1/5/2016 Spinal Questions Flashcards
What is the orientation of the inferior articular facets of T11?
They face forward, downward, and medial (ForMeD)
Which muscles(s) attaching to the T11 spinous process would be representative of layer four?
Iliocostalis Lumborum, Spinalis Thoracis
What joint classifications are present at T11?
Fibrous (Amphiarthrosis) Syndesmosis, cartilaginous (Amphiarthrosis) symphysis and synovial plane (diarthrosis arthrodia)
What is another way of naming a posterior curve pattern?
A kyphotic curve
What joint classifications are identified at the vertebral body of T12?
Fibrous (Amphiarthrosis) Syndesmosis, cartilaginous (Amphiarthrosis) symphysis and synovial plane (diarthrosis arthrodia)
Which costotransverse ligament(s) lack an attachment to T12?
Capsular costotransverse, superior costotransverse, inferior costotransverse and lateral costotransverse ligaments
Which rib-associated muscle is absent at the transverse process region T12?
Levator Costarum
Identify the synovial joint surfaces typically present of T12.
Two superior costal facets, two superior articular facets, two inferior articular facets
Which erector spinae muscle is unique in its attachment to the T12 spinous process?
Iliocostalis Lumborum
Which thoracic vertebrae lack any Spinalis muscle group attachment on their spinous process?
T9-T10
Which thoracic vertebrae lack any Spinalis muscle group attachment for the Semispinalis?
T6
Which segments of the spine are more prone to variation in morphology?
L1 and L5
What is the number of vertebrae in the normal adult lumbar spine?
Five segments
What parts of the vertebra may be used to distinguish L1-L4 from L5?
Vertebral body, pedicle, articular process, transverse process, spinous process
What is the generic shape of the typical lumbar vertebral body from the cranial view?
Reniform or Kidney-shaped
What would be the direction of the lumbar curve based on osseous features?
Anterior (lordotic)
What accounts for the direction of the lumbar curve?
The vertebral body and intervertebral disc have a greater anterior height than posterior height
What is the effect of aging on the vertebral body of a lumbar vertebra?
Decrease in height, increase in circumference
How many fibrous (Amphiarthrosis) Syndesmosis joint surfaces are on a typical lumbar vertebral body?
Four
How many joint surfaces are present on the vertebral body of a typical lumbar?
Six
What is the orientation of the superior articular facets of T11?
They face backward, upward, and lateral (BUL)
How many synovial joint surfaces are present on the vertebral body of a typical lumbar?
None
How many cartilaginous (Amphiarthrosis) symphysis joint surfaces are on a typical lumbar vertebral body?
Two
How many fibrous (Amphiarthrosis) Syndesmosis joint surfaces are on a typical lumbar?
Four
What muscles may attach to the first lumbar vertebral body?
Psoas major and Psoas minor
What muscle(s) may attach from the second down to the fourth lumbar vertebral body?
Psoas major
Psoas minor will only attach to the vertebral body of which segments?
T12, L1
What is the name given to ligaments that attach the vertebral body to articular process?
Transforaminal foramen
What ligaments attach the vertebral body to the transverse process?
Corporotransverse ligaments
What corporotransverse ligaments are identified?
Superior corporotransverse and inferior corporotransverse
