Fellowships
In a superspeciality like this, it is highly regarded to do a 'fellowship' of one or two years with a mentor or orthopaedic unit specialising in knee surgery.
Fellows often travel to other parts of the world to join a specialist unit like that.
....core cognitive and technical competencies outlined in the training/education curriculum and subjected to scrutiny during the final fellowship examination in Orthopaedic Surgery in Australia, South Africa and the UK are compatible.