Podcast
Questions and Answers
What direction does the upper vertebra tilt and glide slightly during flexion?
What direction does the upper vertebra tilt and glide slightly during flexion?
- Side to side
- Circularly
- Backward
- Forward (correct)
What happens to the nucleus pulposus during flexion?
What happens to the nucleus pulposus during flexion?
- It disappears
- It remains in the same position
- It is driven anteriorly
- It is driven posteriorly (correct)
What happens to the intervertebral foramina during flexion?
What happens to the intervertebral foramina during flexion?
- They disappear
- They become smaller
- They remain the same
- They increase in size (correct)
What is the result of flexion on the load of the spine?
What is the result of flexion on the load of the spine?
What is the role of the apophyseal joints in resisting shear force in the lumbar spine?
What is the role of the apophyseal joints in resisting shear force in the lumbar spine?
What happens to the annulus fibrosus during flexion?
What happens to the annulus fibrosus during flexion?
What limits flexion?
What limits flexion?
What is the cumulative effect of the small ranges of movement at each level of the spine?
What is the cumulative effect of the small ranges of movement at each level of the spine?
What happens to the posterior longitudinal ligament during extension of the upper vertebra?
What happens to the posterior longitudinal ligament during extension of the upper vertebra?
What is the result of the disc becoming flatter posteriorly and thicker anteriorly during extension?
What is the result of the disc becoming flatter posteriorly and thicker anteriorly during extension?
What happens to the size of the intervertebral foramina during extension?
What happens to the size of the intervertebral foramina during extension?
What is the role of the apophyseal joints during extension?
What is the role of the apophyseal joints during extension?
What happens to the articular processes of the upper and lower vertebrae during extension?
What happens to the articular processes of the upper and lower vertebrae during extension?
What is the limiting factor of extension in the vertebral column?
What is the limiting factor of extension in the vertebral column?
What happens to the disc during lateral flexion of the upper vertebra?
What happens to the disc during lateral flexion of the upper vertebra?
What happens to the contralateral intertransverse ligament during lateral flexion?
What happens to the contralateral intertransverse ligament during lateral flexion?
What determines the direction of rotation that accompanies lateral flexion?
What determines the direction of rotation that accompanies lateral flexion?
What is the greatest risk of injury to the spine?
What is the greatest risk of injury to the spine?
Which ligament limits flexion in the cervical region?
Which ligament limits flexion in the cervical region?
What limits lateral flexion in the lumbar region?
What limits lateral flexion in the lumbar region?
Which ligament limits axial rotation in the craniocervical region?
Which ligament limits axial rotation in the craniocervical region?
What are the structures that limit extension in the cervical region?
What are the structures that limit extension in the cervical region?
What is the function of the posterior annulus fibrosus?
What is the function of the posterior annulus fibrosus?
What is the function of the contralateral annulus fibrosus?
What is the function of the contralateral annulus fibrosus?
