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Which university are you at? buy cytotec per pill Modern daily life means susceptible backs are common. Many people sit in a chair for much of their working day, where they adopt a position that can be harmful to the back. Let’s call this position the Office Worker’s Slump. In the Office Worker’s Slump, the back curves forward, which means the abdominals are not engaged, while the lower back muscles (erector spinae) are constantly shortened. The result is stress on the lumber vertebrae and subsequent intervertebral disks.