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Investigating the mean indexes of the cervical vertebrae through radiography in normal peop
Mahsa Akhavan-Sabbagh, Mohammad Ghasem Hanafi , Mozhgan Samet Zadeh , Arvin Rostami ,
Volume 81, Issue 9 (12-2023)
Abstract
Background: The study of the angles between the vertebrae and the curvatures of the spine plays an essential role in the pathogenesis of spinal disorders. Among the essential topics, the cervical sagittal parameters are widely used in evaluating cervical spine disorders and surgery. Measurement of cervical lordosis curves in healthy people is influenced by various factors. This study was conducted in order to investigate the average indexes of the cervical vertebrae in simple graphs in normal people.
Methods: In this descriptive study, using Gunya and Radiant software, radiographic photographs of the lateral view of the cervical region of 50 people (28 men and 22 women) who were referred for purposes other than problems related to neck pain were examined. Patients who were candidates for surgery and congenital disorders of the cervical spine were excluded. The study was conducted between March to April 2022. In this study, 12 cervical indexes were comprehensively measured and the scope of their changes in relation to age and gender was investigated. The measurements were conducted by an experienced radiologist.
Results:  In this study, 50 participants including 28 male (58%) and 22 female (44%) were included in the study. The mean age of participants 38.42 ± 2.1 years. After comparing the two genders, except for C0-C2/C2-C7 ratio index (4.9 in men and 2.6 in women) (P= 0.012), no significant difference was seen for other indexes (P> 0.05). After comparing the two groups, a significant difference was seen only in the T1 slope (T1S) index, which was significantly higher in people over 35 years old than in people under 35 years old (71.15 vs. 69.04) (P=0.049).
Conclusion: The evidence from this study shows that T1S increases with age and C0-C2/C2-C7 is significantly less in women than in men. These findings can be used to diagnose pathology or destructive changes in the elderly, to evaluate movement disorders, the effectiveness of treatment, and to determine the outcome.

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