This document provides information from orthopaedic surgeon Dr. David Slattery about assessing and diagnosing hip conditions in young adults and adolescents. It details Dr. Slattery's background and experience, common hip pathologies and their clinical presentations. It also provides examples of clinical cases involving femoral acetabular impingement, hip dysplasia, and slipped capital femoral epiphysis and the examinations and investigations used to diagnose these conditions.