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近两年来,我一直想知道为什么杰莲娜(扬科维奇)和拉斐尔(纳达尔)不能在巡回赛之间喘口气,很多网球选手已经习惯了忍着伤痛比赛,尤其是在场地缓冲作用较小的硬地球场上,这是大多数网球选手在30岁之前退役的原因之一,他们的膝关节撑不住了。纳芙拉蒂洛娃33岁的时候,医生就说她的膝关节已经像60岁的老人,必须接受手术。我自己是成年之后才开始打网球,我的体质不错,大概整整8年里,我每天都要打球,而且很努力,现在我的膝关节已
For nearly two years, I’ve always wondered why Genella and Rafael (Nadal) can not take a break between the tournaments, and many tennis players are accustomed to enduring painful races, especially at One of the reasons why most tennis players retire before the age of 30 is that they have knee joints that can not be sustained on the hard courts where the venue has a less cushioning effect. When Navratilova was 33 years old, the doctor said her knee was already like a 60-year-old and had to undergo surgery. I started playing tennis after I was an adult, and I had a good physique. For about eight full years, I played every day and I worked very hard. Now my knee joint has been