It's funny how cycling in some ways is immune from some of the body's ailments. I put my back out this summer, lifting who knows what - a glass of lemonade for all I know. Walking, or getting up from a chair was excruciating. Trying to lift my leg over the bike, excruciating. But once I was on the bike pedaling - everything felt great. Stopping to get off ... wished I'd kept riding.

All's good now. Stretching and core strengthening was the doc's recommendation.