Thoracic Vertebrae and Nerve Interactions

Thoracic Vertebrae and Nerve Interactions at T2


The important nerves at this location along the spinal column impact the coronary arteries, the heart and the covering of the heart. Subluxations at this location have the potential to create chest pains and heart conditions. T2 is the second vertebrae below the first thoracic vertebrae. It is larger than T1 and smaller than T3. This vertebrae has faceted sides and spinal nerve 2 emerges from its foramen.

Coronary Arteries

The heart is sent blood through the cardiopulmonary system on a regular basis through the coronary arteries. There are two arteries that perform this function that branch from the aorta. The importance of the nerve located at T2 cannot be overstated as it provides innervation and impulse for aspects of the cardiac muscle. Bone has the capacity to create impingements and compressions on this nerve. Trauma can negatively impact the area of T2 and indirectly begin to influence pathology in the heart. Chiropractic adjustment at this point is therefore beneficial in keeping neurons and blood flow consistent.


The pericardium is a double walled sac containing the heart and the roots of what are known as the “great vessels.” These vessels are the superior vena cava, inferior vena cava, pulmonary arteries, pulmonary veins, and the aorta. These major and “great” vessels make up the covering the nerve root at T2 can influence. Diseases of the pericardium include

  • Pericarditis: Inflammation of the sac from infection, heart attack, surgery, or injury.
  • Pericardial effusion: This is the buildup of fluid inside the pericardium.
  • Cardiac Tamponade: This is also a buildup of fluid in the pericardium with the additional dysfunction wherein the fluid interferes with the regular function of the heart.

Other issues associated to the pericardium include chest pain, rapid heartbeat, difficulty breathing, and fever.



Thoracic Vertebrae and Nerve Interactions at T3


The spinal nerve at T3 impacts the lungs, bronchial tubes, pleura, chest, breast, and nipples. A subluxation in this area has the potential to negatively impact these areas of the body and produce bronchitis, pleurisy, pneumonia, congestion, and influenza.

T3 is the third vertebrae from the top of the thoracic section of the spine. It is larger than T2, but the foramen at T3 are smaller than at T2. It connects with two ribs through the employment of facet joints.


Bronchitis is an inflammation of the lining of the bronchial tubes. A subluxation at T3 will create a condition in which bronchitis may develop. Bronchitis may also appear as a result of infection or an irritation of the bronchial lining.

Bronchitis is an inflammation of the lining of your bronchial tubes, which carry air to and from your lungs. People who have bronchitis often cough up thickened mucus, which can be discolored. Bronchitis may be either acute or chronic.


Pleurisy is an inflammation of the pleura or the double layered membrane that surrounds the lungs and lines the rib cage. Breathing becomes painful with pleurisy and a buildup of fluid between the membrane’s layers can create further complications. This pleura is designed to protect and lubricate the surface of the lungs. With pleurisy, two layers of the membrane rub against each other with each breath. This is painful.


Pneumonia is a lung infection caused by bacteria, virus or fungi. Some of the symptoms include:

  • Cough
  • Fever
  • Chills
  • Shortness of breath
  • Chest pain
  • Headache
  • Sweating
  • Loss of appetite
  • Confusion


Influenza (the flu) is an infectious disease coming to humans from birds and mammals. It’s symptoms can be severe chills, fever, sore throat, muscle pains and headache.

The nerves at T3 influence the central area of the chest and the possibility of the flu, bronchitis, and the other diseases mentioned here is enough evidence to show that it is important for this area to be free from subluxations.


Thoracic Vertebrae and Nerve Interactions at T4


The nerve root at T4 impacts the functioning of the gall bladder and common duct. Subluxations at T4 have the potential to create issues with the gall bladder, jaundice, and shingles.

T4 is the fourth vertebrae in the thoracic region of the spine. It is located in the torso and supports the rib cage. Ribs fit into this vertebrae at strategic points. T4 is larger than T3, but the foramen are smaller as these grow increasingly smaller as the spine descends into the lumbar area. T4 has a large spinous process that can be felt and seen pointing downward significantly.

Gall Bladder

The gall bladder is located in the right upper section of the abdomen below the liver. It stores bile provided to it by the liver. This bile helps the body break down and digest fats. The most common malady associated with the gall bladder is the onset of gallstones which is a hardened combination of cholesterol and bile. These can be painful, but treatment is available. Correct seating of the nerve associated with this organ at T4 is important.


This disease is a discoloration of the skin resulting in a yellow shade. The yellow color is created by an excess amount of bilirubin in the blood resulting from hepatitis or liver cancer. Gallstones, pancreatic cancer or a blockage of the biliary tract may produce jaundice.


Shingles is a viral infection that appears as blisters on the skin. The condition is caused by the same virus that causes chicken pox. They are painful.



Thoracic Vertebrae and Nerve Interactions at T5


The root nerves found at T5 innervate and supply the liver, solar plexus and general circulation throughout the body. Subluxations at this anatomical location can produce liver conditions, problems related to blood pressure, poor circulation and the presentation of arthritis. The T5 vertebrae is the fifth of the twelve thoracic vertebrae from the top of the spinal column. Ribs attach to this vertebrae on both sides of the body. It is slightly larger than T4 and slightly smaller than T6.

Muscle and Organ Influences

T5 is centrally located in the thoracic region of the spine. The liver is impacted by the consistent flow of neuron signals coming from the T5 areas. Nerves at this location also have cardiovascular effects and can influence rates of metabolism and hormone-releasing processes. There is a dense supply of nerves to the liver which directly affect levels of glucose output from the liver as well as the release of glucagon and the inhibition of insulin release from the pancreas. Because of this sophisticated interaction between the nerves, the liver, and the pancreas it is profoundly important a subluxation is minimized at T5.

Injury or Trauma

Should trauma happen in the thoracic region, it can result in limited mobility and even complete paralysis of the lower body. Respiration may be impacted and general endurance may be impacted.





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