Mumbai, Dec. 27 -- Bollywood Superstar Salman Khan is celebrating his 60th birthday today, but looking at his fitness, it's still difficult to guess his age. In Bollywood, 'Bhaijaan' is not just a star, but a fitness icon. At a time when gym culture wasn't common, Salman, with his powerful physique, made young people understand the importance of exercise and brought bodybuilding into the mainstream.

The secret to Salman's fitness is discipline. Whether he's shooting or traveling, his training never stops. Pictures of him at the gym frequently go viral on the internet, and each time they convey the same message: there are no shortcuts to hard work. He prefers volume training and giant sets, which involve performing several exercises conti...