
Barcelona's Ronaldinho sits on the pitch during their Champions League first knockout round, second leg soccer match against Celtic Glasgow at Nou Camp stadium in Barcelona March 4, 2008. Ronaldinho was left off the list of the Brazilian national team who will play in London against Sweden in a soccer friendly on March 26.
Ronaldinho is not injured but is to follow a specific program to recover from his "medical problems", Barcelona's medical services have said.
The Brazil forward missed the 2-2 draw away to Almeria in the Spanish Primera Liga on Sunday, with coach Frank Rijkaard saying the player was left out of the squad because he was injured.
The 27-year-old playmaker only trained for six minutes on Monday before leaving the club's training pitches.
"As a result of a persistent problem in the adductor muscle of the right leg the player has had a scan which revealed there is no muscle or tendon injury," Barca's medical services said in a statement on the club's Website.
"The player will receive specific treatment to solve the medical problems that remain."
No time period was given for how long Ronaldinho would be laid low.
Barcelona visits Valencia for their Copa del Rey semifinal, second leg match tomorrow, with the tie level at 1-1.
Ronaldinho is a doubt but Portugal midfielder Deco is definitely ruled out with a calf strain. "The player will work on a specific recovery plan to be ready for the Champions League quarterfinal match against Schalke 04," the statement said.

Barcelona's Ronaldinho gestures after losing their Spanish first division soccer match against Villarreal at Nou Camp stadium in Barcelona, March 9, 2008.
The first leg is in Gelsenkirchen on April 1. Meanwhile, another Brazilian Ronaldo is paying very little attention to Pele's prediction that he will not fully recover from his latest knee injury.
Pele on Friday said it would be "difficult" for Ronaldo to recover and return to his level of play.
"I'm actually glad he said that," Ronaldo told Radio Globo on Sunday night. "We all know Pele is known for making wrong predictions about everything. It usually happens the opposite of what he says."
Ronaldo said he was not upset. "I know he is an idol and is asked about all subjects," Ronaldo said. "Sometimes that puts him in difficult situations."
On Sunday, friend and former Real Madrid teammate Zinedine Zidane said he is confident Ronaldo will overcome the knee injury.
Commend 和 recommend 的区别
Appreciate 和 recognise 之间的区别
Is breast cancer linked to night shifts? 乳腺癌与上夜班有关系吗?
So far 的用法
Shade or shadow? “阴”和“影”的区别
Talk nineteen to the dozen 说话很快,喋喋不休
Barrier, hurdle, impediment, hindrance 四个表示“障碍”单词的区别
Work your socks off 拼命干活
Objective and purpose 目标和目的
At sixes and sevens 乱七八糟
Retailer, wholesaler, distributor, outlet 几个词的区别和用法
Parcel, sack, box 包裹类词语
Knock your socks off 叹为观止
Football and soccer 两个词的区别
Take part in, join in, participate, attend 四个表示“参加”的单词或短语
Revise and review 的区别
Teenager, adolescent, kid and child 英语中“孩子”的几种说法
Labour, labourer, workforce, worker 与“工作”相关的四个单词
Limit 和 restrict 的区别
Dictionary and other words 与“词典”相关的近义词
Greetings after a short break 小别后的问候
Clash 和 crash 之间的区别
Connection and link 两个表示“关系”的单词
Improving your vocabulary 增加词汇量
Been to vs gone to 语法辨析
Distinguished 和 distinguishable 之间的区别
A sense of belonging 归属感
Almost, nearly, more or less “差不多”的三个近义词
Infer vs conclude 两个易混词
Acknowledge and admit 两个表示“承认”单词的区别
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