So I've done a little searching and haven't found anything like this. I have on and off lower back pain. I had an X-ray and they said I am getting arthritis and they sent me to physical therapy. That lasted about a week. It got better on it's own. I am pretty active and am pretty carefull about my back. I ride dirt bikes and always stretch before. It actually makes my back feel better.
So once or twice a year lately. I'll be not even moving. Just standing there pondering something in my mind. My lower back will pop and the pain will start. I can't bend over or lift anything. It will last for a week to a month. Today I was squatting down and just got done scrubbing the BBQ. Not even moving. I felt the pop and now I'm in pain. It drives me crazy. Because I feel perfect up until that time. No pain at all. Not even a little. I am a out 210. Should be about 190. 46 year old auto mechanic.