With your arms curved like wings, raise and lower them as if you're flying. Do 10 repetitions. This exercise should lessen upper back discomfort and will prevent humpback. Stress buildup throughout the day causes shoulders to rise. Counteract this tendency by raising and dropping shoulders deliberately at various times throughout the day.
Some experts recommend other stress-zapping techniques.
Anything calming at the end of a day can help you unwind. Take a leisurely warm bath. Take a nap. White noise generators produce restful sounds that give an impression of running shower water or ocean waves. Once home from that bad day at work, try a relaxation exercise.