Overstretching is a no, no
A gentle stretch relaxes the muscles, letting them release and grow longer. But too intense a stretch can actually create an inflammatory response, Apostolopoulos warns, meaning your body is trying to repair damage.
“Any time you cause pain, you actually cause tissue damage,” he says. “You don’t want to generate any form of pain and discomfort when you are trying to become more mobile and increase your flexibility.”