Developmental Dysplasia of the Hip.- Legg-Calve-Perthes Disease.- Slipped Capital Femoral Epiphysis and Developmental Coxa Vara.- Femoroacetabular Impingement.- Developmental Disorders of the Knee.- Torsional, Angular and Deficiency Disorders of the Lower Extremity.- Developmental Disorders of the Foot and Ankle. sakriti opis