Millions suffer from lower back pain every day – but what if we’ve been blaming the wrong part of the body all along?

Tight hip flexors, especially a deep muscle called the psoas, can silently stress your spine. Here's why this muscle deserves ...

Medically reviewed by Sanja Jelic, MD The diaphragm is a dome-shaped muscle that separates the chest from the abdomen. This ...

John Medina/Getty Although the rocker performed a 29-song set, he confessed to Rotolo that he questioned if he would be able to do so since his diaphragm hurt "so badly," making him unable to ...

The diaphragm is the muscle that separates the stomach and abdomen from the heart and lungs. It's one of the main muscles involved in breathing. Most scientists believe the pain is caused by a ...