Young female patient with severe slip of the left hip, treated by immobilization (anti-rotation plasters) after hip manipulation. The range of motion of the left hip was normal at the final follow-up. (A and B) Anteroposterior radiograph of the pelvis and spot film before treatment, in a nine-year-old girl who had an acute/severe slip SCFE in the left hip. (C and D) Patient under general anesthesia submitted to gentle Leadbetter manipulation. Bilateral toe-to-groin casts had been applied. (E and F) Anteroposterior and Frog-leg lateral radiographs showing the physis beginning the closure process in AP and lateral views. (G and H) Anteroposterior and frog-leg lateral radiographs of the left hip, showing complete closure of the growth-plate.