Geometry of the femoral condyles in dogs |
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Authors: | Mehmet Kamil Ocal Figen Sevil-Kilimci Ismail Gokce Yildirim |
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Institution: | (1) Faculty of Veterinary Medicine, Department of Anatomy, Adnan Menderes Unıversity, 09016 Pk. 17 Isikli, Aydin, Turkey |
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Abstract: | The stifle joint is one of the most important joints in dogs from the orthopaedic point of view. The aim of this study was
to document the morphometric values of femoral condyles, given the close relationship between the shape and function of an
anatomic structure. The left femora of 16 mid-sized dogs were used, and diameter and nine radii as well as cranial and caudal
bow lengths from each condyle were measured. The photographs were taken of the distal femora from both sides. All measurements
were obtained from these images by using software. Additionally, the rotation angle was calculated from the intercondylar
distance and the difference between lateral and medial bow lengths. In addition to the rotation angle, the difference of diameter
and nine radii between the lateral and medial condyles was determined. All radii except getting at 90° were significantly
different between the medial and lateral condyles. The greatest values were determined in the caudal part of the medial condyle.
This results the smaller contact area and a greater pressure on the underlying surface, and therefore the meniscus and articular
cartilage of the caudal part of the medial side suggests the possibility of a risk of injury as the stifle joint flexes. The
mean rotational angle of the femur was also calculated to be 2.18° laterally and 1.02° medially in the caudal and cranial
parts of condyles, respectively. The result of this study showed that the lateral and medial condyles had different shapes
in canine femur. |
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