What does the back consist of?
What are the types of vertebrae and the number of each?
How many curvatures are there?
4
This type of curvature…
Kyphosis
This type of curvature…
Lordosis
Describe C1/C2 vertebrae
Atypical
Describe typical C3-6
-Small vertebral body
-Bifid spinous process
-Transverse foramen
Unicinate process
- C7–> vertebral prominens
Other characteristics of cervical vertebrae…
- Permit much movement
What is the relative thickness of intervertebral disks of cervical vertebrae?
Relatively thick
Characteristics of the atlas
What joint is responsible for the “yes” movement?
Atlantooccipital joints
Characteristics of the axis
- “No” movement
What joint is responsible for the “No” movement?
Atlantoaxial joint
Characteristics of thoracic vertebrae
What are the costal facets?
What are the vertical articular facets?
Characteristics of lumbar vertebrae
Characteristics of the sacrum
What are the 2 types of foramina on the sacrum?
Anterior and Posterior
What type of joint are the intervertebral joints?
Secondary cartilaginous joints
—> Symphyses
What type of joint are the vertebral arches?
Synovial “facet” joints
—> Zygapophyseial joints
What is the outer portion of the intervertebral disc called?
Annulus fibrosis
narrow posterior
What is the inner portion of the intervertebral disc called?
Nucleus pulposus
Characteristics of nucleus pulposus (2)
Eccentric location
High water content