Qi that presages most of what is given greater detail by the Neo-Confucians: The "Huangdi Neijing" "(""The Yellow Emperor's Classic of Medicine", circa 2nd century BCE) is historically credited with first establishing the pathways, called meridians, through which qi circulates in the human body. In traditional Chinese medicine, symptoms of various illnesses are believed to be either the product of disrupted, blocked, and unbalanced "qi" movement through meridians or deficiencies and imbalances of qi in the "Zang Fu" organs. Traditional Chinese medicine often seeks to relieve these imbalances by adjusting the circulation of "qi" using a variety of techniques including herbology,
The Lord of the Rings: The Return of the King DVD sets for the two previous films were released eight months after the films were released, but "Return of the King"'s set was completed in five because it did not have to market a sequel (the previous films had to wait for footage of their sequels to become available for a ten-minute preview). However, it contained a seven-minute trailer of the entire trilogy. "The Return of the King" followed the precedent set by its predecessors by releasing an Extended Edition (251 minutes) with new editing and added special effects and music, along with four commentaries and six hours of supplementary