• Transverse Luo: SP-4 towards ST-42, Stomach Yuan-Source point.
• Longitudinal Luo: begins at SP-4, follows the pathway of the main Spleen channel, reaches the abdomen and below the umbilicus penetrates internally to spread to the Large Intestine and the Stomach.

Symptoms

• Fullness: acute abdominal pain, of stomach and intestines.
• Empty: abdominal distension, drum-like belly.
• Qi Ni (Qi rebelling): acute diarrhea and vomiting with abdominal pain (acute gastroenteritis).