Exam 3 Flashcards
What makes lumbar vertebrae so important?
They’re the weight bearing vertebrae
How many lumbar vertebrae do we typically have?
5
What are the typical lumbar vertebrae?
L1-L4
What are the atypical lumbar vertebrae?
L5
_____% of the population have lumbar complaints at some point in their lives?
80%
What are the most common sources of low back pain?
lumbar zygapophysial joints (facets) and intervertebral discs
low back pain is specific to humans because humans are _______.
bipedal
describe the lumbar vertebral body?
large, transversely broad; reniform shaped
Aging has what effect on the vertebral body?
Decreases vertebral body height
increases circumference
Vertebral body and IVD height is greater __________.
anteriorly
What causes the lordotic curve?
IVD height difference-greater anteriorly
lumbar lordosis is created by what?
Increased height of L4 + L5 vertebral bodies and ALL lumbar IVD’s
*mainly IVD height though
Psoas major attaches to what lumbar vertebrae?
L1-L4
Psoas minor attaches to what lumbar vertebrae?
L1
What ligaments attach at the lumbar vertebral bodies?
Anterior longitudinal lig (ALL)
Posterior longitudinal lig (PLL)
Transforaminal ligaments
corporotransverse ligaments
Hofmann ligaments
Name the transforaminal ligaments?
Superior transforaminal
Middle transforaminal
inferior transforaminal
The transforaminal ligament attach ________ to ________.
Vertebral bodies to articular processes
Which transforaminal ligament attaches vertebral body to inferior articular process of same vertebra?
Superior transforaminal lig
What does the middle transforaminal ligament attach?
IVD to inferior articular process of same vertebra.
Which transforaminal ligament attaches vertebral body to superior articular process of same vertebra?
Inferior transforaminal lig
Corporotransverse ligaments attach _______ to ________.
vertebral body and IVD to transverse process
The superior coporotransverse ligament attaches _______ to ________.
vertebral body and IVD to transverse process of vertebrae below
Which corporotransverse ligament attaches the vertebral body and IVD to the transverse process of the vertebra above?
Inferior corporotransverse process
What vertebrae does not have corporotransverse ligaments?
L5
T or F: The lumbar pedicles have an anterior orientation?
False; posterior
Is the superior vertebral notch of a lumbar vertebrae deep or slight?
slight
Is the inferior vertebral notch of a lumbar vertebrae slight or deep?
deep
