This article is from the Magick Tantra FAQ, by Tyagi Nagasiva firstname.lastname@example.org, Catherine Yronwode email@example.com with numerous contributions by others.
Some form of this is common to all branches of tantra
yoga, as it is part of the yoga substrate from which
tantra yoga grew. Different breathing patterns are
recommended by teachers in different schools of tantra
yoga. Some of these involve hyperventilation, holding
the breath, and other counter-natural patterns of
inspiration. In karezza, synchronized slow breathing is
deemed sufficient breath-control. Taoist sexual alchemy,
in keeping with the Chinese interest in mystical numbering,
goes so far as to prescribe batteries of counted breathing
rhythms performed in conjunction with pelvic thrusts (e.g.
81 thrusts). In any form, breath control helps the
participants key into the neurological basis of orgasm
control. Synchronized breathing also helps the partners
align their peaks and valleys of sexual arousal and