Running a single mile — at about a 10-minute pace — consists of 1,700 steps. And each one of those steps produces ground reaction forces of about two and a half times your body weight. And you know ...

You’re not imagining it — your legs start to feel heavy, swollen and tired after sitting or standing for a while. If you don’t move around every 60 to 90 minutes, fluid starts to build up in your ...