Musculoskeletal Key

Joshua D. Harris 17 Extra-Articular Impingement Introduction I. Femoroacetabular impingement (FAI) syndrome has been defined, via the Warwick Agreement International Consensus statement, as a motion-related clinical disorder of the hip…

Joshua D. Harris 16 Femoroacetabular Impingement Introduction I. Femoroacetabular impingement (FAI) refers to hip joint pathomorphology. FAI does not necessarily imply symptoms of pain or dysfunction. First defined by Professor…

Robert C. Kollmorgen, Brian D. Lewis 15 Slipped Capital Femoral Epiphysis Introduction I. Slipped Capital Femoral Epiphysis Etiology: Most common hip disorder affecting adolescents: 1.5:1 male-to-female ratio: i. Unstable slips:…

Brian D. Lewis, Robert C. Kollmorgen 14 Legg–Calvé–Perthes Disease Introduction I. Pathophysiology: Generally accepted that disruption of the vascular supply to the femoral head is the key pathogenic event. 1…

Luis F. Pulido-Sierra, Carlos J. Meheux 13 Adult Hip Dysplasia Introduction I. Common structural hip disorder 1 : Acetabular deficiency is the primary component in adult hip dysplasia. Decreased anterior…

Joshua D. Harris, Robert A. Jack II 12 Pediatric Hip Fractures Introduction Proximal Femur Fractures I. “Hip fractures” account for less than 1% of all pediatric fractures. 1 , 2…

Carlos J. Meheux, Luis F. Pulido-Sierra 11 Extracapsular Hip Fractures Introduction Incidence and Etiology I. Intertrochanteric femur fractures: Increasing incidence and will likely approach 500,000 per year by 2040. 1…

Carlos J. Meheux, Luis F. Pulido-Sierra 10 Intracapsular Hip Fractures Femoral Head Fractures Introduction I. Associated with hip dislocations 1 – 4 : True orthopaedic emergency. Shear type fractures. Indentation…

Joshua D. Harris, Robert A. Jack II 9 Pelvic Fractures Introduction Pelvic Ring Fractures I. Mechanism of injury: high-energy blunt trauma 1 , 2 : Motorcycle collision. Auto-pedestrian collision. Fall….