A new wave of research is showing what the old gym myths about stretching got wrong—and what you really need to do to reap its benefits.

For many people of a certain age, high school gym class began with reaching for their toes. Then, over the years, we were told it was better to stretch after exercise. It turns out, both those things ...

That pre-workout stretching routine you learned in high school gym class might be sabotaging your performance more than helping it. For decades, fitness culture has promoted stretching myths that ...