Breed specific osteological features of the canine lumbosacral junction

Annals of Anatomy = Anatomischer Anzeiger : Official Organ of the Anatomische Gesellschaft
S Breit, W Künzel

Abstract

Inefficient facet geometry suggests the lumbosacral junction to be mechanically imperfect in a large number of dogs (especially German Shepherd Dogs) resulting in a significantly higher prevalence of osteophyte formation and increase in the longitudinal extension of the articular surface covering the caudal articular process of the seventh lumbar vertebra. Such osteological features give evidence for lumbosacral craniocaudal translation, were predominantly noticed in combination with axial rotation and are taken to be anatomic risk factors that can predispose to the development of lumbosacral stenosis. The statistically significant relationship between age and the magnitude of the caudal facet inclination angles of the seventh lumbar vertebra in juvenile specimens indicate an affection of the three-dimensional modeling of the immature caudal articular processes by formative stimuli such as body weight and locomotion. However, results additionally indicate an association between the magnitude of these inclination angles and vertebral body dimensions also suggesting a congenital influence on facet geometry.

References

Jul 1, 1992·The Veterinary Clinics of North America. Small Animal Practice·S J Wheeler
Jan 1, 1980·The Journal of Small Animal Practice·J A Wright

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Citations

May 3, 2012·Veterinary Radiology & Ultrasound : the Official Journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association·Jeryl C JonesStephen R Werre
Sep 27, 2006·Annals of Anatomy = Anatomischer Anzeiger : Official Organ of the Anatomische Gesellschaft·Mehmet Kamil OcalUgur Parin
Aug 31, 2002·Annals of Anatomy = Anatomischer Anzeiger : Official Organ of the Anatomische Gesellschaft·Sabine Breit
Aug 5, 2017·Canine Genetics and Epidemiology·Dan G O'NeillDave C Brodbelt
Jan 2, 2004·Veterinary Radiology & Ultrasound : the Official Journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association·T W Axlund, J A Hudson

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