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The upper back exercise strengthens the muscles in your upper back that help maintain your posture. The muscles in your upper back help keep your shoulder blades in position, which helps support your head over your shoulders. When you strengthen these muscles, they will provide better support for your posture and are less likely to become overloaded or strained.

If you have trouble performing the upper-back stretch as described, try the following:
If you feel any discomfort or pain while performing the upper-back stretch, STOP immediately and consult your health care provider.