Yeah, that part about pulling on sore tendons making things worse long term is so true. My friend Jake had this awful elbow pain from too much climbing and he kept stretching it every morning. It just got more angry until he could barely grip anything. After seeing @viola_perry's advice, I finally get why his plan failed so badly. He totally needed to stop the climbing motion first instead of yanking on it!

Grab a thread gauge. Maybe it's just me but it helps avoid buying the wrong axle.