Interesting story from Solo Nero. "One hour after I got stabbed I was still Bleeding and rolled over to hear the doctors telling me all them pullups took your back healed them broken wings so u can fly once again and prevented the knife from passing my muscle and entering my organs. So when I say a pullup really saved my life; I literally mean it saved my life . It goes deeper then you think . Everyone who pulls themselves up on and of the bar is my motivation."