So, It's complicated but long story short. I was sleep and food deprived doing household stuff, heavy lifting, slipping, bumping, etc with no core strength. Woke up one day thought I threw out my back, then it went away. I would buckle, had bouts I couldn't breathe, numb toe etc. I was in a manic phase and ignored it, but when I got better and a massage didn't help I saw a dr.