Verterbral Column Flashcards
Cervical has how many vertebrae?
7
Thoracic region has how many vertebrae?
12
Lumbar region has how many vertebrae?
5
Sacral region has how many vertebrae?
5
Coccygeal has how many vertebrae?
3-4
What landmark is c7?
Cervicothoracic junction
What landmark is T3?
Scapular spine
What landmark is T7
Inferior scapular angle
What landmark is T12
12th rib
What landmark is L4?
Iliac crest
What arteries are in the cervical region?
Vertebral and cervical arteries
What arteries are i the thoracic region?
Posterior intercostal arteries
What arteries are in the lumbar region?
Subcostal and lumbar arteries
What arteries are in the sacral region?
Iliolumbar arteries, medial and lateral sacral arteries
What is the exaggeration of primary curvature
Kyphosis
What is the exaggeration of secondary curvature
Lordosis
What are the 2 examples for primary curvature
Thoracic and sacral
What are the 2 examples for secondary curvature
Cervical and lumbar
Primary curves: convex or concave
Convex
Secondary curves: convex or concave
Concave
Centrum describes what structure of the vertebra
Body
Pedicles describe what structure of the vertebra
Attach arch to body
Laminae describes what structure of the vertebra
Roof of vertebral canal
Lever-like processes describe what structure of the vertebra
Spinous and transverse processes
Superior, inferior, zygapophses describe what facets
The articular facets
Facets on transverse processes and the demifacets and facets on bodies describe what facets on the vertebra
The costal facets
What structure is for the vertebral arteries?
Transverse foraminae
The atlas is which vertebra?
C1
The axis is which vertebra?
C2
Thoracic vertebra has ribs fused to it. What are the ribs called?
Bicipital ribs
What are the numbers for the atypical thoracic vertebrae
1,10,11, and 12
Why are lumbar vertebra thick?
Only 5 and they support the erect spine
What is the origin for multifidi
Mamillary processes
The mamillary processes is part of which vertebral region?
Lumbar
Are the sacrum vertebrae fused?
Yes
The wing like processes of each vertebra of the sacrum contain what 2 distinctions
Alae and for attachment to ilium
Lip of body of first sacral vertebra is called
Sacral promontory
Fused spinous processes describes median/intermediate/lateral crest?
Median crest
Fused articular (zygopophyseal) processes describes median/intermediate/lateral crest?
Intermediate crest
Fused transverse processes describe the median/intermediate/lateral crest?
Lateral crest
Flexion and extension occur primarily in which region?
Lumbar
Rotation of upper trunk occurs in which region?
Thoracic region
A thin disc (symphysis) in thoracic region reduces flexibility? T or F
True
Synovial joints are sacroiliac true or false?
True
Anterior longitudinal ligaments limit extension/flexion
Limits extension
Anterior longitudinal reinforces anterior or posterior annulus fibers?
Anterior annulus fibers
Posterior longitudinal ligaments limits extension or flexion?
Flexion
Posterior longitudinal reinforces anterior/posterior annulus fibers?
Posterior annulus fibers
Ligamentum nuchae aka
Supra-spinous
Inter-spinous limits extension? T/F?
F. Limits flexion
Ligamentum flavum limits extension? T/f?
F. Limits flexion
Ligamentum flavum extends from lamina to lamina? T/F?
T