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T-spine
T-spine comp
Question | Answer |
---|---|
What is the term for the inner part of an intervertebral disk? | nucleus pulposus |
What is the term for the outer part of an intervertebral disk? | annulus fibrosus |
What is a “slipped disk”? | when the nucleus pulposus protrudes into the spinal canal, pressing on a nerve. |
what causes Spina bifida? | the lamina fail to fuze which may cause the spinal cord to protrude from the back |
what points on each vertebrae articulate with those below and above? | the facets of the superior and inferior articular processes |
what is the name for the joint where a vertebrae articulates with the one above or below? | zygapophyseal or interarticular facet joints |
which thoracic vertebrae have whole facets? | T1( superior border), T10-T12 (superior border) |
how do the spinous processes of T5-T9 lie? | they sit at the level of the interspace for the vertebra below |
how are the zygapophyseal joints of the T-spine situated? | they open and angle anteriorly 15-20 degrees from the MCP, creating angle of 70-75 degrees to the MSP |
what degree of patient rotation is necessary to open the zygapophyseal joint spaces? | 70-75 degrees |
how do the intervertebral foramina lie in the T-spine? | true lateral – perpendicular toe the MSP |
Name the 4 curves of the spine | cervical, thoracic, lumbar and pelvic |
Which curves are convex anteriorly? | cervical and lumbar |
Name the lordotic curves of the spine | cervical and lumbar |
Which curves are concave anteriorly? | thoracic and pelvic |
Name the kyphotic curves of the spine | thoracic and pelvic |
What are primary curves of the spine? | thoracic and pelvic curves are present at birth |
Functions of the vertebral column | protect the spinal cord, support the trunk, support the skull and muscle attachment. |
Intervertebral joint types | cartilaginous symphysis |
Zygapophyseal joint types | synovial gliding |
Costovertebral joint types | synovial gliding |
Costotransverse joint types | synovial gliding |