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15 Cards in this Set
- Front
- Back
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The thoracic vertebrae have a kyphotic orientation, what does this mean?
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They are wedge-shaped
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Where do the facets face in the thoracic spine?
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More vertical, in the frontal plane
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What features are unique in the thoracic spine?
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Kyphotic orientation
More vertical facets Longest curve (12 segments) Thinnest disc Narrow canal-T4 to T8 |
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What is the ROM in the thoracic spine?
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35 deg flexion
20 deg extension 30 deg rotation (on each side) 25 deg SB (on each side) |
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What anatomic feature limits side-bending in the thoracic spine?
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The ribs
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The facet orientation in the thoracic spine encourages what motion?
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Rotation
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How does motion change through the course of the thoracic spine?
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More rotation in upper segments, some side-bending in lower segments
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What ligaments are associated with the costovertebral joint?
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The joint capsule and radiate ligaments
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What ligaments are associated with the costotransverse joint? Where are they absent?
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Costotransverse ligaments, absent at ribs 11 and 12
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Are problems relating to the disc common in the thoracic spine?
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No
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The thoracic spine is often involved in what dysfunction and why?
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Postural dysfunction, because it's the longest segment
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Normal kyphosis is how many degrees?
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40
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Excessive kyphosis can be caused by what?
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Scheuermann disease (adolescent kyphosis) and osteoporosis
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Scoliosis is named for what side?
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The convex side
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Scoliosis in the thoracic spine is named for what side?
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The convex side
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