The effect of facial and trapezius muscle tension on respiratory impedance in asthma.

@article{Lehrer1997TheEO,
  title={The effect of facial and trapezius muscle tension on respiratory impedance in asthma.},
  author={Paul M Lehrer and P Generelli and Stuart M. Hochron},
  journal={Applied psychophysiology and biofeedback},
  year={1997},
  volume={22 1},
  pages={43-54}
}
This study tested two theories about the relationship between voluntary changes in muscle tension and pulmonary function in asthma. Kotses has theorized that decreased facial muscle tension decreases respiratory impedance via a hypothesized vagaltrigeminal reflex, but that muscle tension in other muscle groups has no such effect. Others have suggested that decreased thoracic muscle tension improves pulmonary function. Subjects were 19 volunteer asthmatic adults. They performed 3-minute cycles… CONTINUE READING

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