Facet (zygapophyseal) joints

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Created by
Hiri P

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  • Facet (zygapophyseal) joints:
    • Facets almost vertically Anterior to Posterior to allow large amount rotation (≈ 35 °) in each direction
    • Combined Flexion/Extension (≈ 50 - 70 °)
    • Lateral flexion ≈ 20 - 25 ° (to each side)
    A) facet joint