PENANADse6bGYwHm
copyright protection63PENANAGV0UnOXIBw
科普專欄–薯不揀單
Tags
- G: General Audiences
- PG: Parental Guidance Suggested
- PG-13: Parents Strongly Cautioned
- R: Restricted
RATED

Popularity
Follow Author
#85
深入淺出–點解瘦削運動員都能夠跑畢馬拉松全程?(2)
Comments ( 0 )
No comments yet. Be the first!
Loading...