Han, F., "Why is the Gastric Area in the Foot Affected if a Man Gets Gastrosia." 1993 China Reflexology Symposium Report, Beijing: China Reflexology Association, pages 58-59.
A report was done to evaluate the effects of gastrosia in the foot reflex zones. It starts with the origin of swelling, discoloration of the skin, subcutaneous induration (hardening) in the gastric reflex area of the foot and ends with a correlation between the stomach and the gastric reflex area of the foot.
There is a correlation between the stomach and the gastric reflex area of the feet.