I used to work out in the gym a lot when I was younger. I was a competition body builder when I was 16 or something crazy like that for a short period of time. So, the gym is quite familiar and I know what I'm doing there.
The one thing you can rely on is if you get disturbed halfway through a painting and it looks a bit naff, then someone will preserve that piece, remove it and a few months later it'll be paraded round Sotheby's by people wearing white gloves.