Doctors who deal with sports injuries, in a way, hold the future of athletes in their hands. And sometimes medical decisions clash with an athlete's desire to come back quickly.

"It's difficult when you're at the absolute elite level, if you're going to play in the Olympic final or perform and maybe you're at the end of your career. You know they're doing their last Olympics and the flaws are piling up. Then it is important to weigh your words on a golden scale, says Waldebäck.

Listen to Björn Waldebäck and physician colleague Calle Siljeholm talk about some of the dilemmas that arise when an athlete is treated.

Watch the full report "The doctors who patch up the stars" on SVT Play