Dr. William Harris: A 61/2-year-old boy was brought to the emergency ward of the Massachusetts General Hospital because of pain in his right hip. He had been sitting on his bed, leaning forward to tie his shoe, when he slipped off the edge of the bed. He landed on his right knee with his right thigh in a position of adduction and flexion, and was unable to rise from the floor.
Examination of his hip showed that the right thigh was adducted, internally rotated, and flexed, and the femoral head could be felt in the right buttock. There was full motion and motor power throughout the right lower extremity below the hip. Sensation and circulation were intact. X-ray examination of the hip showed complete dislocation of the right hip ( Fig 1).
This was not the first episode of dislocation of the right hip that this young boy had experienced.