The amount of international cricket played each year has dramatically increased over the years. Very frequently we hear about fitness problems, particularly in the Indian camp. Just the last series against Bangladesh witnessed injuries to Manoj Tewari, Sreesanth, Munaf and possibly others. Several questions have been raised about the lack of fitness but no solutions have been found for what appears to have become a serious, recurring issue.
Here is an insightful and very interesting article on the issue, where the author refers to Cricket as a game for the unfit!