Overhead crawl stroke is bad for your rotator cuff if it is already sore or partially injured -- could very well have caused a tear if you yanked on it.
That may well be. And I don't feel anything in the water... I'll have to be careful in the future.
Well, Ernst, you kicked the sciatica. So this, too. Beth has had bouts of RC pain/weakness over the years. It does seem to have finally caught up with her, though, with dec'd range of motion & persistent weakness.
Nothing like climbing the Mountain of Ages only to slowly descend into one hell or another eventually:-).
Nordic skiing, with its double poling, probably takes a toll, too.