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 ...

Why should we stretch at all? According to personal trainer Desiree Lethaus, stretching has a range of benefits for the body, including better posture, improved flexibility, and better mobility.

If you can’t touch your toes without majorly bending your knees, that’s a sure sign you could benefit from doing hamstring stretches. But even if you can touch your toes easily, you should still be ...