Around a month ago, I ran a 5K and followed it with a full-body dumbbell workout. Halfway through a set of renegade rows, I felt something go in my back. It didn't hurt too much immediately, but it ...

ONE WAY SAMUEL likes to think about organizing the muscle groups of the body is by dividing them into two groups: The main ...

Strengthening the upper back is important for good posture and overall health. A strong upper back can help reduce the risk ...

Achieving a pull-up is a significant fitness milestone for many people. First one, then maybe five, 10 or more: "The ability to do pull-ups is, in my book, an impressive sign of fitness and not a ...

Tight hip flexors, especially a deep muscle called the psoas, can silently stress your spine. Here's why this muscle deserves more attention—and how to strengthen it. Lower back pain is often blamed ...