This book explores the therapeutic relationship between body and water within the practice of psychomotricity. Written by Catherine Potel, a practicing psychomotricienne and therapist, it examines how water serves as a medium for psychomotor mediation and therapeutic intervention. The work addresses the theoretical foundations and practical applications of using aquatic environments in psychomotor therapy, offering insights into body-based therapeutic approaches. It is intended for professionals and students in psychomotricity, psychology, and related therapeutic fields.