Erging is rowing on an indoor rowing machine. They were originally called an "ergometer," which was then shortened down to just an "erg" over time. It's a real

Erging is rowing on an indoor rowing machine. They were originally called an "ergometer," which was then shortened down to just an "erg" over time. It's a really great exercise, and pretty good training for rowing crew (though it's not quite like the real thing).