They can help you achieve better posture. Seated leg extensions target your quads, giving you powerful legs. Here's what to ...

The good news is that it’s easy to loosen up with a few simple stretches in your chair. Moving your back in all possible directions—which means flexion, extension, rotation and lateral (sideways) ...

Sit slightly forward in a chair so that the back is not in contact with the back support. Sit up straight. Employ abdominal bracing. Slowly march and alternate lifting each knee a few inches.

I do yoga, I try to keep it so both of my shoulder blades are touching my chair back at all times, and I write reminders to sit up straight on Post-it notes on my desk. So far, none of those ...