Term
3 functions of vertebral column |
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Definition
stability (support for load bearing), mobility, protection of spinal cord |
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Term
how many dof in vertebral column |
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Definition
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Term
breakdown of vertebral column |
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Definition
7 cervical, 12 thoracic, 5 lumbar, sacrum, coccyx |
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Term
can you locate these parts of a vertebrae?: body, pedicle, lamina, transverse process, spinous process, vertebral canal, superior and inferior facets |
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Definition
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Term
describe cervical spinous processes |
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Definition
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Term
describe cervical vertebral canal |
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Definition
large, for passage of large spinal cord |
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Term
what is transverse foramen |
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Definition
hole in transverse processes of cervical vertebrae for passage of vertebral artery |
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Term
describe uncovertebral joints |
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Definition
on superior lateral borders of bodies of cervical vertebrae. Maybe they add stability, but exact purpose is unknown. |
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Term
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Definition
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Term
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Definition
no body, concave superior articular facets, flat inferior facet, no spinous process (posterior tubercle), largest vertebral foramen,has largest transverse process of C-spine |
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Term
which vertebrae has largest transverse process of C spine? |
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Definition
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Term
what does C1 have instead of a spinous process |
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Definition
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Term
describe C1's inferior facets |
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Definition
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Term
describe C1's superior articular facets |
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Definition
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Term
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Definition
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Term
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Definition
dens in body, large spinous process, large/flat facets for articulation with C1 |
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Term
what are the typical cervical vertebrae |
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Definition
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Term
describe superior articular facets of C3-6 |
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Definition
face posterior-superiorly |
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Term
describe inferior articular facets of C3-6 |
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Definition
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Term
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Definition
similar to thoracic vertebrae, most prominent spinous process in the spine, |
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Term
describe the occasional anomaly of C7 |
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Definition
extra articulations with "cervical rib" |
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Term
what is the most mobile part of the spine |
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Definition
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Term
what is the craniocervical region |
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Definition
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Term
2 major joints of the craniocervical region |
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Definition
atlanto-occipital, atlanto-axial |
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Term
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Definition
convex occipital condyles on concave superior facets of atlas, gives nodding |
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Term
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Definition
2 articulations: dens and posterior surface of anterior arch of atlas, facet joints; gives "no" movement |
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Term
function of cervical ligaments |
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Definition
control motion of vertebrae by becoming taut or slack with movement |
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Term
what determines how a ligament controls movement? |
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Definition
position/location makes them good at resisting certain motions |
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Term
describe posterior longitudinal ligament |
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Definition
supports disc posteriorly, tapers inferiorly |
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Term
describe anterior longitudinal ligament |
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Definition
thick and strong throughout |
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Term
what are the major ligaments of the spine |
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Definition
anterior longitudinal ligament, posterior longitudinal ligament, ligamentum flavum, interspinous ligaments, intertransverse ligaments, supraspinous ligaments |
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Term
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Definition
very tough fibrous ligament from dens to the sides of occiptal condyles that restricts axial rotation of the head and atlas and limits sidebending |
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Term
if you rotate your head to the left, which alar ligament do you tighten? |
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Definition
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Term
if you rotate your head to the right, which alar ligament do you tighten? |
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Definition
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Term
where is the atlantal cruciform ligament |
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Definition
encircles the dense withint he atlas |
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Term
describe the fibers of the altlantal cruciform ligament |
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Definition
transverse, superior, inferior |
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Term
function of atlantal cruciform ligament |
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Definition
with anterior arch of C1, gives the pivot for rotation AND prevents the dens from moving into spinal cord |
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Term
where is tectoral membrane |
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Definition
just posterior to cruciate ligament |
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Term
what is tectoral membrane |
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Definition
continuation of posterior longitudinal ligament |
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Term
function of tectoral membrane |
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Definition
strengthens connection between skull and spine |
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Term
no disc between which 2 vertebrae? |
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Definition
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Term
how are cervical nerve roots named |
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Definition
for inferior vertebra (except C8) |
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Term
how are cervical nerves connected to upper extremities? |
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Definition
brachial plexus, peripheral nerves |
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Term
intervertebral disc function |
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Definition
respond to compression, shock absorption |
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Term
what is outer part of intervertebral disc, made of concentric rings |
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Definition
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Term
where is annulus fibrosis thicker |
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Definition
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Term
inner part of intervertebral disc |
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Definition
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Term
consistency of nucleus pulposis |
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Definition
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Term
describe "movement" of nucleus pulposis |
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Definition
migrates in response to forces of spinal motion. Pressure changes due to postures and location of loads. Moves away from force. |
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Term
where does disc herniation occur |
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Definition
