The goal of the "Orthopaedic Basic Science: Foundations of Clinical Practice edition 3" is to be a useful, comprehensive, clinically relevant and accessible synthesis of the basic knowledge in orthopaedics. Its main audience is doctors-in-training and orthopaedic surgeons who desire information on what's new in basic science and how it effects their practice. Section topics include Basic Principles in Orthopaedic Surgery, Physiology of Musculoskeletal Tissues and basic principles of musculoskeletal Disease and its Treatment. New to "OBs 3" are chapters on Evidence Based Medicine and Metabolic Bone Diseases and a collection of topic correlated case studies that will be accessible on the web only.