The sixth cervical vertebra (C6) controls the extensor muscles of your wrist and is involved in the control of your biceps. It provides sensation to the thumb side of your forearm and hand.
• Connections: parotid gland, acromio-clavicular joint, thyroid, tonsils, neck muscles, parotid, sublingual, shoulder
• Possible problems: tonsils, croup, stiff neck, upper arm pains, whooping cough, goiter
