From a young age we’re told to stand up straight. Many people probably even have memories of walking around the house with a book on their head to help improve their posture (I know I do). But why is ...

I had a second-grade teacher who used a ruler to poke slouching students between the shoulder blades to get them to stand up straight. While you might find fault with her tactics—and indeed as little ...

Did your parent or a grandparent ever poke your back so you would pull your shoulders back? Or perhaps a teacher reminding you to sit up straight and at attention? Or maybe you (like me) have gotten ...