The Spinal Column Flashcards
How many fused vertebrae are there
9
There are 12….. Vertebrae
Thoracic
How many lumbar vertebrae are there
5
Catligagenous joints make what possible
Movement between vertebral bodies
The intervertebral discs in the fibrocartilage are made out of what
Outer fibrous rim
Nucleus pulposus
What is a facet
A non axial joint that connects vertebrae
What are the 3 kinds of vertebrae
Cervical
Thoracic
Lumbar
What movements does the cervical vertebrae do
Flexion
Hyper extension
Lateral flexion
What kind of movements does the thoracic vertebrae do
Rotation
Lateral bending
What kind of movement does the lumbar vertebrae do
Permits Flexion and hyper extension
Name the 2 spinal articulations
Atlanto-occipital
Atlantoaxial
Describe the atlano-occipital articulation
Condyle of occipital bone articulate with articular fossa of atlas. Hinge joint
Describe the atlantoaxial articulation
Dens project upward and form axis which is held in place by transverse ligament. Pivot joint
Name the 4 movements of the spine
Flexion
Extension
Lateral flexion
Rotation
Name the 3 aspects of the spinal column
Anterior
Posterior
Lateral
Name the 2 regions and their muscles of the anterior aspect of the spinal column
Cervical region. Prevertebral muscles
- longus capitus and colli, rectus capitalis anterior and lateralus
Hyoid muscles supra hyoid, infra hyoid.
Thoracic region. Abdominal muscles
- obliquus externus, internus abdominus, rectus abdominus and transverse abdominus
Name the 2 regions and their muscles of the posterior aspect of the spinal column
Cervical region only.
- splenius capitus and cervicis
- suboccipitals
Cervical, thoracic and lumbar.
- erector spinae
- deep posterior muscles
- semispinalis thoracis, cervicis and capitus
Name the 2 regions and their muscles of the lateral aspect of the spinal column
Cervical region.
- scalenus ant. And post. And medius
- sternocleidomastroid
- levator scapulae
Lumbar region.
- quadratus lumborum
- psoas major
Name the 4 muscles the spinal column passes
Rectus abdominus
Erector spinae
Quadratus laborum
Psoas major and minor
How many articulating vertebrae are there
24
