Katrina Kaif is our fitness inspiration. If those abs-to-kill-for didn?t make you wear your sneakers and head to the gym, this video of her doing push-ups will definitely do it for you. Katrina, who is busy shooting Tiger Zinda Hai with Salman Khan in Morocco, is seen doing push-ups in the video which she titles, ?Warming up on set. @rezaparkview.? Ho-hum, you will say. That is till she ups her game and starts doing ...