How many vertebrae are considered part of the thoracic spine?

The thoracic spine consists of 12 vertebrae, which are designated as T1 through T12. This section of the spine is located in the upper and mid-back, and these vertebrae articulate with the ribs, providing structural support and protection for the thoracic organs, including the heart and lungs. The thoracic vertebrae play a crucial role in maintaining the stability of the upper body, allowing for movement while also contributing to the overall posture. Understanding the anatomy of the thoracic spine is essential for various medical practices and is particularly relevant for EMTs when assessing spinal injuries or conditions.