The Back Flashcards
Approximately how many vertebrae?
33
How many cervical vertebrae?
7
How many thoracic vertebrae?
12
How many lumbar vertebrae?
5
How many sacral vertebrae?
5 fused
How many coccygeal vertebrae?
4 fused
Name the 5 types of vertebrae
Cervical Thoracic Lumbar Sacral (fused) Coccygeal (fused)
Movement of thoracic vertebrae
Lots of flexion and extension. Little rotation.
Movment of lumbar
Largest weight bearing. Lots of rotation. Little flexion and extension.
Intervertebral Disc 2 parts.
25% total length. Annulus fibrosus–fibrocartilage (sponge) Nucleus pulposus–fluid. may herniate, Swells during periods of recumbency.
Central Nervous System
Brain/Encephalon Spinal cord. Neurons and Axons all along spinal cord.
Three parts of the meninges.
Pia mater Arachnoid mater Dura mater.
Identify the Venusian Dimples
Identify the C7
Posterior Median Furrow
Posterior Median Furrow
Vertebra Process
(Spinous process of
C7 vertebra)
Vertebral Body
Vertebral Foramen
Vertebral arch
Identify these features
L-R Pedicle
Spinous Process
Lamina
Transverse Process
Body
Annulus fibrosus
Nucleus pulposus
Central Nervous System
Peripheral Nervous System
