Probably one of the most stable structures, the thoracic spine and rib cage form a strong frame that protects the organs.
Although fairly stable the thoracic spine has a remarkable amount of give allowing the intercostals and ribs to move through breathing while also facilitating rotation and side bending.
The classic ache between the shoulder blades, often named upper-crossed syndrome, is a postural-induced condition with the vast amount of clients who experience this issue being forced to sit at desks for long hours. Postural induced discomfort will often require a solution that addresses these postural issues.
Other areas that are common problems in this region are rib dysfunctions, where the costovertebral joint sprains, and diaphragm tightness, which can affect the ability for the body to maintain intra-abdominal pressure; a key to core stability.