Böcker av R. K. Devlin

This encyclopedia explores exercise and physical activity from a variety of angles, including anatomy and exercise science, health benefits and risks, the wide array of sports and recreational activities available, and the sociocultural context of physical fitness.Exercise and Physical Activity: From Health Benefits to Fitness Crazes is a one-volume encyclopedia featuring more than 200 entries that cover a multitude of exercise-related topics. Content is divided across five broad themes: anatomy, exercise science, sports and activities, health benefits and risks, and exercise and society.The anatomy theme includes entries on all the major skeletal muscle groups and associated connective tissues. Within the exercise science theme, entries focus on topics within the fields of physiology, kinesiology, and sports psychology. Profiles of more than 70 sports and recreational activities are included. Entries under the theme of health benefits and risks explore the effects of exercise on many of the body's physiological processes and related systems, as well as specific sports-related injuries. Exercise and society entries profile influential individuals and organizations, as well as fitness trends. Together, these themes support a holistic understanding of exercise, encompassing both the theoretical and the practical.

This volume covers a common infectious disease that afflicts millions every year-the flu-but one that has the potential of being at the center of a new pandemic, similar to the one that killed millions during 1918.Influenza examines all aspects of this disease, including: * The influenza virus and how it leads to infection in humans. * The definition of epidemics and pandemics, and a description of the Influenza Pandemic of 1918. * The clinical signs and symptoms of influenza, and how it impacts special populations, such as the elderly and HIV-infected patients * The treatment and prevention of the flu The volume includes a glossary of important terms and a bibliography of accessible works that discuss the disease.