【Marathon Sub 2 !?】
馬拉松打破2小時障礙,究竟有沒有可能?
這話題其實不只運動品牌關注,學術界其實也注意到了,《Sports Medicine》這期刊最近的一篇文章就在探討此議題,但這篇文章要花39.95歐才能下載(哭),只好看看摘要了..
Abstract
A sub-2-hour marathon requires an average velocity (5.86 m/s) that is 2.5% faster than the current world record of 02:02:57 (5.72 m/s) and could be accomplished with a 2.7% reduction in the metabolic cost of running. Although supporting body weight comprises the majority of the metabolic cost of running, targeting the costs of forward propulsion and leg swing are the most promising strategies for reducing the metabolic cost of running and thus improving marathon running performance. Here, we calculate how much time could be saved by taking advantage of unconventional drafting strategies, a consistent tailwind, a downhill course, and specific running shoe design features while staying within the current International Association of Athletic Federations regulations for record purposes. Specifically, running in shoes that are 100 g lighter along with second-half scenarios of four runners alternately leading and drafting, or a tailwind of 6.0 m/s, combined with a 42-m elevation drop could result in a time well below the 2-hour marathon barrier.
簡言之:
1. 其實只要每秒再快個0.14公尺(每分鐘多個8.4公尺,每小時多個504公尺)就辦到了
2. 所以跑者的體型(體重),腿的肌耐力至關重要
3. 比賽時最好有點順風,每秒6公尺的風速,這感覺像是微風會讓樹枝略為搖動的風力
4. 最後賽道是略往下,總和是下降42m的路線
5. 接著,鞋子能再輕個100g
就醬子,破2障礙可達成...........
跑者表示:你這鍵盤叫練........
資料來源:http://link.springer.com/article/10.1007%2Fs40279-017-0708-0
同時也有2部Youtube影片,追蹤數超過19萬的網紅National Football News,也在其Youtube影片中提到,UNDISPUTED | Shannon "on fire" Cowboys can do "something unconventional" with #10 pick #undisputed #undisputedfs1 #skipbayless #shannonsharpe #skipan...
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We start off Day 4 at TI4 with an interview with Team Razer! Titan's currently 5-4 in the groupstage and will be facing DK, Mouz, NAR`vi, LGD & Liquid today, what do you think our chances are?
#Titan #TI4
We have been following The International 4 closely and decided to sit down with Titan to pick the player’s brains. Find out what the team thinks about the competition below.
Team Razer: What are the differences in metagame between the different regions; NA, EU, SEA, CN
Xtinct: I think NA and EU are more similar in their playstyles - they tend to have more unconventional picks and surprising strategies that makes them unpredictable. The Chinese playstyle would be more stable; they are smarter in their picks and laning, and they've improved a lot compared to last year. As for SEA, the playstyle is generally more aggressive but there is much room for improvement when it comes to picks and laning.
Team Razer: In reference to the previous question, which do you feel is the strongest, or hardest to go up against?
Ohaiyo: I'd say China. After all their playstyle is more stable and established, and they were definitely not satisfied with their performance at TI3 last year, so this year all the Chinese teams will be working much harder than the rest to achieve better results. In my opinion DK would be the strongest amongst them, because they are so well-balanced as a team and strong in almost every aspect of the game.
Team Razer: Do you see Dota 2 or eSports in general picking up more in SEA? What do you think could be done to help grow it?
NWP: Yes there has been a bit of growth over the years, but I believe it is going to take some time before SEA can prove itself as a region. We can probably achieve this by making a name for ourselves in more international tournaments over time.
Team Razer: What would you do with the money if you were to win TI4?
Net: I'd buy a sports car, a house, travel around a bit... and then I'll probably just stay at home accompanied by a brand new computer.
Have you been following the tournament? What do you think of Titan’s performance so far? Let us know in the comments below.
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#firsttake #espnfirsttake #espn #stephenasmith #maxkellerman
![post-title](https://i.ytimg.com/vi/s9tnPqtWNrY/hqdefault.jpg)
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UNDISPUTED | Skip on Jerry Jones says Cowboys can do "something unconventional" with #10 pick
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