But what about that big old section in the middle? Given that the thoracic area is the largest part of your spine, consisting of 12 vertebrae, a huge variety of muscles and attaching to your ribs ...

The thoracic spine is part of your spinal column and is composed of 12 bones that are stacked one upon another. The thoracic spine is located between your cervical and lumbar spines, and it serves ...

Medically reviewed by Susan Russell, MD Back pain when breathing has several causes, ranging from a pulled muscle or pleurisy ...