Cristiano Ronaldo,33, underwent a number of routine tests and the medics were reportedly astounded by the fitness levels of the Portugal captain.
According to talkSPORT, Ronaldo has 7% body fat, which is around 3% less than the average professional.
The Portuguese also has a muscular mass of 50%, which is around 4% higher than the average professional.
Ronaldo recorded a top speed of 33.98km (21.1mph) at the World Cup, which was the fastest of any player in Russia.
via: INFORMATION NIGERIA