Flashcards in Spinal canal and Spinal Cord relationships + Cervical region Deck (60):
What is the relationship between spinal nerve number, rib number, and vertebral number in a thoracic IVF?
the spinal nerve number relates to the upper segment number in the vertebral couple
the rib number relates to the lower segment number in the vertebral couple
which mammals have more than seven cervical vertebrae?
ant bear, three toed sloth
which mammals have less than seven cervical vertebrae?
Two toed sloth, manatee
which vertebrae are typical cervicals?
which vertebrae are atypical cervicals?
C1, C2, and C7
what is the shape of the typical cervical vertebral body from the cranial view?
what is the appearance of the typical cervical vertebral body from the lateral view?
posterior height is greater than anterior height by a few milimeters
What would be the direction of the cervical curve based on osseous features?
Posterior or kyphotic
what accounts for the direction of the typical cervical curve?
the IVD height
what is the direction of the typical cervical curve?
anterior or lordotic
at which vertebral couple will the cervical curve again increase IVD height?
What is the effect of aging on the cervical vertebral body?
it diminishes the overall height of the vertebral body
what are the modifications of the superior epiphyseal rim?
anterior groove, posterior groove, right and left uncinate processes
what are the names of the lateral modification of the superior epiphyseal rim?
uncinate process, unciform process, uncovertebral process, uncus or lateral lip
what are the modifications of the inferior epiphyseal rim of a typical cervical?
anterior lip, posterior lip, right and left lateral grooves
what are the names given to the lateral modifications of the inferior epiphyseal rim|?
lateral groove or enchancrure
What is the joint classification for the posterior lip- posterior groove articulation?
What is the joint classification for the uncinate process lateral groove articulation?
modified synovial saddle
what is the joint classifcation for the spongy bone IVD articulation?
how many joint surfaces are present on the upper surface of a typical cervical vertebral body?
how many joint surfaces 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 is the name given to the uncinate process lateral groove articulation?
joint of luschka or uncovertebral joint
what does the recent literature suggest as to the nature of the joint of luschka?
the joint is representative of IVD while accomodating flexion - extension and requiring coupled motion in the cervical spine
what muscle attaches to the typical cervical boyd?
The longus colli muscle
what is the orientation and angulation of the pedicle of a typical cervical?
posterolateral, 45 degree
what ligament attaches to the lamina of a typical cervical?
What joint classification will be associated with the ligamentum flavum and its attachments?
Ossification of the ligamentum flavum at the attachment site on the lamina will result in what feature?
ossification of the ligamentum flavum at the attachment site on the lamina will be associated with which classification of bone?
ossification within the length of the ligamentum flavum will be associated with which classification of bone?
what is the outline of the vertebral foramen of a typical cervical vertebrae?
heart shaped or triangular
which is the greatest diameter of the vertebral foramen of typical cervicals?
what soft tissue diameter mimics the outline of the typical cervical vertebral 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 associated with the vertebral body occurs at which typical cervical vertebral couple?
what muscles will attach to the anterior tubercle of a typical cervical vertebra?
anterior scalene, longus capitis, longus colli, anterior intertrasversarii
what is the distal modification of the true transverse process of typical cervicals?
the posterior tubercle
what muscles may attach to the posterior tubercle of a typical cervical verterbra?
splenius cervicis, iliocostalis cervicis, logissimus cervicis, levator scapula, middle scalene, posterior scalene, rotators and posterior intertransversarii
what muscles will attach to the costotransverse bar?
middle scalene and posterior intertransversarii
what is the name given to the collective rib forming region?
what is the name given to the superior margin of the costotransverse bar?
sulcus for the ventral primary ramus of a cervical spinal nerve
what is the orientation and angulation of a typical cervical transverse process?
60 degrees anterolaterally, 15 degrees inferiorly
what is the name given to the modification of the anterior tubercle of the C6 transverse process?
the carotid tubercle
what will occupy the typical cervical vertebra transverse foramen?
the vertebral artery, vertebral venous plexus and postganglionic sympathetic motor nerve fibers
what is the name of the lamina pedicle junction of typical cervical vertebrae?
the articular pillar
what is the name of the surface feature observed between the ends of the articular pillar?
the groove/sulcus for the dorsal ramus of a cervical spinal nerve
what nerve indents the articular pillar of typical cervical vertebra?
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
what is the orientation of the typical cervical superior articular facet?
backward, upward, medial
what is the orientation of the typical cervical inferior articular facet
forward, lateral, downward
what muscles will attach to typical cervical articular processes?
the longissimus capitis, longissimus cervicis, semispinalis capitis, semispinalis cervicis, multifidis and rotators
what muscles blend with the capsular ligament of cervical zygapophysis?
the semispinalis capitis, multifidis and rotator longus
what modifications of the synovial joint are observed in the cervical spine?
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 among the typical cervical vertebrae will be similar fot what cervical vertebral couples?
The C2/C3, C3/C4, C4/C5 vertebral couples
ranges of coupled motion among the typical cervical vertebrae will begin to decrease at what cervical vertebral couple?
The C5/C6 vertebral couple