Lower back left LEG pain?

I was putting my daughter in her car seat and I have an suv so as I was standing kind of twisting my body picking her up and putting her in her car seat I suddenly felt like a snap or real bad pinch type of feeling on the left side of my lower back then...

I have had severe pain in my back (Actually top left side of buttock not at spine) and it has radiated down to my ankle. Can not sit for extended periods and have to change positions frequently while sleeping. Tried Chiropractic and that didn't work...

What had happen was I was at work bending over probably awkwardly to pick something up and i just got that quick feeling again......a couple of weeks before it happened when i was at the gym doing some sit down vertical rowing pulls but it went away...

i also have a crushing pain in my foot and sometimes tingling ,is it a siatic nerve

I've had on and off pain in the back of my left leg specifically the top of my calf and the muscle just above the bend of the knee(lower thigh??). Now this pain occurs everyday. I went to Kaiser exactly one year ago and they told me it was tendonitis...

In December I fell down my stairs. It has been four months since then and the pain was easing down. The physical therapy is going well. My back and neck and right shoulder were hurt during the incident. I have seen the orthopedic and went to the hospital...

I haven't been doing anything strenuous. I exercise, run, walk, etc on a regular basis. Yesterday, I spent a few hours walking through my town, but this is something I do almost every day and has never caused discomfort, fatigue, and certainly not pain...

I have a terrible pain left leg only for the past 5 days sharp stabbing pain left leg only

This pain started about 4 years ago. Then it was not this severe. Now I cant sleep, I cant sit, stand, do anything. The pain is for 24 hours and in the night it gets worse. I need something heavy on my left leg so that gradually I can get some sleep...