Typical Cervicals Flashcards
ant bear and three-toed sloth
Which mammals have more than 7 cervical vertebrae?
two-toed sloth and manatee
Which mammals have less than 7 cervical vertebrae?
c3-c6
Which vertebrae are typical cervicals?
c1, c2, c7
Which vertebrae are the atypical cerviclas?
rectangular
What is the shape of the typical cervical body from the cranial view?
posterior height is greater than the anterior height (by a few mm)
What is the appearance of the typical cervical vertebral body from the lateral view?
posterior or kyphotic
What would be the direction of the cervical curve based on osseous features?
intervertebral disc height
What accounts for the direction of the typical cervical curve?
anterior or lordotic
What is the direction of the typical cervical curve?
c5/c6
At which vertebral couple will the cervical curve again increase intervertebral disc height?
anterior groove, posterior groove, right and left uncinate processes
What are the modifications of the superior epiphyseal rim of a typical cervical?
uncinate process, uniform process, uncovertebral process, uncus, or lateral lip
What are the names of the lateral modifications of the superior epiphyseal rim?
anterior lip, posterior lip, right and left lateral grooves
What are the modifications of the inferior epiphyseal rim of a typical cervical?
lateral groove or enchancrure
What are the names given to the lateral modifications of the inferior epiphyseal rim?
fibrous (amphiarthrosis) syndesmosis
What is the joint classification for the posterior lip-posterior groove articulation?
modified synovial saddle (diarthrosis sellar)
What is the joint classification for the uncinate process-lateral groove articulation?
cartilaginous (amphiarthrosis) symphysis
What is the joint classification for the spongy bone-intervertebral disc articulation?
5
How many joint surfaces are present on the upper surface of a typical cervical vertebral body?
5
How many joint surfaces are present on the lower surface of typical cervical vertebral body?
10
How many joint surfaces are present on the vertebral body of a typical cervical?
4
How many synovial joint surfaces are present on the vertebral body of a typical cervical?
joint of Luschka or uncovertebral joint
What is the name given to the uncinate process-lateral groove articulation?
the joint is representative of intervertebral disc aging which results in loss of lamellar integrity near the joint.
What does the recent literature suggest as to the nature of the joint of Luschka?
appears to stabilize the intervertebral disc while accommodating flexion-extension and requiring coupled motion (axial rotation with lateral bending) in the cervical spine
What is the functional significance of the joint of Luschka?
longus colli muscle
What muscle attaches to the typical cervical vertebral body?
posterolateral, 45 degrees
What is the orientation and angulation of the pedicle of a typical cervical?
ligamentum flavum
What ligament attaches to the lamina of a typical cervical?
fibrous (amphiarthrosis) syndesmosis
What joint classification will be associated with the ligamentum flavum and its attachment?
para-articular process
Ossification of the ligamentum flavum at the attachment site on the lamina will result in what feature?
accessory bone
Ossification of the ligamentum flavum at the attachment site on the lamina will be associated with what classification of bone?
heterotopic bone
Ossification within the length of the ligamentum flavum will be associated with which classification of bone?
heart-shaped or triangular
What is the outline of the vertebral foramen of a typical cervical vertebra?
transverse
What is the greatest diameter of the vertebral foramen of typical cervicals?
the transverse diameter of the cervical enlargement of the spinal cord
What soft tissue diameter mimics the outline of the typical cervical vertebral foramen?
c6
The greatest transverse diameter of the typical cervical vertebra occurs at?
c5/c6
The greatest frequency of osteophytes associated with the vertebral body occurs at which typical cervical vertebral couple?
costal element, anterior tubercle, costotransverse bar, posterior tubercle, true transverse process
List, in order, the osseous parts of the typical cervical vertebra transverse process beginning at the vertebral body.
anterior scalene, longus capitis, longus colli, anterior intertransversarii
What muscles will attach to the anterior tubercle of a typical cervical vertebra?
posterior tubercle
What is the distal modification of the true transverse process of typical cervicals?
splenius cervicis, iliocostalis cervicis, longissimus cervicis, levator scapula, middle scalene, posterior scalene, rotators, posterior intertransversarii
What muscles may attach to the posterior tubercle of a typical cervical vertebra?
middle scalene and posterior intertransversarii
What muscles will attach to the costotransverse bar?
pleurapophysis
What is the name given to the collective rib-forming region?
sulcus for the central primary ramus of a cervical spinal nerve
What is the name given to the superior margin of the costotransverse bar?
60 degrees anterolaterally (from midsagittal plane), 15 degrees inferiorly (from the horizontal plane)
What is the orientation and angulation of a typical cervical transverse process?
carotid tubercle
What is the name given to the modification of the anterior tubercle of the c6 transverse process?
vertebral artery, vertebral venous plexus, postganglionic symphathetic motor nerve fibers
What will occupy the typical cervical vertebra transverse foramen?
articular pillar
What is the name of the lamina-pedicle junction of typical cervical vertebrae?
groove/sulcus for the dorsal ramus of a cervical spinal nerve
What is the name of the surface feature observed between the ends of the articular pillar?
medial branch of the dorsal ramus of a cervical spinal nerve
What nerve indents the articular pillar of typical cervical vertebrae?
40-45 degrees from coronal plane
What is the classic angulation of typical cervical articular facets?
backward, upward, medial (BUM)
What is the orientation of the typical cervical superior articular facet?
forward, lateral, downward (FoLD)
What is the orientation of the typical cervical inferior articular facet?
longissimus capitis, longissimus cervicis, semispinalis capitis, semispinalis cervicis, multifidis, rotators
What muscles will attach to typical cervical articular process?
semispinalis capitis, multifidis, rotator longus
What muscles blend with the capsular ligament of cervical zygapophyses?
meniscoidal folds
What modifications of the synovial joint are observed in the cervical spine?
typically c5/c6
The greatest range of flexion-extension among the typical cervical vertebra occurs at which vertebral couple?
lateral bending and axial rotation
What motions are coupled in the cervical spine?
c2/c3, c3/c4, c4/c5 vertebral couples
Ranges of coupled motion among the typical cervical vertebrae will be similar for what cervical vertebral couples?
c5/c6 vertebral couple
Ranges of coupled motion among the typical cervical vertebrae will begin to decrease at what cervical vertebral couple?
spinalis cervicis, semispinalis cervicis, semispinalis thoracis, multifidis, rotators, interspinalis
What muscles may attach to the typical cervical spinous process?