Analysis of the pulmonary functions of normal adults according to pillow
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Authors: | KyoChul Seo MiSuk Cho |
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Institution: | 1) Department of Physical Therapy, Korea Nazarene University, Republic of Korea |
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Abstract: | Purpose] The purpose of this study is to examine changes in pulmonary functions in
relation to the sleeping positions of the experimental subjects. Subjects and Methods]
The subjects for this study were twenty randomly selected males and females from K
University. Measurements were taken in the supine position at three different pillow
heights: 0 cm, 5 cm, and 10 cm. Pulmonary functions (vital capacity, tidal volume,
inspiratory reserve volume, and expiratory reserve volume) were evaluated using a Fit
mate. Results] These findings suggest that a pillow height of 5 cm makes a significant
difference in vital capacity (VC). When the three pillow heights were compared,
significant differences were seen between 0 cm and 5 cm, and between 5 cm and 10 cm, in
terms of vital capacity for the pulmonary functions among the three positions.
Conclusion] In conclusion, changing the positions of the subjects produces changes in
pulmonary functions. The greatest change occurred in the 5 cm pillow height. Presumably,
ventilation is affected by the body structures. The results will provide objective data to
establish the most suitable positions for stroke patients when they perform respiratory
exercises.Key words: Pulmonary function, Pillow, Height |
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