Cristiano Ronaldo is 20 years old- According to his Juventus medical

It is no secret that Cristiano Ronaldo keeps his body in pristine condition. But the results of the Portuguese stars medical ahead of his move to Juventus may have left even him surprised.

The former Real Madrid star celebrated his 33rd birthday earlier this year but medical staff in Turin found that he actually has the physical traits of a 20-year-old.

Ronaldo looked at ease as he was put through a series of tests before his sensational £100million switch from Real Madrid to the Serie A giants was confirmed - and now we know why.

The medical discovered that Ronaldo has a mere seven per cent body fat. That is roughly three per cent better than the average professional footballer.

Ronaldo also boasts a incredible muscle mass of 50 per cent, which is roughly four per cent better than other players.

He also recorded the highest sprint speed at the World Cup of any player with his quickest pace of 21.1 mph. He then went on to reproduce that in his medical.

Ronaldo has signed a four-year deal with the Italian giants, and is set to return to Turin in time for a few training sessions before making his debut on the opening day of the season.

After taking very little time off after the World Cup, Ronaldo has been in China to promote both his and Nike's brand.

He turned up at Beijing's Olympic Sports Centre on Tuesday and took part in a training session alongside starstruck fans.

During the week-long tour, Ronaldo has continued his efforts to promote football at a grass-roots level in China.

The government are committed to becoming a football powerhouse and their hope is that Ronaldo's mere presence will inspire youngsters to take up the sport.