This lecture is for technicians, radiologists, and scientists interested in musculoskeletal imaging with a special focus on inflammatory rheumatic diseases. A comprehensive overview of inflammatory arthritis including pediatric diseases will be provided. The optimization of MR protocols according to international guidelines will be discussed. Moreover, the role of qualitative and quantitative MR imaging including advanced techniques, such as radiomics, machine learning, and artificial intelligence will be addressed. At the end of this lecture, the audience will have gained new knowledge about the diagnostic process for inflammatory arthritis and the application of basic and advanced MR imaging in this field.