Tucked deep in your hips and lower back, the psoas muscle won't get you any compliments at the beach—but keeping it strong ...

What Is the Psoas Muscle? The psoas (pronounced so-ezz) muscles are two large muscles in your lower back. You have one on either side of your spine. They're the main muscular connection between your ...

Last summer, I hiked the equivalent vertical gain of Mt. Everest. I had done lots of training for what was my first endurance event, and was mildly confident in my physical fitness, but I had zero ...

Full-body stretching is a great way to become more flexible, increase mobility, and decrease pain. While there are a variety of moves that can help address certain issues (like lower back pain), a ...

When elite ultrarunner Mike Wolfe laced up for a tempo run in June 2009, his right hip flexor felt tender and sore. But nothing out of the ordinary for a runner who, in a weekend, can cover 75 miles ...

You can use movement to release tension in your body. The hips may store emotional stress, and so certain hip-opening stretches may make a big difference. Perhaps you’ve heard your yoga teacher refer ...

I'm sure you've been told that your depression, your fear, and your anxiety is all in your head. Actually, it may all be in your ass. That's thanks to the psoas major muscle, sometimes called the ...

Suppurative psoas abscess is an unusual lesion that is unfamiliar to many orthopaedic specialists, which can make an accurate and timely diagnosis problematic. The symptoms associated with this ...

4 Centre for Magnetic Resonance, University of Queensland, Brisbane, Queensland, Australia 5 School of IT and Electrical Engineering, University of Queensland, Brisbane, Queensland, Australia ...

As he's set to miss yet another major tournament, Rafael Nadal is undergoing an arthroscopic surgery to examine a left psoas muscle injury that has kept him out of action for the last few months, ...