Guide to Fitness After Fifty presents basic and applied research data, authoritative advice and tested techniques for professional workers who want to learn more about physical exercise, fitness and health for aging people and for all who seek to become more physically and mentally fit. The editors and contributors believe that physical activity and exercise following the pri ciples and practices utlined in this inter disciplinary volume can improve the health and quality of life by increasing en durance and cardiovascular fitness, strengthening the musculoskeletal system, im proving...