I have been ignoring wide-arm push-ups for years — due to the (false) assumption that this particular hand positioning was ineffective. So, when my workout instructor randomly called out wide-arm push ...

If your body is correctly aligned, your shoulders will be at the same height and facing forward. Uneven shoulders occur when one shoulder is higher than the other. This can be a slight or significant ...

DEAR MAYO CLINIC: My grandmother lives with me, and she is always nagging me to "stand up straight" and "put your shoulders back." She says good posture will keep me healthy as I age. But I'm only 17.