This annotation briefly reviews the history of artificial intelligence and machine learning in health care and orthopaedics, and considers the role it will have in the future, particularly with reference to statistical analyses involving large datasets.

Cite this article: Bone Joint J 2019;101-B:1476–1478

The Postgraduate Medical Education and Training Board wants either ‘run through’ or ‘uncoupled’ orthopaedic training to be adopted throughout the United Kingdom but it is not willing to let both continue together as is the current situation. This annotation explores the argument for and against ‘run through’ training.