Flashcards in Typical Cervical Vertebrae C3-C6 Deck (73):
Which mammals have more than seven cervical vertebrae?
Ant bear, three-toed sloth
Which mammals have less than seven cervical vertebrae?
Two-toes sloth and manatee
What is the number of vertebrae in the typical cervical spine?
Which vertebrae are typical cervicals?
Which vertebrae are atypical cervicals?
C1, 2 and 7
What is the shape of the typical cervical vertebral body from the cranial view?
What is the appearance of the typical revival body form the lateral view?
Posterior height is greater than the anterior height by a few millimeters
What would be the direction of the vertical curve based on osseous features?
Posterior or kyphotic
What accounts for the direction o the typical cervical curve?
The intervertebral disc height
What is the direction of the typical cervical curve?
Anterior or lordotic
At which vertebral couple will the cervical curve again increase intervertebral disc height?
What is the sect o aging on the cervical vertebral body?
It diminishes the overall height o the vertebral body
What are the modifications o the superior epiphyseal rim of a typical cervical?
Anterior groove, posterior groove, right and left uncinate processes
What are the names o the lateral modification the superior epiphyseal rim?
Uncinate process, unciform process, uncovertebral process, uncus or lateral lip
What are the modifications o the inferior epiphyseal rim of a typical cervical?
Anterior lip, posterior lip, right and left lateral grooves
What is the joint classification for the anterior lip-anterior groove articulation?
Fibrous (amphiarthrosis) syndesmosis
What is the joint classification for the uncinate process-lateral groove articulation?
Modified synovial saddle (diarthrosis sellar)
What is the joint classification for the spongy bone-intervertebral disc articulation?
Cartilaginous (amphiarthrosis) symphysis
How many joints are present on the upper surface of a typical cervical vertebral body?
How many joints are present on the lower surface of a typical cervical vertebral body?
How many joint surfaces are present on the vertebral body of a typical cervical?
How many synovial joint surfaces are present on the vertebral body of a typical cervical?
What other terms are used to ID the uncinate process?
Unciform process, uncovertebral process, uncus, lateral lip
What is the name given to the uncinate process-lateral groove articulation?
Joint of Luschka or uncovertebral joint
The joint of Luschka is formed form what surfaces?
The uncinate processes and lateral groove
What is they functional significance o the joint of Luschka?
It appears to stabilize the intervertebral disc while accommodating flexion - extension and requiring pulped motion (axial rotation with lateral bending) in the cervical spine
What muscle attaches to the typical cervical vertebral body?
The Longus colli muscle
What is the orientation and angulation of the pedicle of a typical cervical?
Posterolateral, 45 degrees
What is the direction of projection of the cervical lamina?
What ligament attaches to the lamina of a typical cervical?
Ossification of the ligamentum flavum at the attachment site on the lamina will result in what feature?
Ossification o the ligamentum flavum at the attachment site on the lamina will be associated with which classification o bone?
What is the outline of the vertebral Foramen of a typical cervical vertebra>
Heart-shaped or triangular
Which is the greatest diameter of the vertebral Foramen o typical cervicals?
What sot tissue diameter mimics the outline of the typical cervical Foramen?
The transverse diameter of the cervical enlargement of the spinal cord
The greatest transverse diameter of the typical cervical vertebra occurs at ______?
The greatest frequency of osteophytes associate with the vertebral body occurs at which typical cervical vertebral couple?
List, in order, the osseous parts of the typical cervical vertebra transverse process beginning at the vertebral body.
Costal element, anterior tubercle, costotransverse bar, posterior tubercle, true transverse process
List, in order, the osseous parts of the typical cervical vertebrae transverse process beginning at the lamina pedicle junction.
True transverse process, posterior tubercle, costotransverse bar, anterior tubercle, costal element
What muscles will attach to the anterior tubercle of a typical cervical vertebra?
Anterior scalene, Longus capitis, Longus colli, anterior intertrasversarii
What muscles may attach to the posterior tubercle of a typical cervical vertebra?
