A EULAR task force has put forward evidence-based recommendations concerning physical activity in individuals with inflammatory arthritis or osteoarthritis, advocating physical activity as an integral part of standard care. The task force, consisting of a multidisplinary team of 22 experts in physical activity (including three rheumatologists) from 16 countries, agreed upon four overarching principles and 10 recommendations, as well as related research and education agendas.