“我的背部和大腿伤势并没有完全恢复，我现在是95%的健康。”博尔特说。BBC的疑问随之而来，如果一个95%健康的博尔特能够打破奥运会纪录的话，那么百分百健康的他，是否打破的就是世界纪录了？

“My back and thigh injury and had not fully recovered，I am 95% health。”Bolt said。The BBC's question followed，If a 95% healthy bolt can break the Olympic record，So of his health，Whether break is the world record？

　　要回答这一问题，先来看看怎样才算是完美的百米跑。运动训练师菲尔认为，选手在前10米的起跑阶段应该保持身体前倾，从脚部发出最大的推动力；在接下来的50米加速阶段，应慢慢将身体竖起；在最后40米进入大步的高速阶段。而数学家莱扎·诺巴里用数学模型计算出，人类百米最快时间为9秒44。

To answer this question，Let's look at what is a perfect meters running。Sports training division phil think，Players in the top 10 m starting stage should keep the body forward，From a foot the biggest driving force；In the next 50 meters accelerating stage，Slowly the body should be erected；In the last 40 meters into the stride of high-speed stage。And mathematician lai firm ·'s Barry using mathematical model to calculate the，Human meters the fastest time is 9 seconds 44。

　　博尔特能做到吗？起跑阶段，他的0.165秒比反应第一的荷兰人慢了0.026秒。换言之，只要起跑足够理想，以他昨天的后程就已经逼近9秒60了。而且，博尔特的前半程也并非完美无缺。在总共42步到达终点前，博尔特直到第22步才冲到第一的位置。半决赛的情况显示，来自广东中山的小伙子苏炳添都能在前30米领先博尔特。

Bolt can do it？Starting stage，His 0.165 seconds than reaction first Dutch slowed 0.026 seconds。In other words，As long as the ideal enough，He HouCheng yesterday has been approximation 9 seconds the 60。and，The first half of the bolt is not perfect。In all, 42 steps to reach the destination before，Bolt until step 22 to rush to the first position。The semi-final show，From guangdong zhongshan young man SuBing add can in the first 30 meters ahead of the bolt。

　　不难看出，“闪电”在到达巅峰前先迟疑了一会儿。德国科隆体育大学生物科学与骨科研究所运动科学专家威尔瓦赫就指出，博尔特还没有发挥出他的全部潜力。在他看来，“受1.96米身高的影响，博尔特达到他的最快速度所需时间比其他运动员要长。但是等别人都慢下来时，他却能够始终保持最高速度。这也是他在200米上优势更明显的重要原因。”

It is easy to see，“lightning”In the reach peak before you hesitated for a while。German cologne sports university biological science and orthopaedic institute sports science experts will tile Hector is pointed out，Bolt haven't play out his full potential。In his view，“By the influence of the height of 1.96 m，Bolt achieve his fastest time needed for speed than other athletes want to grow。But others such as slow down，But he can always maintain the highest speed。This is also in his 200 m more obvious advantages of the important reasons。”

　　关于博尔特的身高对百米跑是利大还是弊大，科学结论是辩证的。一方面，他拥有很好的躯干比例，他从鞋底到胯部有1.1米，在跑步的过程中重心就很高，更容易加速。而且，博尔特最长的一步可达2米95，而其他选手的均值只有2米43，这让他能在百米中比对手少跑3到4步。但另一方面，由于身高的原因，博尔特在起步时，无法像其他小个子选手那样蜷紧身体，向炮弹一样把自己弹射出去。

About bolt height on the - meter run is big or large disadvantages，Scientific conclusion is dialectical。On the one hand，He has a good proportion of the trunk，He from the sole to crotch has 1.1 meters，In the process of running the high center of gravity，Easier to accelerate。and，Bolt the longest step up to 2 m，While the other players mean only 2 meters 43，This let him in the meters in less than your competitors run 3 to 4 steps。But on the other hand，Because of the reason of the height，Bolt started in，Not like other little players up tight as body，His ejection to shell out。

　　但在BBC评论员看来，这样的不占优势或许正是优势所在，“他这次无法像在北京时那样闲庭信步，全是因为男子百米世界二号人物，他的同胞布雷克正杀气腾腾地一路紧逼。”

But in the BBC commentators it seems，This is perhaps not the advantage，“This time he can't like in Beijing as idle walk in the court，It is all because of men's metres world number two characters，His compatriots Blake is combatively way press。”

　　的确，就在群雄对博尔特这一骑绝尘的追赶中，人类史上最光辉灿烂的百米决赛成绩单闪亮出炉——前四名都跑到了9秒80，博尔特的9秒63，布雷克9秒75，加特林9秒79，盖伊9秒80；前七名全部在10秒以内。若不是鲍威尔前半程用力太狠折损了肌肉，本届奥运会男子百米决赛将会以八大金刚全部打开10秒大门而被载入史册。

indeed，In a to bolt the ride dust-proof pursued in，Human history the most brilliant meters final transcript a shiny - the first four names ran 9 seconds 80，Bolt of 9 seconds 63，Blake 9 seconds 75，Justin gatlin 9 seconds 79，Guy 9 seconds 80；In the first seven all within 10 seconds。If not Powell's first half force too malicious wreck a muscle，The Olympic men's meters final will be to eight lords all open 10 seconds gate and go down in history。

　　与其说博尔特需要改进技术让自己突破极限，不如说，整个百米飞人家族正向世界纪录冲刺。

Rather than bolt needs to improve technology to breakthrough limit，as，The meters world record air family positive sprint。