The aim of this course is to teach the therapeutic exercises used in physiotherapy in the pool environment and to teach the in-water treatment methods. Within the scope of this course, the physical properties of water, the basic features of aquatic exercise practices in the elderly, children and adults, in-water exercise therapy in shoulder, elbow, hand and wrist joint problems, in-water exercise therapy in hip, knee, foot and ankle joint problems, vertebral In this study, different and current in-water exercise treatments such as the Bad Ragaz Ring Method, Halliwick Method, Watsu and Aichi are examined on the basis of the literature, and programs to improve healthy physical fitness.