The phrase "thoracic spine" refers to the part of your backbone or spine that is located in the middle of your back, between the neck and the lower back. Full definition
The patient will experience a decrease in thoracic spine movement and tenderness over the joint in question. (sportsinjuryclinic.net)
If you sense any pressure in your neck or traps during the movement, look to address a lack of thoracic spine extension or shoulder flexion. (muscleandstrength.com)
In dancers, it is particularly pertinent that they maintain good thoracic spine mobility due to the degree of flexibility of the spine that is required. (weckmethod.com)