Recognition of Cranio-Cervical Instability in the Complex Chiari ...
Recognition of Cranio-Cervical Instability in the Complex Chiari ...
Recognition of Cranio-Cervical Instability in the Complex Chiari ...
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¡ A l<strong>in</strong>e drawn along <strong>the</strong> hard<br />
palate, <strong>in</strong>tersect<strong>in</strong>g a l<strong>in</strong>e<br />
along <strong>the</strong> Atlas <strong>in</strong> <strong>the</strong><br />
neutral position<br />
b >13° reflects basilar<br />
<strong>in</strong>vag<strong>in</strong>ation<br />
¡ But does not account for<br />
variability between flexion<br />
extension, nor recognize<br />
differential development <strong>of</strong><br />
face and sp<strong>in</strong>e<br />
Bull, Nixon and Pratt, Bra<strong>in</strong> 78:<br />
229-‐247, 1955.The radiological<br />
criteria and familial occurrence <strong>of</strong><br />
primary basilar <strong>in</strong>vag<strong>in</strong>ation<br />
b