Avulsion fractures of the pelvis and the proximal femur are relatively rare injuries in the adolescent age group of 11 to 17 years. The overall prognosis for spontaneous healing is good. The injury most frequently involves the apophysis of the anterior inferior iliac spine and of the lesser trochanter, followed by anterior superior iliac spine. In our experience the avulsion fractures involving the ischial tuberosity and the greater trochanter are extremely rare. The latter can have dire consequences.