However, the injury is not a recurrence of the tendinitis that has proved increasingly troublesome for Nadal and caused him to miss the defence of his Wimbledon title last year.
MRI and ultrasound tests showed a small tear at the back part of the Spaniard's right knee, reported Dr Angel Ruiz-Cotorro in a statement on Friday.
"After two weeks, and depending on the results of the different tests and controls, he will steadily resume his sporting activity with a total recovery time to resume competition in fours weeks," said Ruiz-Cotorro.
MRI and ultrasound tests showed a small tear at the back part of the Spaniard's right knee, reported Dr Angel Ruiz-Cotorro in a statement on Friday.
"After two weeks, and depending on the results of the different tests and controls, he will steadily resume his sporting activity with a total recovery time to resume competition in fours weeks," said Ruiz-Cotorro.