The fifth cervical vertebra (C5) controls the deltoid muscles of your shoulders and your biceps. It provides sensation to the upper part of your upper arm down to your elbow.
• Meridians: lung meridian (yin), large intestine meridian (yang)
• Connections: parotid gland, sublingual glands, sub maxillary glands, throat, vocal cords, neck glands, pharynx cervical muscles
• Possible problems: laryngitis, hoarseness, sore throat, quinsy, chronic cold