Additional Vertebral Column Arthrology Flashcards
What is the classification of the atlanto-occiptal joint?
synovial (diarthrosis) ellipsoidal
What other joint space does the atlanto-occipital joint communicate with?
the posterior bursa of the median atlanto-axial joint
What is the median thickening of the anterior atlanto-occipital ligament called?
the anterior longitudinal ligament
Ossification of the free margin of the posterior atlanto-occipital ligament results in which atypical boneclassification?
accessory bone
What other name may be used to identify a ponticulus ponticus?
kimmerle’s anomaly
What amount of flexion - extension is accomodated by the atlanto-occipital joint?
about twenty-five degrees
What amount of axial rotation is accomodated by the atlanto-occipital joint?
about three to eight degrees one side axial rotation
What amount of lateral bending is accomodated by the atlanto-occipital joint?
about five degrees
Which motion is best accomodated by the atlanto-occipital joint?
flexion - extension
