Quiz Set 2 Flashcards
What muscles attaches to the anterior arch of C1
longus colli
what is the morphology of the superior articular facet of C1
they are elliptical, closer together in front and often demonstrate an elevation subdividing the facet surface into two separate surfaces
what is the orientation of the inferior articular facet of C1
backward, medial, downward (BMD)
what is the name of the rounded elevation on the medial aspect of the lateral mass of C1
tubercle for the transverse atlantal ligament
what muscles attach to the lateral mass of C1
levator scapula, splenius cervicis and rectus capitis anterior
what is the distance from the posterior tubercle of the posterior arch to the skin in each gender
males: about fifty mm
females: about thirty-seven mm
what attaches to the posterior tubercle of the posterior arch of C1
rectus capitis posterior minor muscle and ligamentum nuchae
with regard to ossification of the posterior atlanto-occipital ligament, what is the gender bias, bone classification, amount ossification and general percent in the population
male, accessory bone, complete ponticulus posticus, fifteen percent
female, accessory bone, partial ponticulus posticus, twenty-six percent
what muscles attach to the transverse process of C1
rectus capitis anterior, rectus capitis lateralis, middle scalene, levator scapula, splenius cervicis, obliquus capitis superior, obliquus capitis inferior and intertransversarii muscles
what is the gender variation for measurements of the transverse diameter of C1
males: 78 mm
females: 72 mm
what is the distance from the posterior tubercle of the transverse process of C1 to the skin for each gender
a little over 30 mm for both males and females
what joint classifications are observed at C1
amphiarthrosis syndesmosis, diarthrosis ellipsoidal trochoid, diarthrosis arthrodia
what names are given to C2
axis or epistropheus
what is the name given to the odontoid process when the facet for the fovea dentis lies below the groove for the transverse atlantal ligament and the attachment sites for the apical-dental and alar ligaments appear to be directed anterior
kyphotic dens
what joint classifications are present at the vertebral body of C2
amphiarthrosis syndesmosis, diarthrosis trochoid, modified diarthrosis sellar and amphiarthrosis symphysis
what ligament forms the anterior boundary for the spinal canal above C2
membrana tectoria
what attaches to the lamina of C2
obliquus capitis inferior muscle, posterior atlanto-axial ligament, ligamentum flavum
what is the facet orientation of the superior articular facet of C2
backward, upward, and lateral (BUL)
what is the gender variation for the transverse diameter of C2
males: fifty-seven mm
females: about fifty mm
what name is given only to C7
vertebra prominens
what is the segment and gender bias for vertebrae other than C7 becoming the vertebral prominence
C6 is more common in females and T1 is more common in males
how many joint surfaces are present at the vertebral body of C7
eight
what muscles attach to the transverse process of C7
middle scalene, iliocostalis thoracis, longissimus cervicis, semispinalis capitis, rotators, intertransversarii and levator costarum brevis
what is the orientation of the inferior articular face of C7
forward, medial, downward (ForMeD)
what muscles attach to the spinous process of C7
trapezius, rhomboid minor, serratus posterior superior, splenius capitis, spinalis capitis, spinalis cervicis, semispinalis thoracis, multifidis, rotators and interspinalis
the vertebral artery on which side is typically larger
left vertebral artery
what is the gender bias regarding size of the vertebral artery
men have larger vertebral arteries than women
what is the name of the physical exam used to determine vertebral artery patency
vertebrobasilar artery insufficiency test
which side artery is tested during the course of the vertebrobasilar artery insufficiency exam
the ipsilateral artery on the side of rotation
at what location will the vertebral artery form its first compensatory loop
atlanto-axial interspace
at what location will the vertebral artery from its second compensatory loop
atlanto-occipital interspace
at what segments will the vertebral artery be firmly attached to the transverse foramen
both C1 and C2
what is the purpose of the vertebral artery loops between C2, C1, and occiput
the increased length will accommodate the greater rotation at these locations
what happens to the vertebral artery after it enters the subarachnoid space at C1
the vertebral artery ascends along the medulla oblongata to the pontine- medullary junction where the right and left arteries unite to form the basilar artery
what artery is formed by the union of the right and left vertebral arteries
basilar artery
what forms the boundaries for the exit of the C1 nerve from the spinal canal
occipital condyle, superior articular process of C1, capsular ligament, arcuate rim, groove for the vertebral artery, posterior atlanto-occipital ligament
what forms the boundaries for the exit of the C2 nerve from the spinal canal
inferior articular process of C1, superior articular process of C2, capsular ligament, inferior vertebral notch of C1, superior vertebral notch of C2, posterior arch of C1, lamina of C2, posterior atlanto-axial ligament
what forms the anterior boundary for the C3-C7 nerve exit from the spinal canal
the vertebral bodies, intervertebral disc, posterior longitudinal ligament, uncinate process, lateral groove
what features will allow discrimination between T2-T4 and T5-T8 segmental groups
the vertebral body, transverse process, articular process and spinous process
what is the aortic impression
flattening of the superior and inferior epiphyseal rims of the left side of the vertebral body of T5-T8 which give the vertebral body a less scalloped or less indented appearance on that side
what is the principal cause of the posterior curve of the thoracic spine
the vertebral body height difference
what joint classifications are identified at the vertebral body of a typical thoracic
amphiarthrosis syndesmosis, amphiarthrosis symphysis and diarthrosis arthrodia
how many synovial joints are formed at the vertebral body of a typical thoracic
four
how many symphysis joints are formed with the vertebral body of a typical thoracic
two
how many syndesmosis joints are formed at the vertebral body of a typical thoracic
typically four are identified; as many as eight if the rib articulation is included
how many joints are formed at the vertebral body of a typical thoracic
typically ten; fourteen if the rib ligaments are included
what is the name given to the joint formed between the vertebral body and rib
costocentral joint
what does the intra-articular or interarticular ligament connect to
the interarticular or intra-articular crest of the capitulum of the rib and the intervertebral disc
what feature will provide assistance in maintaining the stability of the intervertebral foramen in the typical thoracics
costocentral joint or ribs
which x-ray view is used to see into the intervertebral foramen of a typical thoracic
lateral view