This image of poor Jason Day was taken at the 2016 World Golf Championships. Long time ago, but when you think about Day's career, that's how long—if not longer—he has been dealing with back issues.
The condition is hard to treat. But moving can help, if you do it right. Ask Well The condition is hard to treat. But moving can help, if you do it right. Credit...Joyce Lee for The New York Times ...
The core is much more than just the abs you want to sculpt for that famous 'six-pack'. This group of muscles includes everything from the abdominals (obliques, rectus, and transverse) to the diaphragm ...