Term
| the spinotranversales group is made up of what muscles? |
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Definition
| splenius capitis and splenius cervicus |
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Term
- originates in the spinous process of CV1, upper TV, and ligamentum nuchae
- inserts in the superior nuchal line of occipital bone and the mastoid process of the temporal bone
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Definition
|
|
Term
- originates in the spinous process of the middle TV
- inserts in the transverse process of the upper CV
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|
Definition
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Term
| what are the actions of the spinotransversales group? |
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Definition
| extends the vertebral column (bilaterally) & laterally flexes and rotates the vertbral column on the ipsilateral side (unilaterally) |
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Term
| what is the innervation of the spinotransversales group? |
|
Definition
| dorsal primary rami of middle and lower cervical spinal nerves |
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Term
| what are the muscles of the erector spinae group? |
|
Definition
| iliocostalis, longissimus, spinalis |
|
|
Term
| what are the actions of the erector spinae muscles? |
|
Definition
| extend vertebral column (bilaterally) & laterally flex vertbreal column (unilaterally) |
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Term
| what are the muscles of the transversospinales group? |
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Definition
| semispinalis capitis, semispinalis cervicus, multifudus, rotatores |
|
|
Term
| what are the actions of the transversospinales group? |
|
Definition
| extend vertebral column (bilaterally) & laterally flex and rotate vertebral column on contralateral side (unilaterally) |
|
|
Term
- originates in the transverse process of lower CV and upper TV
- inserts in the occipital bone
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|
Definition
|
|
Term
- originates in the transverse processes of upper TV
- inserts in the spinous process of CV (up to CV2)
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Definition
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Term
| the multifidus is best developed in which region? |
|
Definition
|
|
Term
| the rotatores is best developed in which region? |
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Definition
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Term
| what muscles create the borders of the suboccipital triangle? |
|
Definition
| obliquus capitis superior, obliquus capitis inferior, rectus capitus posterior major |
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Term
| what are the actions of the muscles in the suboccipital triangle? |
|
Definition
| extend head (bilaterally) and rotate head to ipsilateral side (at alantoaxial joint) |
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Term
| what are the contents of the suboccipital triangle? |
|
Definition
| vertbral artery and suboccipital nerve |
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Term
| what are the major arteries of the spinal cord? and which is paired? |
|
Definition
| anterior spinal artery (unpaired) and posterior spinal artery (paired) |
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Term
| what are the major veins of the spinal cord? |
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Definition
| external and internal vertebral venous plexuses |
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Term
| what are the groups of spinal nerves and how many pairs are in each group? |
|
Definition
8 cervical
12 thoracic
5 lumbar
5 sacral
1 coccygeal |
|
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Term
| which spinal nerves run superiorly to their vertebrae? inferiorly? |
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Definition
| C1-C7 run superiorly, C8 runs in between CV7 and TV1, T1-Co1 run inferiorly |
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