Earlier quoted context omitted.
"Dynamic" means you keep moving. All of your squats, lunges, jogging in place, and so on are dynamic. "Static" means you hold a position. Your classic runner's stretch is static, as are the various "hold your toes" stretches in any position. The danger is only with static stretches prior to exercise , which can lead to over-extension and injury. The benefit of dynamic stretching before exercise is still kind of debat…
> That minimal approach has kept me out of trouble despite running more even than most other runners - consistently five or six days a week in every kind of weather . Meh. I ran thirteen times a week for years, quit for years, started again overweight more than once to slim down again and have done many 5 hour + mountain runs on the wrong side of 30. I've generally done static stretching both before and after running…
> I ran thirteen times a week for years
> Take easy days and easy weeks
Something doesn't quite add up here. Also, as impressed as you might be with yourself for running some unspecified distance more often than someone else while you were in your twenties, it doesn't change the fact that most runners go out every other day at most. Every distribution has its outliers, and your "meh" was unnecessarily dismissive.