做運動有助減肥,就等同721事件包含警黑合作成份一樣,是無容置疑的事情。1208Please respect copyright.PENANAZ2ywKoCTJB1208Please respect copyright.PENANAOoMm1CPFIh
1208Please respect copyright.PENANA2OGYAXU83g
而本篇文章將嘗試以簡淺及略微深入兩種手法,以科學角度解釋做運動如何有助減肥。1208Please respect copyright.PENANAiSKu7qQlmb
1208Please respect copyright.PENANAaJbyFdIfFz
1208Please respect copyright.PENANAUcfZWnHcsA
(圖2)要用一句話來概括運動如何有助減肥的話,那就是運動能夠調教身體的肌肉細胞更有傾向及更有效率分解身體的脂肪。1208Please respect copyright.PENANAXDM4ZJb1eK1208Please respect copyright.PENANAUVycn4lXmX
1208Please respect copyright.PENANAkeDGAjz3tT
當我們持績進行帶氧運動的話,脂肪便會被分解。而被分解的脂肪會經由血液循環系統抵達肌肉部位,在氧氣、水及各蛋白酶的幫助下,脂肪會在肌肉細胞裡轉化成為細胞所需的能源(ATP),支撐運動所需的消耗。1208Please respect copyright.PENANAIxP1HJn9Th
1208Please respect copyright.PENANAKV1g5Gk54x
(圖3)綜合現今真實人類研究的數據及主流新陳代謝理論的話,不論男女,帶氧運動會對數個與脂肪新陳代謝有關的蛋白酶作出轉變。1208Please respect copyright.PENANAnvbS20BnZv1208Please respect copyright.PENANAl9Q617YmwF
1208Please respect copyright.PENANAflG3usReJ2
當脂肪來到肌肉細胞外部的時候,位於肌肉細胞外部表面的mLPL(muscle lipoprotein lipase)會將脂肪分解成為更簡單的結構,從而使脂肪結構得以進入細胞內層(cytoplasm)。1208Please respect copyright.PENANAKBOltjfHOs
1208Please respect copyright.PENANAT7VShtOQN3
有長期運動習慣的人士,運動時候的mLPL最大功率會比沒有運動習慣的人士為高(Ref1,2)。1208Please respect copyright.PENANAtPZK1XWCeA
同時間,有研究指出進行為期8星期的帶氧運動的話,mLPL的功率會增加40-70%左右(Ref3,4)。1208Please respect copyright.PENANA9bLKs3KWZO
1208Please respect copyright.PENANAoZylNeziuc
這顯示出持續運動有助肌肉細胞更有效率吸收脂肪。1208Please respect copyright.PENANAcwte1EcFph
1208Please respect copyright.PENANA5AdOuSUwVl
脂肪結構進入細胞內層後,將會進行一系列的化學反應,然後再經由CPT1蛋白酶的幫助下進入mitochondria;1208Please respect copyright.PENANA3N2rgLVV0k
mitochondria是真正將脂肪結構轉化成為ATP能源的主要地方。1208Please respect copyright.PENANAZCghw88FGR
1208Please respect copyright.PENANAwZdtBzKxpY
研究顯示,有運動習慣的人士,運動時候的CPT1最大功率會比沒有運動習慣的人士高出20-90%不等(Ref5,6,7)。1208Please respect copyright.PENANAFfx22YllDJ
1208Please respect copyright.PENANAuredOTIUs0
而當沒有運動習慣的人士持續進行8個月的帶氧運動後,CPT1的功率會比之前高出250%有多(Ref8)。1208Please respect copyright.PENANA9IN5aZYJSv
1208Please respect copyright.PENANABn90RDFc6v
脂肪結構進入mitochondria後,四步化學反應會將它們變成為更簡單的結構(acetyl-CoA),其中之一步將依靠HAD蛋白酶執行。1208Please respect copyright.PENANALMOCUTJ3kW
1208Please respect copyright.PENANAC1O1JBzy97
有研究指出持續數星期運動會促使HAD最大功率增加20-40%(Ref9,10)。而持續進行6星期HIIT運動(高強度間歇訓練,High-intensity interval training)亦會使HDA最大功率增加20-30%(Ref11,12)。1208Please respect copyright.PENANA8k9hjnV9di
1208Please respect copyright.PENANAuV1mbuDM0g
脂肪結構變成為acetyl-CoA後,一系列的化學反應會再作進行,最後才能夠變成為ATP能源。1208Please respect copyright.PENANAomKsydcX6w
CS蛋白酶有份參與在其中一道的化學反應,而有著恆常運動習慣的人,其CS功率亦比沒有運動習慣的人士高出約33%(Ref13)。1208Please respect copyright.PENANAlbx0VHGwNG
1208Please respect copyright.PENANAhdWKYPjGqn
(圖4)之於糖份新陳代謝方面,裡頭有著與脂肪新陳代謝重疊的化學反應步驟。1208Please respect copyright.PENANASABeeZCH8c
