Originally Posted by goldenlox
Criticism by some of the media is not like a major injury. Its not an excuse to never win a title anymore
True - but tennis is a mental game. So loss of confidence is a big factor - and for some ends up being a bigger obstacle than an injury.
With an injury you work hard to get better, and at some point you are cleared - and as good as new. However, from when you decide to work on the lacking confidence to you actually see the difference - can take months or years. Because this isn't only at your own racquet.
Dementieva didn't have serve problems in practice - neither did Ivanovic. But come match time then all the good was gone along with their confidence.