Chapter 29: The Neonatal Hip

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1

Abduction

to move away from the body

2

adduction

to move toward the body

3

Barlow maneuver

the patient lies in the supine position with the hip flexed 90 degrees and adducted; downward and outward pressure is applied; if the hip is dislocated, the examiner will feel the femoral head move out of the acetabulum

4

developmental displacement of the hip (DDH)

abnormal condition of the hip that results in congenital hip dysplasia; includes dysplastic, subluxated, dislocatable, and dislocated hips

5

fascia lata

deep fascia of the thigh

6

femoral triangle

description of a region at the front of the upper thigh, just below the inguinal ligament

7

frank dislocation

the hip is laterally and posteriorly displaced to the extent that the femoral head has no contact with the acetabulum and the normal “U” configuration cannot be obtained on ultrasound

8

Galeazzi sign

on physical examination, the knee is lower in position on the affected side of the neonate with DDH when the patient is supine and the knees are flexed

9

hip joint

formed by the articulation of the head of the femur with the acetabulum of the hip bone

10

Ortolani maneuver

patient lies in the supine position; the examiner’s hand is placed around the hip to be examined with the fingers over the femoral head; the hip is flexed 90 degrees and the thigh is abducted

11

pelvic girdle

formation of the hip bones by the ilium, ischium, and pubis

12

saphenous opening

gap in the fascia lata, which is found 4 cm inferior and lateral to the pubic tubercle

13

sciatic nerve

largest nerve in the upper thigh

14

subluxation

occurs when the femoral head moves posteriorly and remains in contact with the posterior aspect of the acetabulum