I wonder if you get there muscle memory too... Physical tasks seem to be learned differently than facts are. So, if you polyjuice into say an expert piano player, how well can you play the piano? Do you get the stamina of the person you polyjuice into?

And if so, can I have some polyjuice potion. I'll just use it for a couple of hours a day, but it'd make getting housework done so much easier.