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 ...

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 ...

Sit on an incline bench with your chest forward, resting on the support. Grab dumbbells with a neutral grip, keeping your chest strong and allowing your arms to hang. Squeeze your back to pull the ...

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 ...

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 ...

Jakob Roze, CSCS, is a health writer and high-end personal trainer. He is the founder and CEO of RozeFit, a high-end concierge personal training practice and online blog. The downward dogs and cat-cow ...

Exercises to rebuild muscle after 55: a certified trainer shares 5 daily dumbbell moves to train full-body strength.