Ingham / Western
Eunice Ingham, a physiotherapist, charted the feet in the 1930s building on zone therapy. Most North American and European training follows this lineage, which makes it the most widely reproduced base map — not the most validated one.
Chinese reflexology
Developed alongside Chinese medicine, with a partly different layout — several organ areas sit in different zones, and some charts cross sides for paired sense organs.
Other schools
Morrell, Vacuflex, the metamorphic technique and others each publish their own variations. Where their placement differs materially it is recorded on the individual area page.
Every area below is placed differently by at least two traditions. Open one to see each placement.