Yea glad your ok!!! That's pretty scarey. I think many of us (well me anyway) have worked like that a time or two. I was lucky never to be hurt but have worked safely since those days. I used to have a old hyd floor jack that slowly lost pressure. I would jack up the car, no jackstands and do what I could until it came down close to me. I'd crawl out and jack it up again!!!! Back and forth until I finished.