Impediments of the five viscera

Also visceral impediment. Forms of impediment (bì) that develop when sinew impediment, vessel impediment, bone impediment, and skin impediment, etc., through repeated contraction of cold, wind and dampness, begin to affect the associated viscus. They may also be caused by qì and blood vacuity, essence depletion, or nonmovement of yáng qì permitting evil qì to enter and gather in the chest and abdomen.