posterior-laterally: posterior bc annulus fibrosis thinner posteriorly, which drives nucleus pulposus posterior and lateral bc posterior longitudinal ligament |
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Term
describe spinal osteokinematics |
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Definition
flexion, extension, L sidebending, R sidebending, rotation |
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Term
3 joints between 2 vertebrae |
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Definition
1 interbody joint, 2 apophyseal joints |
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Term
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Definition
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Term
describe apophyseal joints |
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Definition
supieror and inferior articular facets |
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Term
how is intervertebral movement guided? |
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Definition
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Term
where does most of the weight go down in vertebral column |
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Definition
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Term
where is center of rotation in vertebral column |
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Definition
middle of interbody joint |
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Term
describe flexion of vertebrae at interbody joints |
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Definition
anterior compression of IV discs, pushes nucleus posteriorly, causes bulging of annulus anterior to body |
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Term
describe vertebal extension at interbody joint |
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Definition
posterior compression of IV discs, pushes nucleus anteriorly, causes bulging of annulus posterior to body |
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Term
functions of apophyseal joints |
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Definition
guide motion, small load bearing |
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Term
describe structure of apophyseal joints |
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Definition
synovial joint with associated structures, meniscoids, ligaments, multifidus, highly innervated |
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Term
total motion of extension at c spine |
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Definition
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Term
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Definition
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Term
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Definition
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Term
where does most of extension of Cspine occur |
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Definition
C2-7, initiated at lower cervical spine |
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Term
what is the position of facets during full extension of the c spine? |
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Definition
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Term
what is close packed position |
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Definition
everything at its tightest, maximum congruency |
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Term
how does superior vertebra move as C spine extends? |
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Definition
moves posterior/inferiorly (slides down and back) |
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Term
what is the total motion of C spine flexion |
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Definition
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Term
what is the amount of flexion from AO joint |
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Definition
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Term
what is the amount of flexion from the AA joint |
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Definition
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Term
where does most flexion from c spine come from |
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Definition
C2-7, initiated at lower cervical spine |
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Term
describe facet motion of c spine in flexion |
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Definition
superior vertebrae moves superior/anteriorly (up and forward) |
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Term
between what 2 cervical vertebrae does the greatest amount of flexion/extension occur? |
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Definition
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Term
where are we most likely to see degeneration in flexion in the c spine |
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Definition
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Term
If C4/C5 has a lack of flexion and you want to encourage flexion there, what will you push? |
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Definition
glide C4 anteriorly on C5 |
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Term
as you glide C4 anteriorly on C5, what is happening with C3 |
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Definition
causing extension between C3-4 |
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Term
what is the total motoin of axial rotation in c spine |
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Definition
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Term
what is the motion of AA in cervical rotation |
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Definition
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Term
what is the motion of C2-C7 in cervical rotation |
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Definition
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Term
what is the total motion of C spine sidebending (in degrees) |
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Definition
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Term
how much does the AO joint contribute to c spine sidebending (in degrees) |
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Definition
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Term
what provides most of the movement for c spine sidebending |
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Definition
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Term
what are the cervical motions at the AO joint |
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Definition
about 15 degrees of nodding, slight sidebending, no rotation |
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Term
what are the cervical motions at the AA joint |
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Definition
some flex/ext, No sidebending, 45 degrees of cervical rotation |
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Term
what do you get when upper c spine is extended and lower c spine is flexed |
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Definition
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Term
what do you get when upper c spine is flexed and lower c spine is extended |
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Definition
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Term
describe cervical spine sidebending and rotation |
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Definition
coupled ipsilaterally: they happen together |
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Term
what opens the intervertebral foramen to provide more room for nerve root |
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Definition
flexion, sidebend away, rotate away |
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Term
what closes the intervertebral foramen and makes less room for nerve root? |
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Definition
extension, sidebend toward, rotate toward |
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Term
what drives a disc's nucleus anterior? |
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Definition
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Term
what drives a disc's nucleus posterior |
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Definition
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Term
what does gravity want to do to c spine |
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Definition
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Term
list the cervical muscles |
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Definition
sternocleidomastoid, anterior/middle/posterior scalenes, longus coli, longus capitis, rectus capitis anterior, rectus capitis lateralis, rectus capitis posterior major, rectus capitis posterior minor, obliqus capitis superior, obliqus capitis inferior |
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Term
which muscles have greater moment arm, superfirical or deep muscles? |
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Definition
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Term
what do anterior neck muscles and levator scapulae do? |
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Definition
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Term
what is thoracic outlet syndrome |
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Definition
compression on brachial plexus from muscles, fibrous tissue, cervical rib |
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Term
describe forward head posture |
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Definition
line of gravity is anterior, creep exacerbates, active structures stretched or shortened (weakened either way) |
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