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Abstract
Background: Dorsal hyperkyphosis is a condition indicated by the abnormal increase in the curvature convexity of the thoracic vertebral column. The neck pain is a common clinical complaint that commonly seen at physiotherapy clinics all over the world. In order to properly prevent or treat a clinical problem, potential risk factors need to be identified. Objective: The purpose of this study was to investigate the correlation between thoracic hyperkyphosis and cervical ROM, neck pain and functional abilities of the neck. Subjects and method: Fifty seven subjects with dorsal hyperkyphosis of both sexes participated in this study. Their ages ranged from 20 to 40 years. The degree of hyperkyphosis was measured by gravity dependent inclinometer, Assessment of cervical range of motion was performed by using OB Myrin inclinometer, VAS scale was used for assessment of neck pain and NDI was used for assessment of neck disabilities.Results: For subjects with dorsal hyperkyphosis there was a statistically significant positive correlation between degree of hyperkyphosis and neck pain, there was a statistically significant negative correlation between degree of hyperkyphosis and neck extension, there was no correlation between degree of hyperkyphosis and neck disabilities and there was no correlation between degree of hyperkyphosis and neck flexion, side bending and neck rotation. Conclusion: degree of dorsal hyperkyphosis could affect the severity of neck pain and could decrease the mobility of the neck in the extension range of motion. On the other hand degree of dorsal hyperkyphosis couldn’t affect neck disabilities and the mobility of the neck in the other directions