Vet Comp Orthop Traumatol 2009; 22(03): 204-209
DOI: 10.3415/VCOT-08-07-0065
Original Research
Schattauer GmbH

Radiographic measurement of tibial joint angles in sheep

K. Hette
1   Department of Veterinary Surgery and Anesthesiology, School of Veterinary Medicine and Animal Science – São Paulo State University (Unesp), Botucatu, São Paulo, Brazil
,
S.C. Rahal
1   Department of Veterinary Surgery and Anesthesiology, School of Veterinary Medicine and Animal Science – São Paulo State University (Unesp), Botucatu, São Paulo, Brazil
,
R.S. Volpi
2   Department of Surgery and Orthopedics, Botucatu Medical School – Unesp, Botucatu, São Paulo, Brazil
,
O.C.M. Pereira-Junior
1   Department of Veterinary Surgery and Anesthesiology, School of Veterinary Medicine and Animal Science – São Paulo State University (Unesp), Botucatu, São Paulo, Brazil
,
M.J. Mamprim
3   Department of Animal Reproduction and Radiology, School of Veterinary Medicine and Animal Science – Unesp, Botucatu, São Paulo, Brazil.
,
V. Colombi da Silva
3   Department of Animal Reproduction and Radiology, School of Veterinary Medicine and Animal Science – Unesp, Botucatu, São Paulo, Brazil.
› Author Affiliations
Further Information

Publication History

Received:23 July 2008

Accepted:20 March 2008

Publication Date:
17 December 2017 (online)

Summary

The aim of this study was to establish normal reference values of anatomic and mechanical joint angles of the tibia in sheep at different age groups. Eighteen clinically healthy Santa Ines sheep were used. The animals were divided into three equal groups according to age: Group I – from six- to eight-months-old, Group II – 2-years-old, Group III – from three- to five-years-old. Anatomic medial proximal and lateral distal tibial angles, mechanical proximal and distal tibial angles, and anatomic caudal proximal and anatomic cranial distal tibial angles were measured from tibiae radiographs (n = 36). In the craniocaudal view, the mean values of the anatomic medial proximal, anatomic lateral distal, mechanical medial proximal, and mechanical lateral distal tibial joint angles were 89.6°, 86.6°, 91.4°, and 85.19° respectively. In mediolateral view, the mean values of the anatomic caudal proximal and anatomic cranial distal tibial angles were 64.55° and 105.69°, respectively. The joint orientation angles of the tibia in sheep showed similar values regardless of animal age for both anatomic and mechanical axes.

 
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