Spinal Joints Flashcards
Atlanto-Occipital Joint type?
synovial
Median-Atlanto-Axial joint (Atlanto-dental) Joint type?
synovial
Lateral Atlanto-axial joint type?
synovial
Zygapophyseal (facet) joint type?
synovial
Atlanto-Occipital Joint classification?
condylar
Median-Atlanto-Axial joint (Atlanto-dental) Joint classification?
Pivot/trochoid
Lateral Atlanto-axial joint classification?
planar
Zygapophyseal (facet) joint
planar
Median-Atlanto-Axial joint (Atlanto-dental) Joint bones involved?
Anterior arch of C1 and the dens of C2
Lateral Atlanto-axial joint bones involved?
Lateral masses of C1 and superior articular facets of C2
Atlanto-Occipital Joint innervation?
C1
Median-Atlanto-Axial joint (Atlanto-dental) Joint innervation?
C2
Lateral Atlanto-axial joint innervation?
C2
Zygapophyseal innervation?
Medial branches of the dorsal ram of the corresponding spinal nerve and also one below and above
Zygapophyseal joint orientation depends on the region. List areas and orientations.
Cervical - BUM
Thoracic - BUL
L1-L4 - bM - Sagittal plane
L5 - backwards (b) - coronal plane
Facets joint degree orientation for cervical?
Coronal - 0
Sagittal - 90
Horizontal - 45
Facets joint degree orientation for thoracics?
Coronal - 15
Sagittal - 75
Horizontal - 60
Facets joint degree orientation for lumbar?
Coronal - 90
Sagittal - 0
Horizontal - 90
Range of motion for the zygapophyseal joint depends on what?
The region
Cervical facet joint capsules are ____ and _____.
Long and loose
What muscles are acting on the zygapophyseal joints?
paraspinals