Splenius cervicis, Iliocostalis cervicis, longissimus cervicis, levator scapula, middle scalene, posterior scalene, rotators and posterior intertrasversarii
What muscles will attach to the costotransverse bar?
Middle scalene and posterior intertrasversarii
What produces the primary tension on the transverse process that will cause remodeling in the anterolateral and inferior directions?
Cervical spinal nerves as they are directed anterolaterally and inferior lay to form the cervical and brachial plexuses
What is the orientation and angulation of a typical cervical transverse process?
60 degrees anterolaterally (from midsagittal alne), 15 degrees inferiorly (form the horizontal plane)
What is the name given to the modification of the anterior tubercle of the C6 transverse process?
The carotid tubercle
What will cause remodeling of the anterior tubercle at C6?
The common carotid artery
What will occupy the typical cervical vertebra transverse Foramen>
The vertebral artery, vertebral venous plexus and postganglionic sympathetic motor nerve fibers
What part of the peripheral nerve system is observed in the transverse Foramen of typical cervical vertebrae?
Postganglionic sympathetic motor nerve fibers of the autonomic (involuntary or visceral) nerve system
What is the name of the lamina-pedicle junction of typical cervical vertebrae?
The articular pillar
What nerve indents the articular pillar of typical cervical spinal nerve?
The medial branch of the dorsal ramus of a cervical spinal nerve
What is the classic angulation of typical cervical articular facets?
40 to 45 degrees from the coronal plane
Recent work suggests what angulation for typical cervical articular facets?
55 to 60 degrees
What is the orientation of the typical cervical superior articular facet?
Backward, upward, medial (BUM)
What is the orientation of the typical inferior articular facet?
Forward, lateral, downward (FoLD)
What muscles will attach to typical cervical inferior articular facet?
The longissimus capitis, longissimus cervicis, semispinalis capitis, semispinalis cervicis, multifidis and rotator longus
What muscle blend with the capsular ligament of cervical zygapophyses?
The semispinalis capitis, multifidis, and rotator Longus
What is the joint classification for the typical cervical zygapophysis?
Synovial plane (diarthrosis arthrodia) joint
What modifications of the synovial joint are observed in the cervical spine?
What function will meniscoidal folds provide in cervical zygapophyses?
They are assumed to distribute pressure across the joint surface
The greatest range of flexion - extension among the typical cervical vertebrae occurs at which vertebral couple?
What motions are coupled in the cervical spine?
Lateral bending and axial rotation
Ranges of coupled motion amount the typical cervical vertebrae will be similar for what cervical vertebral couples?
The C2/C3, C3/C4, C4/C5 vertebral couples
Ranges of couple motion among the typical cervical vertebrae will begin to decrease at what cervical vertebral couple?
The C5/C6 vertebral couple
What is the usual condition for the Caucasian typical cervical spinous process?
They are bifid
What is the usual condition of for the African-American typical cervical spinous processe?
They are non-bifid
What muscles may attach to the typical cervical spinous process>
The spinalis cervicis, semispinalis cervicis, semispinalis thoracis, multifidis, rotators and interspinalis
What ligaments will attach to the typical cervical spinous process?
The interspinous ligament and ligamentum nuchae
What will form the posterior boundary of a typical cervical intervertebral Foramen?
The inferior articular process (post-zygapophysis), the superior articular process (pre-zygapophysis), the capsular ligament and the ligamentum flavum
What will form the superior boundary to a typical cervical intervertebral Foramen?
The inferior vertebral notch or inferior vertebral incisure
What will form the inferior boundary of a typical cervical intervertebral Foramen?
The superior vertebral notch or superior vertebral incisure
What will form the unique anterior boundary of a typical cervical intervertebral Foramen?
The uncinate process of the segment below and lateral groove of the segment above forms the joint of Luschka
What is the unique anterior boundary of the intervertebral Foramen for the C4 spinal nerve?
The lateral groove of C3 and uncinate process of C4 forming the joint of Luschka