Do you have pain or tightness in your upper back? This may be due to a tight thoracic spine. In an age of phones and desk jobs, thoracic spine tightness has become an epidemic. Hundreds of thousands of people suffer from limited mobility in their upper back. This new mobility series is to help remedy that pain, but overall, we need to learn how to sit upright and not be on our phones all the time putting us in a bad position.