Ch 14: Vertebral Column Flashcards
Regions of the vertebral column. Vertebrae per region.
Cervical: 7 Thoracic: 12 Lumbar: 5 Sacrum: 5 (Coccyx)
Five landscapes on the top side of a vertebrae
Superior costal facet Pedicle Superior articulate process Facet for costal tubercle Transverse process
Five landscapes on the bottom side of a vertebrae
Lamina Spinous process Inferior articular process Inferior articular notch Inferior costal facet
Joints of the vertebral column?
[Name x amount]
Intervertebral disk x1
Facet joints x2
Intervertebral disks:
Made of?
Joint classification?
Joint type?
Made of fibrocartilage.
Cartilaginous joint.
Symphysis joint.
Facet Joint:
Made of?
Joint classification?
Joint type?
Synovial fluid.
True synovial.
Planar joint.
Ligaments of the vertebral column
Anterior longitudinal Posterior longitudinal Ligamentum flavum Interspinal Supraspinous Intertranscerse
Movements of the vertebral column
Flexion
Extension
Lateral flexion
Rotation
Three groups of epaxial muscles?
Types of muscles in each group?
Superficial group
x2 spinotransversalis
x3 erector spinae
Deep group
x2 transversospinalis
Spinotranversalis muscles?
Splenius capitis
Splenius cervicis
Erector spinae muscles?
Iliocostalis
Longissimus
Spinalis
Transversospinalis muscles:
Semispinalis
Multifidus
Splenius Capitis origin
spinous processes of cervical vertebrae
Splenius Capitis insertion
occipital bone
Splenius Capitis action
One: -extend head -rotate head Both: -extend head
Splenius Cervicis origin
Spinous processes of cervical vertebrae
Splenius Cervicis insertion
transverse processes of cervical vertebrae
Splenius Cervicis action
One: -extend cervical vertebrae -rotate cervical vertebrae Both: -exend cervical vertebrae
Iliocostalis origin
ilium
Iliocostalis insertion
costals
transverse processes of cervical vertebrae
Iliocostalis action
aids
one side: lateral flexion
both sides: extension
Longissimus origin
sacrum
Longissimus insertion
every vertebral column to head
Longissimus action
extension
Spinalis origin
spinous processes, upper thoracic vertebrae
Spinalis insertion
spinous processes, lower thoracic vertebrae
Spinalis action
extension
Semispinalis origin
transverse processes upper thoracic vertebrae
Semispinalis insertion
- spinous processes of cervical vertebrae
- occipital bone
Multifidus origin
- transverse processes of entire vertebral column
- sacrum
Multifidus insertion
spinous processes of entire vertebral column
Multifidus action
stabilize
extend
Semispinalis action
stabilize
extension