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 ...

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 ...

Running is not typically related to higher-than-usual incidences of lower back pain. However, excessive running without sufficient recovery time, improper running form, and other factors may ...

You may be familiar with that feeling — you stand too quickly or turn too suddenly and feel that slight “tug” in your back. But while a muscle pull may put you out of action for a few days, back pain ...

A pulled muscle is an injury to your muscle fibers. Muscle fibers are the large cells that make up your muscles. Your muscles allow you to move when they contract and relax. Many people use the terms ...

Add Yahoo as a preferred source to see more of our stories on Google. A classic among the reps, pull-ups are great in that they train a surprisingly large part of the body. All you need is a bar and ...

Pullups and heavy barbells aren't the only way to add muscle and strength to your lats and mid-back.