THE EVALUATION OF GEOMETRIC PARAMETERS OF LUMBOSACRAL VERTEBRAE (A RADIOGRAPHIC STUDY)

Wilhelm Conrad Roentgen accidentally discovered x-rays in 1895 while conducting some experiments in his laboratory (Yochum and Rowe 2005). The “X” in x-rays represented the unknown ray as Roentgen did not know what to name the invisible rays. One of the significant aspects of this discovery was the development of the clinical radiography which allows us to “see” the internal structures of the body especially bony tissue. Although the x-ray was considered an excellent diagnostic imaging tool, the harmful aspect of radiation could not be ignored (Yochum and Rowe 2005). Since its discovery, it has been of immense value in the evaluation of skeletal disorders (Yochum and Rowe 2005; Kendrik et al., 2001). Most patients requiring medical attention for low back pain have routine x-rays taken of the lumbosacral spine as part of the initial evaluation. The radiographs may be evaluated utilizing the ABCS approach (A = Alignment; B = Bone; C = Cartilage; S = Soft tissue).
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