What is the role of the diaphragm in my body?

The diaphragm is a disk-shaped layer of muscle that bisects your chest cavity laterally. Attached to the bottom of the ribs and stretching backward and slightly downward to the lumbar vertebrae, it is quite flexible, but it is also one of the body’s toughest and strongest muscles. The diaphragm acts as a divider between your cardiopulmonary system and your digestive system: it’s the floor for your heart and lungs, and the roof for your stomach, intestines, spleen, liver, pancreas, and kidneys.

There’s not a lot of room in your chest and abdomen; your organs are packed tightly. Thus when your diaphragm moves, it also moves your internal organs, giving them an internal massage. This is a good thing!

Diaphragmatic movement stimulates the flow of blood and lymph into, through, and out of these organs in the chest and abdominal cavities.

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