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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