Ladies in leggings, stretching and heavy breathing, right? Wrong!
Tottenham Hotspurs and AC Milan use it as part of their training routine. David Beckham does it daily. Ryan Giggs swears it helped it have such a long career. Kobe Bryant, NBA Superstar is a convert and many other high-profile footballers like Cristia- no Ronaldo, Jamie Rednapp, Gareth Bale and Steven Gerrard have fallen for it.