The sensation experienced by the patient with acupuncture is largely subjective and may be quite variable. Needling sensation is not painful, but it is a dull, bursting or numb feeling around the site of the inserted needle. Occasionally sensations may travel up and down the channel on which the acupuncture point is situated; for example, the stimulation of an acupuncture point on the left leg may precipitate a strange warm or numb sensation in the right shoulder.

Acupuncture needling sensation is probably best defined by some patient's statement: "When needling sensation is experienced, the needle no longer feels like a needle!"

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