A Model to Predict Canine Pelvic Limb Musculoskeletal Geometry
| Autor: | Richard A. Brand, J.H. Feinberg, Douglas R. Pedersen |
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| Rok vydání: | 1991 |
| Předmět: | |
| Zdroj: | Cells Tissues Organs. 140:139-145 |
| ISSN: | 1422-6421 1422-6405 |
| DOI: | 10.1159/000147050 |
| Popis: | We developed a model to predict the three-dimensional canine pelvic limb muscular geometry (i.e., all muscle moment arms during any instant in gait). Forty-one muscle origins and insertions, as well as external landmarks (to obtain anthropometric dimensions) were marked on both pelvic limbs of five dogs and digitized on biplanar radiographs. Reference frames in the pelvis, femur, and tibia established the three-dimensional coordinates of each origin, insertion, and landmark. A set of dimensionless ‘scaled coordinates’ was created by dividing the actual origin and insertion coordinates by selected anthropometric dimensions of each animal. Combining scaled coordinates from all ten limbs produced an averaged ‘template’ of scaled coordinates. To provide limited validation of the scaling procedure we measured the anthropometric dimensions between externally palpable landmarks of two additional pelvic limbs. The anthropometric dimensions were multiplied by the averaged template coordinates to calculate two new sets of hindlimb muscle coordinates within the three bony reference frames. The two limbs then were dissected, muscle endpoints were marked, andbiplanar radiographs of each of the limb segments were digitized. The actual coordinates so obtained were similar to those predicted by the template and anthropometric measures. |
| Databáze: | OpenAIRE |
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