L2 - MSK Back Osteology Flashcards

Basilar Skull
- Temporal Bone
- Occipital Bone

- Mandibular Fossa
- Styloid Process
- Stylomastoid Foramen
- Mastoid Process
- Mastoid Notch
- Mastoid Foramen
- Pharyngeal Tubercle
- Occipital Condyle
- Condylar Canal
- Inferior Nuchal Line
- External Occipital Crest
- Superior Nuchal Line
- External Occipital Protuberance


Temporal Bone

Occipital Bone

Spine:
- Cervical (7)
- Thoracic (12)
- Lumbar (5)
- Sacrum (5 fused)
- Coccyx (3-5 fused)

Typical Vertebra:
- Lamina
- Spinous Process
- Transverse Processes
- Articulating Processes
- Pedicle
- Vertebral Arch
- Vertebral Foramen
- Vertebral Body

- Vertebral Body
- Vertebral Arch
- Superior Articulating Processes
- Vertebral Notch
- Pedicle
- Inferior Articulating Processes
- Spinous Process
- Lamina
- Transverse Processes

Cervical Vertebrae (7)
Type?
Unique Features:

Type: Cervical Vertebrae
Unique Features:
- “Bifed” Spinous Process
- Large Triangular Vertebral Foramen
- Anterior and Posterior Tubercles on Transverse Processes
- Uncinate Processes
- Transverse Foramen
- Costotransverse Bar

Type:
Number:
Unique Features:

Cervical Vertebrae
C1 Atlas
- Superior Articulating Facet
- Groove for the Vertebral A.
- Posterior Tubercle
- Posterior Arch
- Transverse Foramen
- Transverse Process
- Anterior Arch
- Anterior Tubercle
- Tubercle for the Transverse L.
- Fovea for Dens
- Lateral Mass


Jefferson Fracture
C1 atlas
top of head force trauma like diving
Type?
Number?
- ?

Cervical
C2 Axis
- Dens
Name of Fracture:
Classification:
Type:
Treatment:

Name: Hangman’s Fracture
AKA: Traumatic spondylolisthesis of the axis
Levine and Edwards Classification
Type II
Treatment:
Cervical traction to improve the displacement and immobilization in halo vest
Classifications

Odontoid Fracture Classification
Type 1: Fracture of upper part. Rare and potentially unstable.
Type 2: Fracture at the base of odontoid. Unstable and high risk of non-union.
Type 3: Through the odontoid and into lateral masses of C2. Best prognosis for healing.
Spina Bifida Occulta
- mildest form
- incomplete formation of posterior arch of spinal column
- seen in LS spine. Typically S1
- fatty deposit, hemangioma or tuft of hair

Thoracic Vertebrae (12)
Type:
Features:

Thoracic Vertebrae
Unique Features:
- Small Round Vertebrae Foramen
- “Heart” Shaped Vertebral Body
- Well Pronounced Lamina
- Superior Costal Facet
- Inferior Costal Facet
- Transverse Costal Facet
- Strongly inferiorly directed Spinous Process

Joint Type

Costovertebral Joint
Type:

Typical Thoracic Vertebrae
Condition?

Cervical Spondylosis
Normal –> Spondylitic
*degenerative
- degeneration of intervertebral discs and spurs


- Normal
- Spondylolysis = fracture
- Spondylolisthesis = displaced


Typical Ribs (3-9)
- Costal Body
- Costal Tubercle
- Costal Neck
- Costal Head
- Superior Articular Facet
- Crest of the Head
- Inferior Articular Facet
- Articular Facet
- Costal Groove

Type:
Number:

Lumbar Vertebrae (5)
Type:
Features:

Lumbar Vertebrae
Unique Features:
- Long Slender Transverse Process
- Large Oval Shaped Vertebral Foramen
- Mammillary Process
- Accessory Process
- Large “Kidney” Shaped Vertebral Body
- Short Sturdy “Hatchet” shaped Spinous Process















