Mr Calder was invited to teach at the NSTC (Newcastle Surgical Training Centre), at the Freeman Hospital in Newcastle, with Professor David Deehan. This is a very special training laboratory for teaching young orthopaedic surgeons how to perform knee replacements. The course has a ratio of trainers to delegates or 1:2, making it very focussed and intense. The day was spent with short talks and laboratory teaching, and was highly successful.