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The Trunk
structure/functions of the trunk
| Answer | |
|---|---|
| 3 components of the trunk | spine/vertebral column, the thorax (ribs and sternum), and the pelvis |
| Types of vertebrae and how many of each | cervical (7), thoracic (12), lumbar (5), sacral (5 fused), and coccygeal (3-4 fused) |
| scoliosis | atypical lateral symmetry of the spinous process when the spinous processes are not straight |
| cervical curve is __________ posteriorly | concave |
| thoracic curve is ____________ anteriorly | concave |
| lumbar curve is ________________ posteriorly | concave |
| sacral curve is _______________ anteriorly | concave |
| kyphosis | exaggerated thoracic curve |
| lordosis | exaggerated lumbar curve |
| pedicules attach the ____________ to the _______________ | vertebral arch, vertebral body |
| the vertebrae articulate in 2 joints ______________ and _____________ | joints between the 2 V bodies, the facet joints on the transverse processes |
| the two components of the vertebral discs are _______________ and __________________ | annulus fibrosis and nucleus pulposus |
| the superior and inferior articular processes form what type of joint? | synovial, called facet joints |
| which part of the spine is most mobile? | cervical |
| vertical projection on the axis is called the .... | Odontoid process or Dens. Held in place by the transverse ligament! |
| Atlanto-Occipital joint (AO) articulates..... with ....... | atlas and occipital bone of skull |
| Atlanto-Axial joint (AA) articulates ...... with ........ | atlas and axis, allows rotation because of odontoid process/dens |
| which movements occur at the cervical spine? | flex, ext, rotation, and facilitates sidebending |
| what artery passes through the transverse foramen? | the vertebral artery |
| the thoracic spine articulates with | ribs and shoulder girdle |
| the spinous process in thoracic vertebrae project ______________ | inferiorly, overlapping vert below |
| facet joints in the thoracic vertebrae and oriented ______________ | frontal plane |
| where does the rib articulate at the thoracic vertebrae? | the rib articulates with the superior facet of the vertebrae above and the inferior vertebrae of another. EX: the 6th rib articulates with the inferior costal facet of the 5th vertebrae and the superior costal facet of the 6th vertebrae |
| costotransverse articulation | where the tip of the transverse process articulates with the costal tubercle of the rib |
| lumbar facets are oriented in what plane? | saggital/midsaggital |
| orientation of the upper/lower facets in thoracic vertebrae? | superior faces medially and inferior faces laterally |
| SI joint is where the ________ articulates with the _____________ | sacrum/ilia |
| bones of the thorax consist of what? (3) | thoracic vert, ribs, and the sternum |
| Vertebralcostal/True ribs? #______ Vertebrochondal/False ribs? #_______ | ribs 1-7 are true, and 8-10 are false |
| how many floating ribs? | 2, 11 and 12 |
| name the structures of the rib. (7) | head, neck, tubercle, angle, shaft, costal groove, sternal end |
| fused bones of the sternum? | manubrium, body, and xiphoid process |
| sternal angle | where the manubrium meets the body |
Created by:
katewallace04
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