VIDEO : Chris Hemsworth Explains Why His Biceps Look So Big in a Photo HIs Brother Shared

Today Your source for all things celebrity and entertainment. We immediately knew why Chris Hemsworth was casted to play hammer-wielding Thor when his older brother, Luke , shared a group photo that put Chris' huge bicep on display, but now we know the truth behind that now-famous photo arm. Chris made our jaws drop with the size of his bicep?it really was that enormous?but in an interview with Australia's The Project , the Aussie actor revealed it was nothing more than a bit of trickery; he thanked "Photoshop, lighting and certain angles" for bestowing him with muscle mania.