PHORCYS UNDERWATER ACTIVITIES – EPISODE#56


“COUSTEAU MANEUVER (B.T.V)”
Part#01 Cousteau Maneuver or
Beance Tubaire Voluntaire ( BTV), is a maneuver which does not imply
pinching of the nostrils. It relies upon voluntary constriction
of deglutition muscles. Those muscles have attachments
to the orifice of the Eustachian tube. Therefore, constriction of the muscles opens
the rhinopharyngeal ostium of the tube, producing automatic equalization
of the middle ear.

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