1st Cervical (Atlas).

The vertebral Level 1C is the 1st Cervical (Atlas) and affects the head and neck.

Focusing primary on the back of the head.

Possible symptoms are headaches. This includes migraines, aches or pains at the back of the head, behind the eyes or in the temples, tensions across the forehead, throbbing or pulsating discomfort at the top or back of the head.

Any problems with this vertebra may affect several organs due to it's affect upon the brain and it's location at the beginning of the nerve path:

Brain

Eye

Lacrimal Gland

Mucous Membrane Nose & Palate

Mucous Membrane Mouth

Parotid Gland

Sublingual Gland

Submaxillary Gland

Thyroid Gland

Parathyroid

Lungs

Liver

Stomach

Gall Bladder

Blood Vessels of the Abdomen

Spleen

Pancreas

Kidney

Adrenal Gland

Small Intestine

Large Intestine

Adrenal Gland

Ileocecal Valve