Vertebral Column

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Functions of Spine
- A.
- Weight support
- B.
- Shock absorber
- C.
- Transfer weight to pelvis
- D.
- Balance
- E.
- Bipedal locomotion
- F.
- Protect spinal cord and nerves
The vertebral column
houses and protects
the spinal cord and

nerves
Typical Vertebra
- A.
- Body
- B.
- Arch
- 1.
- lamina
- 2.
- pedicles
- a.
- superior vertebral notch
- b.
- inferior vertebral notch
- 3.
- vertebral canal
SPINA BIFIDA
- usually involves 1 vertebra (L4 or S1
Where does the vertebral artey go through?
- Cervical Vertebrae
Abnormal curvatures of the spine
- 1.kyphosis -hunchback, dowager’s
- hump
2. lordosis- Exaggerated secondary curvature in the lumbar region
- 3. scoliosis- lateral
- curvature of the spine
1.kyphosis -hunchback, dowager’s hump ( Causes)

Congenital, Occupational, osteoperosis, TB, Fractures, degenerating disc
2. lordosis- Exaggerated secondary curvature in the lumbar region (causes)

Pregency or obesity
3. scoliosis- lateral curvature of the spine
1.hemi-vertebra
- 2. a short
- leg
- 3. polio,
- stroke, herniated disc
Idiopathic

Unknown
A decrease in the size of the thoracic
cage can
What 2 joints are associated with the spine
- 1.Zygophyseal
- (synovial)
2. Intervertebral disc (symphysis)
Zygophyseal joint
- Connects the Superior and Posterior articular process
The intervertebral
discs account for about ____of the length of the vertebral column
The intervertebral
disc consist of:
The Nucleus Pulposus:
- a. is derived from the
- notochord
- b. is filled with a fibrogelatinous pulp (containing 80%
- water in youth)
- c. changes with age (looses water &
- turgidity
Prolapsed Intervertebral Disc occur
- occur at lower cervical & lumbar
- regions

Author

haaveshes

32926

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Vertebral Column

Description

Vertebral Column,

Updated

2010-09-06T03:58:12Z