Medically reviewed by Kashif J. Piracha, MD The diaphragm is a dome-shaped muscle that separates the chest from the abdomen. This muscle, also called the thoracic diaphragm, is the main muscle used ...

When a human breathes in, their chest muscles move upwards and outwards and the diaphragm muscle under their lungs moves down. This creates a bigger space in the chest and the change in pressure ...

Your diaphragm is a little-discussed muscle that’s responsible for what passes through your digestive tract. While slowing down your breath can slow down your mind, but did you also know it can ...