I've always though push-ups would be the next thing. People can do them without a solid fitness base, the low effort means they usually have a high rep count a

I've always though push-ups would be the next thing. People can do them without a solid fitness base, the low effort means they usually have a high rep count attached to them, and a lot of people don't know how easy it is to do them wrong. The thing about muscle-ups is that most people can't do them without a little bit of coaching, so by the time they're doing them for reps, they know how to do them right.