Surgical Technique: Arthroscopic Treatment of Perthes Disease
Fig. 1 Stulberg IV hip that is not amenable to arthroscopic intervention. Clinical symptoms of greater trochanteric impingement. Note the amount of bone that would need to be removed to…
Skeletally Mature Acetabular Dysplasia: Anatomy, Pathomorphology, Pathomechanics, Clinical Presentation, and Imaging Studies
Radiographic measurement Normal range Dysplastic hip Miscellaneous Lateral center-edge angle 25–50° <20° AP radiograph Anterior center-edge angle 24–45° <20° False profile Acetabular angle 33–38° >42° AP radiograph Tönnis angle <10°…
Femoral Deformities: Varus, Valgus, Retroversion, and Anteversion
Fig. 1 Varus derotation intertrochanteric osteotomy. The patient is a 28-year-old female with left hip pain for over 2 years. The left leg is 1.5 cm long. The left leg…
Pelvic Floor Dysfunction
Fig. 1 Referred muscle pain from somatic and visceral sources (From Giamberardino M in Encyclopedia of Pain, SpringerReference, 2013 [23]) Anatomy of the Pelvic Floor The pelvic floor complex consists…
Surgical Approach for Periacetabular Osteotomy
Fig. 1 Overview of skin incision and the underlying muscles (Figure taken with permission from “Periacetabular osteotomy in the treatment of severe acetabular dysplasia. Surgical technique.” Clohisy JC, Barrett SE,…
Hip Avascular Necrosis: Overview
Traumatic/direct injury Femoral neck/head fracture Hip dislocation Slipped capital femoral epiphysis Nontraumatic Corticosteroid use Alcohol abuse Idiopathic Sickle cell disease Caissons disease Systemic lupus erythematosus Cushing disease Organ…
Nerve Injuries Around the Hip
Injury to peripheral nerves can be broken down into two pathologic changes: damage to the myelin or damage to the axon (i.e., Wallerian degeneration). In demyelination, destruction of the myelin…
Clinical Biomechanics of the Hip Joint
Fig. 1 Near-infrared motion capture camera (Vicon Motion Systems Ltd., Oxford, UK) Kinetic analysis at a basic level can involve drawing a free body diagram to estimate two-dimensional forces during…
Surgical Technique: Open Hip Dislocation, Open Reduction, and Internal Fixation
Fig 1 A 36-year-old female presented with a traumatic right hip fracture-dislocation, with a large, displaced intra-articular femoral head fracture (a). CT scan demonstrated the complex fracture pattern (b). Using…
Coxa Saltans: Iliopsoas Snapping and Tendonitis
Fig. 1 The iliopsoas tendon is formed from a confluence of the psoas and iliacus muscles at the level of the inguinal ligament. However, at the inguinal ligament level where…
