Exam 2 Typical Lumbar Spine L1-L4 Flashcards
What accounts for the direction of the lumbar curve
The vertebral body and the intervertebral disc have a greater anterior height then posterior height
How many synovial joint surfaces are present on the vertebral body of a typical lumbar
None
How many joint surfaces are present on the vertebral body of a typical lumbar
6
How many cartilaginous amphiarthrosis symphysis joint surfaces are on a typical lumbar vertebral body
2
How many fibrous amphiarthrosis syndesmosis joint surfaces are on a typical lumbar vertebral body
4
What muscles may attach to the first lumbar vertebral body
Psoas major and psoas minor
What muscles may attach from the second down to the fourth lumbar vertebral body
Psoas major
Psoas minor will only attached to the vertebral body of which segments
T12, L1
What is the name given to the ligaments that attach the vertebral body to the articular process
Transforaminal ligaments
What ligaments attached the vertebral body to the transverse process
Corporotransverse ligaments
Cervical upper thoracic Hoffman ligaments will attach what structures together
Dura matter to segment above
What is the generic shape of the typical lumbar vertebral body from the cranial view
Reniform or kidney shaped
Hoffman ligaments are identified in which regions along the vertebral column
Cervical upper thoracic region and lumbar region
What is the highest level known to demonstrate Hoffman ligaments
C6
What is the proposed function of the cervical upper thoracic Hoffman ligaments
Resist caudle movement of the dural sac
resist gravitational forces of the Dura and cord
Lumbar Hoffman ligaments will attach what structures together
Dura matter to lower segmental levels
What is the proposed function of the proximal root sleeve ligament
Resist displacement of the peripheral nervous system in the intervertebral foramen
What osseous conditions of the lumbar vertebral facilitate a spinal tap in this region
Overlap of the lamina shingling diminishes overlap of the spinous processes imbrication diminishes
What is the name of the elevation near the origin of the lumbar transverse process
Accessory process
A styloid process occurs with what frequency and as a result of what condition
7% occurrence as a result of congenital elongation of the lumbar accessory process
What ligaments will attach to the lumbar accessory process
Mammilo accessory ligament
What parts of the vertebra are attached via the mamillo accessory ligament
The mamillary process and the accessory process of the same segment
What was believed to be in trapped by the mamillo accessory ligament
The medial branch of the dorsal Ramus of the lumbar spinal nerve
What muscles attached to the lumbar accessory process
Longissimus thoracis and intertransversarii
What muscles me attach to the transverse process of a typical lumbar vertebra
Psoas major Quadratus lumborum Longissimus thoracis Rotator brevis, longus Intertransversarii
What ligaments attached to the transverse process of a typical lumbar vertebra
Lumbocostal
Mamillo accessory
Intertransverse
What is the orientation of a typical lumbar superior articular facet
Backward upward medial typically concave
What is the orientation of a typical lumbar inferior articular facet
Forward lateral downward significantly convex
What muscles will attach to the mammillary process
Multifidus
Intertransversarii
What ligament will attach to the lumbar superior articular process and transverse process
Mamillo accessory ligament
What was believed to be entrapped by the mamillo accessory ligament
The medial branch of the dorsal ramus of a lumbar spinal nerve
What additional ligaments are said to attach to the lumbar articular processes
Transforaminal ligaments
What is the joint classification for the typical lumbar zygapophysis
Synovial plane diarthrosis arthrodia
How many synovial joints are present on a typical lumbar vertebra
4
What is the position of a lumbar zygapophysis in children
The zygapophyses lies in the coronal plane
What is the position of the lumbar zygapophysis in adults
They apophysis lies in the sagittal plane for L1/L2 L2/L3 L3/L4 does a apophysis lies in the coronal plane for L4/L5 L5/S1
What name is given to the zygapophyses between vertebral couples that lie in the same plane
Joint symmetry
What names are given to the condition in which one zygapophysis of the vertebral couple lies in the coronal plane or position and the other zygapophysis lies in the sagittal plane or position
Joint asymmetry or joint tropism
What is the name of the condition in which the typical lumbar spinous processes increases in length due to the aging process
Baastrups syndrome or kissing spines
What muscles will attach the typical lumbar spinous process
Latissimus dorsi serratus posterior inferior iliocostalis lumborum longissimus thoracis Spinalis thoracis Multifidus Rotator brevis, Longus Interspinalis
