The lumbar spine includes the five vertebrae in your lower back numbered L1 to L5. These bones help provide mobility and stability to your back and spinal column and are an attachment point for many ...

Hunched over a desk all day? Science shows that weak iliopsoas muscles are the hidden culprit behind chronic back pain, but ...

Muscle-on-chip systems are three-dimensional human muscle cell bundles cultured on collagen scaffolds. A Stanford University research team sent some of these systems to the International Space Station ...

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 ...

Lower back pain during squatting motions, whether during exercise or day-to-day activities, can have numerous causes. Lower back pain is common, with as many as 84% of adults experiencing it. It can ...

Running is not typically related to higher-than-usual incidences of lower back pain. However, excessive running without sufficient recovery time, improper running form, and other factors may ...