Lecture 2- The Five Elements in TCM

Controlling and Insulating Cycles

• The Metal element controls the Water element in the controlling cycle.
• The insulating cycle involves elements that produce a counteractive effect against another.

Associated Emotions and Bodily Functions

• Joy and anxiety are connected to the Fire element.
• The secretion of mucous is related to the Metal element.
• The sense of taste is linked to the Earth element.
• Fear and shock are associated with the Water element.
• The secretion of saliva is connected to the Earth element.
• The sense of hearing is linked to the Water element.

Generating and Controlling Relationships

• The Wood element is generated by the Water element.
• The Heart commands the Fire element.
• The Zhou Dynasty incorporated the 5 elements into mainstream Chinese medicine.

Agricultural and Quality Associations

• The Earth element 'permits sowing, growing, and reaping.'
• The Fire element is characterized by being 'combustible and warming.'
• Earth is created from ashes during the generating cycle.

Relationships in the Generating Cycle

• Water is created by containing within the generating cycle through the Metal element.
• Wood is nourished and generated by the Water element.

Historical Context

• The decline in the use of the 5 elements in TCM occurred during the Ming Dynasty.

Elemental Qualities

• The Earth element embodies qualities of being 'workable and solid.'

Insulting Relationships

• Fire is insulted by the Metal element.
• Earth is insulted by the Water element.
• Water generates (commands) Wood.
• Wood controls Water.
• Water insults Fire.

Pathology Relationships

• If the controlling element is in deficiency, pathology exists in the controlled element.
• If the controlling element is in excess, pathology also exists in the controlled element.