而長期運動的人士擁有比較高的PDK4功率(Ref14),能阻截糖份在mitochondria轉化成為ATP能源,改以在細胞內層(cytosol)進行,好讓脂肪能盡情地在Mitochondria裡轉化成為ATP能源。1208Please respect copyright.PENANAmUEl6HPXJN1208Please respect copyright.PENANAURmjLK9Eq3
1208Please respect copyright.PENANAJPG5WoVHcn
總括而言,持續進行帶氧運動的話,肌肉細胞會自動調節更有效率地分解脂肪,同時亦會傾為改用脂肪而非糖份作為ATP能源的原料。1208Please respect copyright.PENANAYvKIwZSqcF
1208Please respect copyright.PENANADpqfeBHNHK
1208Please respect copyright.PENANAHdF0drHfRm
這次深入中出嘗試加入了一些可能較難理解或較為沉悶的資料,若果反應未如理想的話,下篇將會調節回平日的深入淺出方法繼續探討各科學問題。1208Please respect copyright.PENANAQSheG2z5sN
1208Please respect copyright.PENANAXS52rgBArS
若果大部份人覺得無問題的話,下篇將會以同等的方式講解一下運動後的數小時應否進食。1208Please respect copyright.PENANA5sCQSelQxd
1208Please respect copyright.PENANAAtWX78eizW
1208Please respect copyright.PENANASaDs9nTlN6
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。1208Please respect copyright.PENANA3yU2IOgLyq
1208Please respect copyright.PENANAIV1en7OcTe
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/toc1208Please respect copyright.PENANAPtNJEIF7iu
1208Please respect copyright.PENANAgYtvATwl1M
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。1208Please respect copyright.PENANAVIdnIqNia2
1208Please respect copyright.PENANA3xZfZeoE13
Link:1208Please respect copyright.PENANAPgg34yimvI
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio1208Please respect copyright.PENANA7HXRybyTQf
1208Please respect copyright.PENANAOIac5ikNo9
1208Please respect copyright.PENANAlGuIfji7oU
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。1208Please respect copyright.PENANAyCsswfDbVx
1208Please respect copyright.PENANAsPAOBZmlz3
Ref1:https://pubmed.ncbi.nlm.nih.gov/15155715/1208Please respect copyright.PENANA1g1NlZlMQq
Ref2:https://pubmed.ncbi.nlm.nih.gov/212665/1208Please respect copyright.PENANAzt8EzePbas
Ref3:https://pubmed.ncbi.nlm.nih.gov/6667282/1208Please respect copyright.PENANAVAM7f7wYBK
Ref4:https://pubmed.ncbi.nlm.nih.gov/2643634/1208Please respect copyright.PENANArhrvU0Y0it
Ref5:https://pubmed.ncbi.nlm.nih.gov/11912554/1208Please respect copyright.PENANALvd5bicanM
Ref6:https://pubmed.ncbi.nlm.nih.gov/9655768/1208Please respect copyright.PENANArSv6iDrX48
Ref7:https://pubmed.ncbi.nlm.nih.gov/10710500/1208Please respect copyright.PENANASD9iBDXsv1
Ref8:https://pubmed.ncbi.nlm.nih.gov/16464906/1208Please respect copyright.PENANAQh6BtDd4GW
Ref9:https://pubmed.ncbi.nlm.nih.gov/22235293/1208Please respect copyright.PENANAngDVlgiYuM
Ref10:https://pubmed.ncbi.nlm.nih.gov/19106247/1208Please respect copyright.PENANAJaG1JBCbix
Ref11:https://pubmed.ncbi.nlm.nih.gov/19088769/1208Please respect copyright.PENANAghCSRomX0A
Ref12:https://pubmed.ncbi.nlm.nih.gov/17991697/1208Please respect copyright.PENANAJOL7KzNvF2
Ref13:https://pubmed.ncbi.nlm.nih.gov/25057335/1208Please respect copyright.PENANAMUCF0rDc8B
Ref14:https://pubmed.ncbi.nlm.nih.gov/15020699/1208Please respect copyright.PENANAaePGG0bjaM