A trainer shares the exercise that can best treat lower back pain. Discover exactly how to do it and why it works.

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images Back-strengthening exercises are crucial for improving posture, building ...

Add Yahoo as a preferred source to see more of our stories on Google. About 80 percent of adults experience lower back pain at some point in their lifetimes, according to the National Institue of ...