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 frequent source of lower-back pain comes from two muscles you might not have heard of—and that makes sense since you rarely see them on those medical posters of human anatomy in doctor's offices.

Medically reviewed by Jennifer Steinhoff, MD Key Takeaways The lumbar spine includes five vertebrae that help with mobility and stability.Lumbar vertebrae are larger because they carry the load from ...

EDITOR’S NOTE: Dana Santas, known as the “Mobility Maker,” is a certified strength and conditioning specialist, a mind-body coach in professional sports, and the author of “Practical Solutions for ...