World Cup 2014: Cristiano Ronaldo returns to Portugal training
- From the section 2014 Fifa World Cup
Cristiano Ronaldo trained with the rest of the Portugal squad on Friday following fears his World Cup participation could be in doubt.
The Real Madrid forward, 29, had his left knee taped up as he took part in light drills.
The World Player of the Year limped out of training on Wednesday with an ice pack strapped to his knee.
His country, who lost their opening Group D match 4-0 to Germany, face the United States in Manaus on Sunday.
For the best of BBC Sport's in-depth content and analysis, go to our features and video page.