TH8 is the eighth thoracic vertebra of the upper back. TH8 nerves affect the abdominal and back muscles, help with balance & posture, and help you cough.
• Meridians: spleen meridian (yin), stomach meridian (yang)
• Connections: spleen, stomach, blood, muscles, liver
• Possible problems: spleen problems, stomach troubles, hiccoughs, weakness In immune system.