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 ...

Trigger point injections can help treat some forms of chronic muscle pain. After your injections, you may experience some mild tenderness or soreness, but you can go back to your normal activities ...

You know when you’re gliding over a foam roller and all of a sudden, you hit that sweet spot—and by sweet, we mean teeth-grinding, stomach-clenching sore spot? That’s not just a sore spot, that’s a ...

Trigger points, a.k.a. “knots,” are tender, palpable spots that can hamper your mobility and often radiate pain to other areas of the body. Beyond messing with your running, they can make everyday ...

Muscle knots are highly irritated muscle fibers that have tightened into a ball in one area of your muscle. These painful, tender spots can feel sore and often occur in your upper back, shoulders, or ...

Trigger points can arise from stress, anxiety, and even vitamin deficiencies. So how can they be treated? This thermal image of the body highlights a region that contains common trigger points. We don ...

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 ...