Written by one of the influential figures in Russian medicine, many of Moshe's ideas on how the nervous system is organized, how we respond to stress and how we heal, are derived from this book. Though it is a technical book, it is also quite readable with clear chapter summaries. If you want to delve the source of Moshe's thinking this book is required reading, but be warned it is not for the faint of heart.
This is THEbook that Moshe referred to more than any other as an important influence on the development of his ideas. The book has achieved cult status not only in the Feldenkrais community, but also among groups of chiropractors and osteopaths. It has been out of print for decades and has now been brought back by International Publishers press for a limited printing.