ABC Orthotic & Prosthetic Practice Exam

Legg-Calve-Perthes disease is a condition that affects the hip joint in children, specifically involving the avascular necrosis of the femoral head. The average onset age for this disease is typically around 6 years old, which aligns with the chosen answer.

Understanding this age range is crucial, as Legg-Calve-Perthes disease predominantly occurs in children aged between 4 to 8 years, with a peak incidence at around 6 years. This knowledge helps practitioners recognize symptoms and provide timely interventions. Early diagnosis and management are important for preventing long-term hip joint issues, so being aware of the average onset age contributes to better clinical practices and outcomes in pediatric orthopedics.