Atlanto-occipital joint Flashcards Preview

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Flashcards in Atlanto-occipital joint Deck (9):
1

What is the classification of the atlanto-occipital joint?

synovial (diarthrosis) ellipsoidal

2

What other joint space does the atlanto-occipital joint communicate with?

the posterior bursa of the median atlanto-axial joint

3

What is the median thickening of the anterior atlanto-occipital ligament called?

the anterior longitudinal ligament

4

Ossification of the free margin of the posterior atlanto-occipital ligament results in which atypical bone classification?

accessory bone

5

What other name may be used to identify a ponticulus posticus?

Kimmerle's anomaly

6

**What amount of flexion - extension is accommodated by the atlanto-occipital joint?

about twenty-five degrees

7

**What amount of axial rotation is accommodated by the atlanto-occipital joint?

about three to eight degrees one side axial rotation

8

**What amount of lateral bending is accommodated by the atlanto-occipital joint?

about five degrees

9

**Which motion is best accommodated by the atlanto-occipital joint?

flexion - extension

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