Your diaphragm is a thin muscle that separates your chest and abdomen. When you inhale, your diaphragm tightens and expands your chest cavity. A paralyzed diaphragm doesn’t tighten as it should when ...

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 ...