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{|class="wikitable"| [[File:Reimer's migration index (crop).png|300px]] || '''Reimer's migration index''' can be used to indicate hip dislocation. The migration index (MI) is normally less than 33%.<ref>{{cite web|url=http://www.actaorthopaedica.be/acta/download/2008-5/06-Persiani%20et%20al.pdf|title=Hip subluxation and dislocation in cerebral palsy: Outcome of bone surgery in 21 hips|author1=Pietro PERSIANI|author2=Iakov MOLAYEM|year=2008|author3=Alessandro CALISTRI|author4=Stefano ROSI|author5=Marco BOVE|author6=Ciro VILLANI|journal=Acta Orthop. Belg.}}</ref>|}
Split
*(C) '''Shenton line''' is a continuous arc drawn from the inner edge of the femoral neck to the superior margin of the obturator foramen. This should be smooth and undisrupted; otherwise it may indicate a fracture or hip dysplasia.
*(D) The '''acetabular index''' measures the acetabular roof slope. It is the most useful measure of acetabular dysplasia until 6 years of age. It is formed between Hilgenreiner line and the acetabular roof. In newborns, values of '''30° ±4° in females''' and '''26° ±5° in males''' are considered normal. Gradually this angle becomes smaller, with a mean value of '''20° ±3° in females''' and '''18° ±4° in males''' at 1 year of age.
<gallery mode=packed heights=180px210px>
File:Acetabular index by age in males.png|Acetabular index by age in males.<ref name="Akel2013">{{cite journal|last1=Akel|first1=İbrahim|title=Acetabular index values in healthy Turkish children between 6 months and 8 years of age: a cross-sectional radiological study|journal=Acta Orthopaedica et Traumatologica Turcica|volume=47|issue=1|year=2013|pages=38–42|issn=1017995X|doi=10.3944/AOTT.2013.2832}}</ref>
File:Acetabular index by age in females.png|Acetabular index by age in females.<ref name="Akel2013"/>
</gallery>
*(E) The '''medial articular joint space''' is measured between the medial border of the femoral head or neck (when epiphysis is not ossified) and the acetabular platform. Normal values range between 5 and 12 mm. Differences greater than 1.5 mm between the two sides are considered abnormal.
Also check for any asymmetric or age-inconsistent mineralization of the femoral heads.
===Further workup===
[[File:Reimer's migration index (crop).png|thumb|300px|Reimer's migration index.]]
In case of hip dysplasia, also measure '''Reimer's migration index''', which can be used to indicate hip dislocation. The migration index (MI) is normally less than 33%.<ref>{{cite web|url=http://www.actaorthopaedica.be/acta/download/2008-5/06-Persiani%20et%20al.pdf|title=Hip subluxation and dislocation in cerebral palsy: Outcome of bone surgery in 21 hips|author1=Pietro PERSIANI|author2=Iakov MOLAYEM|year=2008|author3=Alessandro CALISTRI|author4=Stefano ROSI|author5=Marco BOVE|author6=Ciro VILLANI|journal=Acta Orthop. Belg.}}</ref>
===Report===
*Absence or presence of signs of hip dyslpasiadysplasia, including at least any abnormal measurement.
==Measurements in adults==
