The thoracic spine, which is the part of the spine that corresponds to the chest area, is spelled using the International Phonetic Alphabet (IPA) as /θɔːˈræsɪk spaɪn/. The first part of the word, "thoracic," is pronounced with the "th" sound as in "thin" followed by a long "o" sound, and the stress falls on the second syllable. The word "spine" is pronounced with a long "i" sound and a silent "e" at the end. Correct spelling of medical terminology is essential in clinical settings to ensure accurate communication and patient care.
The thoracic spine, also known as the upper back or mid-back, is a key region of the vertebral column located between the cervical (neck) and lumbar (lower back) regions. It consists of twelve vertebrae designated as T1 to T12, which are larger and more rigid compared to the cervical and lumbar vertebrae. The thoracic spine encompasses the area where the ribcage attaches, contributing to enhanced stability and structural support for the upper body.
The main functions of the thoracic spine include protecting the vital organs within the chest cavity, aiding in posture, and facilitating movement of the chest during respiration. Due to its proximity to the ribcage, the thoracic spine plays a crucial role in powering the expansion and contraction of the chest during breathing, allowing for the exchange of oxygen and carbon dioxide in the lungs.
The vertebrae in the thoracic spine are characterized by the presence of articulating facets that connect with the ribs, allowing for limited mobility and rotational movement. However, the range of motion in the thoracic region is relatively restricted compared to the cervical and lumbar regions, primarily due to the rib attachment. This limited mobility provides stability and protects the sensitive spinal cord, which runs through the vertebral column, including the thoracic spine.
Disorders or injuries affecting the thoracic spine can manifest as pain, discomfort, or limited motion in the upper back. Common conditions include thoracic spine fractures, herniated discs, arthritis, scoliosis, and postural issues. Treatments for thoracic spine conditions may involve physical therapy, medications, spinal realignment, or in severe cases, surgical intervention.
Dorsal spine, that part of the spinal column which enters into the formation of the chest.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "thoracic" comes from the Latin term "thorax", which means "chest" or "breastplate". The term "thoracic spine" refers to the region of the spinal column that is situated in the upper and middle back, corresponding to the area in the vicinity of the chest. The "spine" part of the term is derived from the Latin word "spina", which means "thorn" or "spine". Hence, the etymology of the phrase "thoracic spine" relates to the location of this particular section of the spine in the chest region.