Podcast
Questions and Answers
What type of joints are formed between the articular processes of L5 and S1 vertebrae?
What type of joints are formed between the articular processes of L5 and S1 vertebrae?
- Zygapophysial joints (correct)
- Ligamentous joints
- Cartilaginous joints
- Synovial joints
What is the function of the facets of S1 and the inferior facet of the articular processes of L5 vertebrae?
What is the function of the facets of S1 and the inferior facet of the articular processes of L5 vertebrae?
- To resist excessive motion and prevent dislocation of the lumbar vertebra (correct)
- To increase the range of motion in the lumbar spine
- To increase the flexibility of the lumbosacral joint
- To reduce the weight on the lumbosacral joint
What type of movements occur in the lumbosacral joint?
What type of movements occur in the lumbosacral joint?
- Extension, abduction, and circumduction
- Flexion, extension, and lateral flexion (correct)
- Rotation, abduction, and adduction
- Flexion, extension, and rotation
What is the term for the angle formed by the first sacral segment and the horizontal?
What is the term for the angle formed by the first sacral segment and the horizontal?
What is the effect of an increase in the lumbosacral angle?
What is the effect of an increase in the lumbosacral angle?
What is the term for the joint formed by the fifth lumbar vertebra and the first sacral segment?
What is the term for the joint formed by the fifth lumbar vertebra and the first sacral segment?
What is the effect of an increase in the lumbosacral angle on the amount of shearing stress at the lumbosacral joint?
What is the effect of an increase in the lumbosacral angle on the amount of shearing stress at the lumbosacral joint?
What determines the size of the lumbosacral angle?
What determines the size of the lumbosacral angle?
What is the meaning of the 'neck' in the radiographic picture of the dog?
What is the meaning of the 'neck' in the radiographic picture of the dog?
Which ligament prevents the anterior slide of the L5 on the S1?
Which ligament prevents the anterior slide of the L5 on the S1?
What is the attachment point of the iliolumbar ligament on the iliac crest?
What is the attachment point of the iliolumbar ligament on the iliac crest?
Which of the following ligaments is NOT associated with the lumbar region?
Which of the following ligaments is NOT associated with the lumbar region?
What is the significance of the 'collar' on the radiographic picture of the dog?
What is the significance of the 'collar' on the radiographic picture of the dog?
What is the origin of the sacral band of the iliolumbar ligament?
What is the origin of the sacral band of the iliolumbar ligament?
What is the relationship between the iliolumbar ligament and the thoracolumbar fascia?
What is the relationship between the iliolumbar ligament and the thoracolumbar fascia?
What corresponds to the muzzle in the radiographic picture of the dog?
What corresponds to the muzzle in the radiographic picture of the dog?
What is the main reason for the unique shape and size of the lumbar vertebrae?
What is the main reason for the unique shape and size of the lumbar vertebrae?
What is the orientation of the superior articular facets in the upper lumbar region?
What is the orientation of the superior articular facets in the upper lumbar region?
What is the function of the mamillary processes?
What is the function of the mamillary processes?
What is the shape of the inferior articular facets?
What is the shape of the inferior articular facets?
What is the direction of the pedicles in the lumbar vertebrae?
What is the direction of the pedicles in the lumbar vertebrae?
What is the shape of the laminae in the lumbar vertebrae?
What is the shape of the laminae in the lumbar vertebrae?
What is the function of the laminae and pedicles?
What is the function of the laminae and pedicles?
What is the shape of the transverse process in the lumbar vertebrae?
What is the shape of the transverse process in the lumbar vertebrae?
What is the lumbosacral joint known for in the lumbar spine?
What is the lumbosacral joint known for in the lumbar spine?
How many forces can the weight (P) be resolved into?
How many forces can the weight (P) be resolved into?
What is the part of the vertebral arch where the forces are transmitted through?
What is the part of the vertebral arch where the forces are transmitted through?
What is the condition known as when the isthmus is fractured?
What is the condition known as when the isthmus is fractured?
What happens to the body of L5 when the arch is fractured?
What happens to the body of L5 when the arch is fractured?
What structures retain L5 on the sacrum and prevent further slippage?
What structures retain L5 on the sacrum and prevent further slippage?
What is the cause of pain associated with spondylolisthesis?
What is the cause of pain associated with spondylolisthesis?
What is stretched when the body of L5 glides inferiorly and anteriorly?
What is stretched when the body of L5 glides inferiorly and anteriorly?
From which vertebral level does the lateral lumbosacral ligament arise?
From which vertebral level does the lateral lumbosacral ligament arise?
What is the relationship between the lateral lumbosacral ligament and the iliolumbar ligament?
What is the relationship between the lateral lumbosacral ligament and the iliolumbar ligament?
Where does the posterior layer of the thoracolumbar fascia attach?
Where does the posterior layer of the thoracolumbar fascia attach?
What is the deepest connection of the posterior layer of the thoracolumbar fascia?
What is the deepest connection of the posterior layer of the thoracolumbar fascia?
Where do the internal abdominal oblique and transversus abdominal muscles arise from?
Where do the internal abdominal oblique and transversus abdominal muscles arise from?
What is the direction of travel of the posterior layer of the thoracolumbar fascia?
What is the direction of travel of the posterior layer of the thoracolumbar fascia?
What is the texture of the posterior layer of the thoracolumbar fascia?
What is the texture of the posterior layer of the thoracolumbar fascia?
What is the relationship between the lateral lumbosacral ligament and the anterior sacroiliac ligament?
What is the relationship between the lateral lumbosacral ligament and the anterior sacroiliac ligament?
What muscles does the posterior layer of the thoracolumbar fascia cover?
What muscles does the posterior layer of the thoracolumbar fascia cover?
What is the final attachment point of the posterior layer of the thoracolumbar fascia?
What is the final attachment point of the posterior layer of the thoracolumbar fascia?
