Respiratory dynamics during laughter.

  title={Respiratory dynamics during laughter.},
  author={Mario Filippelli and Rachela Pellegrino and Iacopo Iandelli and Gianni Misuri and Joseph R. Rodarte and Roberto Duranti and Vito Brusasco and Giuseppina Scano},
  journal={Journal of applied physiology},
  volume={90 4},
Lung and chest wall mechanics were studied during fits of laughter in 11 normal subjects. Laughing was naturally induced by showing clips of the funniest scenes from a movie by Roberto Benigni. Chest wall volume was measured by using a three-dimensional optoelectronic plethysmography and was partitioned into upper thorax, lower thorax, and abdominal compartments. Esophageal (Pes) and gastric (Pga) pressures were measured in seven subjects. All fits of laughter were characterized by a sudden… CONTINUE READING
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No laughing matter

  • RH Moreno, JC Hogg, PD Paré
  • Lancet
  • 1999

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