Radiographic measurement of tibial joint angles in sheep

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 eigh...

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Published inVeterinary and comparative orthopaedics and traumatology Vol. 22; no. 3; pp. 204 - 209
Main Authors Hette, K, Rahal, S.C, Volpi, R.S, Pereira-Junior, O.C.M, Mamprim, M.J, Silva, V. Colombi da
Format Journal Article
LanguageEnglish
Published Germany 01.01.2009
Subjects
allometry
Anesthesia, General
animal age
Animals
body measurements
Foot Joints - diagnostic imaging
Foot Joints - growth & development
Functional Laterality
image analysis
joint angles
joints (animal)
limbs (animal)
morphometry
musculoskeletal system physiology
normal values
Radiography
Range of Motion, Articular
reference standards
Reference Values
Santa Ines (sheep breed)
Sheep
sheep breeds
tibia
Tibia - diagnostic imaging
Tibia - growth & development
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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 masculine, 86.6 masculine, 91.4 masculine, and 85.19 masculine respectively. In mediolateral view, the mean values of the anatomic caudal proximal and anatomic cranial distal tibial angles were 64.55 masculine and 105.69 masculine, respectively. The joint orientation angles of the tibia in sheep showed similar values regardless of animal age for both anatomic and mechanical axes.
ISSN:0932-0814
2567-6911
DOI:10.3415/VCOT-08-07-0065