The players underwent the tests in the Real Madrid Sanitas Medical Center at Real Madrid City and in the Sports Medicine Unit of the Sanitas La Moraleja University Hospital.
His team beat Croatia in the final as Modric and Kovacic’s were runners-up.
The Real Madrid player, who scored two goals and picked up three MVPs, led Croatia to their best finish in history.
The French defender joins the select list of Real Madrid players who have won both titles in the same season.
Varane is the latest to add his name to this list.
A 22-year-old full-back and Spanish international, he's been with the national team at the Russia World Cup and was included in the uefa.com LaLiga breakthrough team 16/17.
Real Madrid reigned over Europe this season in both football and basketball, adding to their legendary status on the continent.
The Whites will make their tournament bow on 19 December as they bid to defend their crown in Abu Dhabi.
With Santiago Solari at the helm, the reserves completed their first training session of pre-season at Real Madrid City.
Visitors will have the unique opportunity to set foot on the pitch at the madridista stadium.
