Who came up with a SIT-UP as a exercise?

I think sit ups are great. They do tone your stomach and a few other places up. They're ideal, and i love doing sit ups. Keeps you fit and healthy also. Nothing wrong with situps.

Situps is a good way to build abs. It probably wasn't invented by just any guy but probably someone developing a workout either for himself or to go public with. Since the situp is a natural movement, its very effective. Same goes for squats, back lifts, lounges etc. So it wasn't someone who didn't have anything to do with their time, it was someone who thought logically about ways to build muscle (even body builders know that the fastest muscle growth comes from natural movement. But they use tons of extra weight of course :))

They seem a rather bonkers exercise to me too... surely there must be a more excting way of building up abs?