Drinking coffee before exercising could make you run faster and lift heavier - if you've the right genes.
For any athlete to deliver a gold medal performance, mental toughness is an essential ingredient. But what exactly is mental toughness — and how does an athlete develop it?
Roger Federer and Rafael Nadal are two of the greatest tennis players in recent years at the Australian Open. So what makes them stand out from the rest?
Grunting in tennis can be performance-enhancing for the grunter and performance-hindering for their opponent.