Story By: Ana Lacasa, Sub Editor: Joseph Golder, Agency: CEN Stunning actress Elsa Pataky has said that she does 200 crunches before bed to obtain the perfect six-pack while presenting a new health app that she created with her beefy hubby, 'Thor' actor Chris Hemsworth. The 42-year-old Spanish actress, who has three children with Aussie actor Hemsworth, travelled from…