today while erging we did a 3 X 2k at full pressure which is pure death for those non rowers who don’t have clue what I’m talking about…. a blister on my hand popped and it bled all over my hand. I did the next piece and it completely tore off a huge chunk in my hand. Then my whole arm cramped up. It was the equivalent to getting a charley horse, but in my arm and i pretty much started crying. Cool, awesome practice.