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This study dealt with the fact that Poor sitting posture has been connected to the development of neck pain symptoms . 58 subjects with chronic nonsevere neck pain and 10 control subjects participated in the study. In this study there were 2 things done. The first was to compare change in cervical and thoracic posture during a task between subjects with chronic neck pain and control subjects. The seconds was to compare the effects of 2 different neck exercise routines on people with neck pain to maintain an upright cervical and thoracic posture during this task. Change in cervical and thoracic posture from an upright posture was measured every 2 minutes during a 10-minute computer task. the subjects with neck pain were randomly split into one of two 6-week exercise program groups. either a group that received training of the craniocervical flexor muscles or a group that received endurance-strength training of the cervical flexor muscles. Subjects with neck pain demonstrated a change i