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The term "adjustment" refers to the specific
manipulation doctors apply to vertebrae
that have abnormal movement patterns or fail to function
normally. The objective of the treatment
is to reduce the subluxation, which results in an increased
range of motion, reduced nerve irritability and improved
function.
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The adjustment made by the doctor consists
of a high velocity, short lever arm thrust applied
to a vertebra, which is often accompanied by an audible
release of gas (joint cavitation). The audible sound
is caused by the release of oxygen, nitrogen, and carbon
dioxide, which releases joint pressure (cavitation) . The sensation is usually relieving, though minor
discomfort has been reported (that usually lasts for
only a short time duration) if the surrounding muscles
are in spasm or the patient tenses up during the
procedure.
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