The top-ranked Spaniard said in a statement Tuesday that aftertwo days of medical tests in Barcelona he has decided to tryphysical therapy to prepare for the tournament, which starts June22.
"I am going to give my 200 percent to be ready for the mostimportant tournament in the world," Nadal said. "I will not goout and play, especially on the Wimbledon Centre Court, if I am not100 percent ready to play.
"I have two difficult weeks ahead of me, especially because Iwon't be doing what I like doing most, which is to play tennis."
Nadal withdrew from a grass-court warmup event at Queen's Clubthis week. His 31-match winning streak at the French Open endedwith a fourth-round loss to eventual finalist Robin Soderling.
"I have been playing with pain on my knees for some months nowand I simply can't go on like this," Nadal said. "The pain waslimiting certain movements in my body, which affected me mentallyas well."
Spanish Tennis Federation physician Dr. Angel Ruiz-Cotorro saidNadal has tendinitis in both knees.
"His treatment will involve oral anti-inflammatories,physiotherapy, as well as muscular exercises for both quadriceps,"Ruiz-Cotorro said.