The diaphragm is a large muscle. This muscle separates the chest from the abdomen. It is located at the botton of the ribs.

• When this muscle contracts^* it pushes the up on the lungs forcing air out of them.
• When this muscle relaxes it releases pressure^* on the lungs so that they expand^* and let fresh air in.

Proper breathing with this muscle causes your stomach to move in and out as you breathe.

• Lift your rib cage and straighten your back.
• Inhale^* by breathing in while sticking out your stomach.
• Keep your chest and shoulders still while you inhale.
• Exhale^* by pulling in your stomach and forcing air out.
• Keep your chest and shoulders still while you exhale.
• Repeat this several times.
• You are using your diaphragm to breathe.