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Applied Kinesiology > Cervical Spine - Upper Cervical/Atypical Vertebrae > Flashcards

Cervical Spine - Upper Cervical/Atypical Vertebrae Flashcards

1
Q

upper cervical

A

occiput, atlas, axis

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2
Q

atypical vertebrae

A

atlas, axis, C7

at transition zones

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3
Q

what is the function of the atlas

A

atypical

functions to cradle occiput and transmit forces from occiput to lower C- spine

no vertebral body or spinous process, 2 lateral masses separated by anterior and posterior arch

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4
Q

what is the function of the axis

A

atypical

functions to transmit combined load of the head/atlas to C-spine and provides axial rotation of the head/atlas

anterior portion of the body extends inferiorly

spinous process is large/elongated and bifid

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5
Q

dens

A

on the axis, vertical projection from the superior surface of the body

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6
Q

C7

A

atypical

largest cervical vertebrae

characteristics of thoracic vertebrae

large spinous process

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7
Q

what is the articulation of the atlanto-occipital joint

A

convex occipital condyles articulate with concave superior facets of atlas

synovial plane

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8
Q

what are the articulations of the atlanto-axial joint

A

dens and anterior arch of atlas/transverse ligaments - synovial pivot joint

inferior facets of the atlas with superior facets of the axis - biconvex with meniscoids

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9
Q

what is the primary motion that occurs at the atlanto-occipital joint?

A

nodding

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10
Q

arthrokinematics of atlanto-occipital joint, what occurs in the sagittal plane?

A

flexion/extension

convex occipital condyles/concave superior articular facet of atlas - opposite roll and slide

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11
Q

arthrokinematics of atlanto-occipital joint, what occurs in the transverse plane?

A

rotation

limited by deep joint congruency

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12
Q

arthrokinematics of atlanto-occipital joint, what occurs in the frontal plane?

A

lateral bending

convex occipital condyles/concave superior articular facet of atlas - opposite roll and slide

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13
Q

what is the primary motion that occurs at the atlanto-axial joint?

A

rotation

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14
Q

arthrokinematics of atlanto-axial joint, what occurs in the sagittal plane?

A

flexion/extension

anterior arch and transverse ligament/dens - anterior tilit of atlas on axis

atlas acts as a washer or space btw occiput and axis

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15
Q

why cant the inferior facet of atlas/superior facet of axis glide?

A

inhibited from the transverse ligament

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16
Q

arthrokinematics of atlanto-axial joint, what occurs in the transverse plane?

A

anterior arch and transverse ligament/dens rotates

inferior facet of the atlas/superior facet of the axis slide

Applied Kinesiology (14 decks)

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