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- Abnormal increase in thoracic curvature
- Caused by erosion of anterior part of 1+ vertebrae
- As erosion continues, vertebrae collapses, causing loss of height
Kyphosis (aka "humpback")
- Net demineralization of bones
- Caused by disruption of calcium deposition and reabsorption
- Bones become weak and brittle, causing them to be more likely to fracture
- Caused by abnormal increase in lumbar curvature
Lordosis ("hollow back")
- Abnormal lateral curvature (S-shaped) accompanied by rotation of vertebrae
- Spinous processes turn toward abdominal cavity
Scoliosis ("curved back")
In medial strabismus, what nerve is compromised?
CN VI - abducens
If the superior oblique is compromised, what action does the eye have?
- Downward & outward gaze
- (Normally up & in)
CN III - occulomotor (the muscle is part of the everything else)