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Air Bags
Excerpted from
Arnold
Jacobs: Song and Wind*
 Using a five or six liter rubber bag,
inhalation and exhalation can be practiced. Since
the same air is breathed, carbon dioxide, rather
than oxygen, is transferred avoiding
hyperventilation.
Practice emptying and filling the lungs by
slowly rebreathing air several times in a row. In
this exercise the muscles of enlargement will
learn to work apart from the muscles of reduction.
It is important that the lungs go from extremes,
empty to full. Rebreathing air from a breathing
bag can be done repeatedly for about twenty
seconds without discomfort.
An air bag can also be used as a rough gauge of
a person's vital capacity. Another use is with an
instrument. After a full inhalation, exhale into
the bag filling it as much as possible. Hold the
air in the bag with a finger over the tube. After
positioning the instrument for playing inhale from
the bag and start playing the instrument. The bag
gives a visually known quantity of air.
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*Arnold Jacobs: Song and Wind. Copyright ©1996
by Brian Frederiksen. Printed in the United States
of America. All rights reserved. No part of this
book may be reproduced in any form or by any
electronic or mechanical means without permission
in writing from the author. |
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