Flashcards in 9/9 Questions Exam 2 Deck (23):
What is the incidence of spondylolysis in the general population?
a range of 2.6% to 10%
What is the geographic or ethnic bias for a higher incidence of spondylolysis?
the native alaskan (inuit) population
Lumbar spondylolysis has not been reported in what groups of individuals?
fetuses, newborns, rarely in children under 5 years old, patients who have never walked and in non-erect species
What does lumbar spondylolysis appear to be related to?
the uniquely human upright stance or erect postrue
Lumbar spondylolysis is associated with what characteristics?
familial association, spina bifida occulta, racial/ethnic disparities, gender and locational bias, youthful incidence and activities requiring repetitive stress on the spine
What is the gender bias and locational bias associated with lumbar spondylolysis?
men at L5/S1; women at L4/L5
What is the age range typically associated with lumbar spondylolysis?
10-20 year olds
What activities are particularly stressful at the pars interarticularis of lumbar vertebrae?
gymnastics, dance, soccer
What fills the space in a lumbar spondylolysis?
What name has been given to the material filling the space in a lumbar spondylolysis?
What types of neural function(s) have been associated with the spondylolysis ligament?
nociception, neuromodulation, and autonomic function
What is the appearance of the lumbar vertebra upon oblique x-ray view?
a Scotty dog
What is the appearance of a defect in the pars interarticularis in a lumbar vertebra upon oblique x-ray view?
a collared scotty dog
In an oblique x-ray, spondylolysis below the superior articular process of a lumbar pars interarticularis is associated with what part of the scotty dog?
the neck of the scotty dog
What part of a lumbar vertebra forms the eye of a scotty dog?
What part of a lumbar vertebra forms the ear of a scotty dog?
the superior articular process
What part of a lumbar vertebra forms the nose of a scotty dog?
the transverse process
What characteristics are associated with cervical spondylolysis?
rare, congenital, gender biased toward men, most common at C6 and linked to spondylolisthesis and spina bifida
What characteristics are associated with sacral spondylolysis?
rare in the general population, within typical percents in native alaskan (inuit) population, seems to be acquired, gender biased toward men, most common at S1 and linked to activities such as kayaking and harpooning
Identify all names given to type 1 spondylolisthesis?
dysplastic spondylolisthesis, congenital spondylolisthesis
What is the locational bias of type 1 spondylolisthesis?
L5 or upper sacral segments
What additional conditions are linked to type 1 spondylolisthesis?
spina bifida occulta and nerve root compression of the S1 nerve