Greater tubercule inclination
Greater tubercule inclination
- Acronym: GTI
Definition
The greater tubercule inclination is a landmark used to assess anatomical variations of the humerus, particularly in the development of humeral prosthetic stem. It is determined in the frontal plane from a craniocaudal radiograph or multiplanar reconstruction of the humerus.
The greater tubercule inclination is the angle formed by the anatomic humeral axis and the line joining the proximal part of the greater tubercle and a point at 20% of humeral length on the anatomic axis.
Values of 170.4 +/- 4.6 mm have been reported for the greater tubecule inclination in non-chondrodystrophic dogs.
References
Smith et al. Three-dimensional assessment of curvature, torsion, and canal flare index of the humerus of skeletally mature nonchondrodystrophic dogs. Am J Vet Res 2017;78:1140–1149 https://doi.org/10.2460/ajvr.78.10.1140
