Bollywood actor Aamir Khan who is gearing up for his next film PK recently suffered a muscle pull during workout. #13;Aamir Khan was having a workout when suddenly the actor suffered a muscle pull owing to pushing himself too much. #13; #13;I pushed myself too hard during a strenuous workout. I strained my muscle, said Aamir Khan. #13;Aamir always tries his best to achieve perfection in everything he does, however this time his urge for perfection proved a little painful. #13;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. #13;However, we suggest Mr Perfectionist not to push himself too much in urge of perfection. #13;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. #13;Aamir Khans film PK is scheduled to release on December 18.