Shah Rukh Khan, who has had a back problem for years now has another health woe. The actor injured his knee some time ago and it has been giving him trouble since.

He has been dealing with a pain in his knee for quite a while now, so Andrew Leipus, the physiotherapist for Kolkata Knight Riders will be treating his knee as the actor doesn't want to take chances with quick fix measures.

According to sources, SRK will be doing some stunts for his film, Ra.One, shooting for which will resume soon. Bobby Chawla's health issues led to cancellation of the last two days of the shoot.

Ra.One's next schedule is creeping closer and Shah Rukh hopes the knee exercises will help him perform the stunts easily.

During Boney Kapoor's Shakti, SRK's back problem had posed to be very problematic.