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 ...

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

Have you ever felt your muscles tighten and stiffen, almost as if they were being pulled? Well, muscle tension can stem from various factors like stress, over-exertion, dehydration, and more. It can ...

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 ...

By tight hips, I mean, more specifically, tight psoas muscles. The psoas (pronounced so-ahs) are a prime hip flexor. Together with the iliacus, rectus femoris, and sartorius muscles, the psoas cross ...