The aim of this INFRAFRONTIER training course held from 20 to 22 Novembeer 2013 at the Universitat Autònoma de Barcelona (UAB), Spain is capacitating participants to localize and to interpret the most common skeletal morphological abnormalities found in mutant mice. This will occur in the context of dedicated learning sessions devoted to the study of bone anatomy and the methodologies (X-ray, CT, Alizarin staining, etc) used to visualize the mouse skeleton. Each lecture will be followed by a practical session in which participants will work with real bone specimens and CT images. In addition to the theoretical and practical sessions, the course will include seminars where specific skeletal abnormalities found in mutant mice will be discussed. This course is intended for technicians and/or scientists working in the area of bone mouse phenotyping.