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 ...

The back isn't just the largest muscle group in the upper body; it's also a real calorie-burning machine. The stronger and more active your back is, the more calories you'll burn throughout the day!

You don’t have to spend hours in the gym every week to stay fit, as this busy PT demonstrates, with a full-body workout you ...