The diaphragm is an important respiratory muscle. It’s large, dome-shaped, and found below the lungs, around your lower-to-middle rib cage. When you inhale, your diaphragm lowers and helps your lungs ...

The diaphragm is the primary muscle used in respiration, which is the process of breathing. This dome-shaped muscle is located just below the lungs and heart. It contracts continually as you breathe ...

Pain in the diaphragm — the muscle that separates the chest from the abdomen — can happen for many reasons, such as an injury, pregnancy, and pneumonia. The diaphragm moves downward so the lungs can ...