New Delhi, Dec. 27 -- Bollywood superstar Salman Khan turned 60 on Saturday. Known for his ripped physique, the actor follows a strict, old-school fitness routine, as shared by his fitness trainer Rakkesh R Uddiyar to Live Mint. Revealing how the 60-year-old maintains his abs and biceps, Uddiyar revealed that Salman Khan swears by the benefits of fasted cardio.

Salman Khan's trainer said, "Early morning after Salman Khan wakes up, he does fasted cardio. He finishes his weight training whenever he finds time-- before the shoot, after the shoot, or even during the shoot. But, he has to get it done. Without weight training and cardio, he won't sleep!"

Fasted cardio refers to doing cardiovascular exercise while one's body is in a fasted sta...