The Principles of Exercise Therapy  The Principles of Exercise Therapy is a 1953 book by M. Dena Gardiner. The Principles of Exercise Therapy book is explained in detailed about exercises. Physical training is physical activity that improves physical condition and health. Physical training protects the health of a person and regulates the patient's health. Physical training mechanics plays a major medicine. Walking, running, swimming, ice skating, bicycling, playing, dance, yoga, and physical exercise are all physical exercises. Heart disease, diabetes and obesity can be controlled by exercise. The book also alleges that exercise helps to reduce mental retardation and reduce the risk of mental retardation in the exercise. It is essential to exercise immune organs or adequate vascular organs in a coherent blood circulation. The "British Journal of Occupational Therapy" reviewed the book in 1954, stating that "Miss Gardiner is to be congratulated on an excellent piece of work which should prove invaluable to all engaged in the rehabilitation of the physically unfit." "Physical Therapy" also reviewed the work. It has been used as a university text. Library holdings of "The Principles of Exercise Therapy"