Lower back pain has a range of possible causes. It can flare up in different positions depending on the cause. Some people may have lower back pain, especially while lying down. Lower back pain is ...

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 nationwide Chinese study found that older adults with sarcopenia, an age-related loss of muscle mass and strength, experience significantly higher rates of lower back pain compared to their peers ...