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Ethan H. Smith, M.D.
JAMA. 1928;91(17):1307. doi:10.1001/jama.1928.02700170071030.
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To the Editor:  —All instructors in the study of obstetrics should be urged to teach the necessity of examining every infant on delivery, for a possible congenital dislocation of the hip. It is not difficult to detect this abnormality with sufficient surety, to indicate the necessity of a radiographic demonstration to decide the diagnosis. Lay the infant on a table and hold the infant's pelvis secure with one hand placed over the front of the pelvic brim. Grasp the femur at the condyles and shove upward and then pull downward. If the head of the femur is not in the acetabulum, the head of the bone may be moved up and down on the dorsum of the ilium from 1½ to 2 inches without moving the pelvis. Next turn the infant on one side and over the gluteal muscles palpate the head of the femur with one hand, while gently


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