Foot Zone Certification Course for June 2018 – January 2019. Learn the foot zone technique. Basic Dr. Charles Ersdal Foot Zone Therapy Technique. Plus over 100 advanced foot zone signals. Foot Zoning is a natural modality to help promote overall health and wellbeing. Learn anatomy & physiology that will help you be a more proficient foot zone practitioner or foot zoner. Learn holistic modalities that help support the foot zone.