Bollywood actor Aamir Khan who is gearing up for his next film PK recently suffered a muscle pull during workout. Aamir Khan was having a workout when suddenly the actor suffered a muscle pull owing to pushing himself too much. I pushed myself too hard during a strenuous workout. I strained my muscle, said Aamir Khan. Aamir always tries his best to achieve perfection in everything he does, however this time his urge for perfection proved a little painful. Aamirs next film PK directed by Rajkumar Hirani requires the star to be in very good shape and so Aamir has been into regular workout. However, we suggest Mr Perfectionist not to push himself too much in urge of perfection. Moreover, it has been learnt that Aamir has undertaken a special diet routine by which he consumes some food in every two hours and undergoes heavy workout. Aamir Khans film PK is scheduled to release on December 18.