Arm day, leg day, ab day—these are the familiar pillars of strength training. But what about lower back day? Our lower backs are often overlooked, yet they're a crucial part of fitness. Many of us ...

Start on all fours. Extend your right arm in front of you and your left leg behind, actively reaching in opposite directions.

About 80 percent of adults experience lower back pain at some point in their lifetimes, according to the National Institue of Neurological Disorders and Stroke. The double-edged sword? It's usually ...

Brad: There you go. It's very simple. Mike: So the three common motions to help with centralisation are first spinal flexion going forward. Mike: Extension, or going backwards. Mike: And then you have ...

Most of you know that training your upper body provides endless benefits, from improving your posture to increasing your metabolism. You might think of individually working your arms, shoulders, chest ...