Diaphragm The diaphragm is a muscle that helps you breathe. It sits under your lungs and separates your chest cavity from your abdomen. Many conditions, injuries and diseases can affect how the …

Dec 7, 2025 · The diaphragm is a dome-shaped muscle separating the chest from the abdomen. It is the main muscle used for breathing and is involved in other functions.

While the diaphragm is one muscle, it is composed of two distinct muscle regions: the costal, which serves as the driver in the work of breathing, and crural diaphragm, which serves as an "anchor;" …

Jul 30, 2018 · The diaphragm is an important muscle that helps you breathe in and out. We'll go over its different openings and functions before exploring the conditions that can affect the diaphragm.

Nov 10, 2025 · Diaphragm, dome-shaped, muscular and membranous structure that separates the thoracic and abdominal cavities in mammals; it is the principal muscle of respiration.

Sep 19, 2023 · The diaphragm is much more than just a sheath separating your thoracic and abdominal cavities. This article will examine this intricate and crucial muscle in detail, looking at its anatomy, …

The diaphragm separates the thoracic cavity from the abdominal cavity. It is a double-domed, musculotendinous partition that consists of a continuous sheet of muscle surrounding a central tendon.