Dr Bobby KW NG is a private Orthopaedic specialist and formerly honorary clinical professor of the Department of Orthopaedics and Traumatology, Chinese University of Hong Kong. He specializes in paediatric orthopaedics. He was formerly the Chief of Service of the department of Orthopaedics and Traumatology at the Prince of Wales Hospital, Past Presidents of Hong Kong Orthopaedic Association, Asia Pacific Paediatric Society. He has great interest in patho-anatomy of disease conditions and development of treatment methods based on reversing patho-anatomy.