Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/6999
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Full metadata record
DC Field | Value | Language |
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dc.contributor.author | Pontifex, E. | - |
dc.contributor.author | Williams, M. | - |
dc.contributor.author | Lunn, R. | - |
dc.contributor.author | Parsons, D. | - |
dc.date.issued | 2002 | - |
dc.identifier.citation | Journal of Physiotherapy, 2002; 48(3):209-213 | - |
dc.identifier.issn | 0004-9514 | - |
dc.identifier.issn | 1449-2059 | - |
dc.identifier.uri | http://hdl.handle.net/2440/6999 | - |
dc.description.abstract | Coughing and huffing have been shown to be effective airway clearance techniques and some authors have anecdotally reported that a huff requires less energy than a series of coughs commencing and finishing at the same lung volume. The aim of this study was to determine whether there is a difference in the energy expenditure between periods of huffing and directed voluntary coughing commencing from the same initial lung volume in young asymptomatic subjects. Energy expenditure was measured using open-circuit indirect calorimetry equipment. Twenty-four non-smoking asymptomatic subjects (12 male, 12 female, aged 18-24 years), without any form of disease and within 10% of their predicted pulmonary function, completed the study. Energy expenditure was measured over three 10min, randomly ordered sessions of huffing, directed coughing and rest. The forced expiratory sessions comprised a single huff or double-barrel cough (both starting at total lung capacity) at the end of every two minutes. Each session was separated by a 5min washout period. No significant difference in energy expenditure was found between the huffing and directed coughing periods (mean difference 0.003 mL/kg/min (95% CI -0.160 to 0.114) and both produced significantly greater energy expenditure than rest (rest and huff mean difference 0.309 mL/kg/min (95% CI 0.080 to 0.549) and rest and cough mean difference 0.306 mL/kg/min (95% CI 0.074 to 0.508)). The suggested benefits of huffing versus coughing in terms of energy conservation are yet to be shown. | - |
dc.description.statementofresponsibility | Edward Pontifex, Marie T Williams, Rebecca Lunn and David Parsons | - |
dc.language.iso | en | - |
dc.publisher | Australian Physiotherapy Assoc | - |
dc.rights | © Australian Physiotherapy Association | - |
dc.source.uri | http://ajp.physiotherapy.asn.au/AJP/vol_48/3/volume48_number3.cfm | - |
dc.subject | Cough | - |
dc.subject | Energy Metabolism | - |
dc.subject | Lung Volume Measurement | - |
dc.subject | Respiratory Disorders | - |
dc.title | The effect of huffing and directed coughing on energy expenditure in young asymptomatic subjects | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1016/S0004-9514(14)60225-7 | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | Parsons, D. [0000-0003-1746-3290] | - |
Appears in Collections: | Aurora harvest Paediatrics publications |
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