When Elvis was not touring his was mostly at home sleeping,eating,reading books or watching TV or even driving his many toys(cars,motorcycles) or riding horses around his estate or going on a shopping spree of Cadillacs which he then gave away.
In numerous music videos and performances - most famously his performance of 'Hound Dog' on the Milton Berle show - Elvis would use dance moves in which he vigorously moved his legs and his knees....