Spinal Column

Your Vital Connection

Click on the circles in the diagram to learn what areas of the spine control in your body.
  • C1 – Blood supply to the head, pituitary gland, scalp, bones of the face, brain, inner and middle ear, sympathetic nervous system, eyes
  • C2 – Eyes, optic nerves, auditory nerves, sinuses, mastoid bones, tongue, forehead, heart
  • C3 – Cheeks, outer ear, face, bones, teeth, trifacial nerve, lungs
  • C4 – Nose, lips, mouth, Eustachian tube, mucous membranes, lungs
  • C5 – Vocal cords, neck glands, pharynx
  • C6 – Neck muscles, shoulders, tonsils
  • C7 – Thyroid gland, bursa in the shoulders, elbows
  • T1 – Arms from elbows down, including hands, arms, wrists, and fingers; esophagus and trachea; heart
  • T2 – Heart, including its valves and covering; coronary arteries; lungs; bronchial tubes
  • T3 – Lungs, bronchial tubes, pleura, chest, breast, heart
  • T4 – Gallbladder, common duct, heart, lungs, bronchial tubes
  • T5 – Liver, solar plexus, circulation (general), heart, esophagus, stomach
  • T6 – Stomach, esophagus, peritoneum, duodenum
  • T7 – Pancreas, duodenum, stomach, liver, spleen, gallbladder, peritoneum
  • T8 – Spleen, stomach, liver, pancreas, gallbladder, adrenal cortex, small intestine, pyloric valve
  • T9 – Adrenal cortex, pancreas, spleen, gallbladder, ovaries, uterus, small intestine
  • T10 – Kidneys, appendix, testes, ovaries, uterus, adrenal cortex, spleen, pancreas, large intestine
  • T11 – Kidneys, ureters, large intestine, urinary bladder, adrenal medulla, adrenal cortex, uterus, ovaries, ileocecal valve
  • T12 – Small intestine, lymph circulation, large intestine, urinary bladder, uterus, kidneys, ileocecal valve
  • L1 – Large intestine, inguinal rings, uterus
  • L2 – Appendix, abdomen, upper leg, urinary bladder
  • L3 – Sex organs, uterus, bladder, knees, prostate, large intestine
  • L4 – Prostate gland, muscles of the lower back, sciatic nerve
  • L5 – Lower legs, ankles, feet, prostate
  • Sacrum – hip bones, buttocks, rectum, sex organs, genitalia, urinary bladder, ureter, prostate
  • Coccyx – Rectum, anus
  • Sacral plexus – Forms the sciatic as well as other nerves that go to muscle, joints and other structures of the leg, knee, ankle, feet and toes
  • Brachial plexus – Forms the radial, ulnar, median and other nerves that go to the muscles, joints and other structures of the shoulder, arm, wrist, hand and fingers