Hip
Fellowship-trained in adult and adolescent hip conditions. Mr Gormack performs numerous primary total hip replacements annually using minimally invasive techniques, plus complex reconstruction and revision surgery. Particular interest in:
- Young adult hip — including dysplasia, AVN, labral tears, FAI, Perthes, and SUFE.
- Arthroscopic and open hip preservation surgery.
- Anterior approach hip replacement.
- Revision hip arthroplasty.
Knee
Over 100 computer-navigated primary total knee replacements per year. Robotic knee replacement available for selected patients. The full range of knee surgery is offered:
- Computer-navigated primary TKR (high volume).
- Partial (unicompartmental) knee replacement.
- Patellofemoral replacement.
- High tibial osteotomy (HTO).
- Revision knee replacement.
- Young adult knee — ACL and other ligament reconstruction, meniscal repair, patella stabilisation.
Trauma
Complex orthopaedic trauma managed via Mr Gormack's appointment at Middlemore Hospital. Private practice covers ongoing trauma management:
- Non-union and post-traumatic arthritis.
- Mal-union and corrective osteotomy.
- Symptomatic metalware removal.
- Proximal hamstring tear repair.

