Manual hyperinflation – effects on respiratory parameters Shane Patman Senior Physiotherapist, Royal Perth Hospital Wellington Street Perth WA 6001 Australia Sue Jenkins Associate Professor, School of Physiotherapy Curtin University of Technology Selby Street Shenton Park WA 6008 Australia Kathy Stiller Senior Physiotherapist, Royal Adelaide Hospital North Terrace Adelaide SA 5000 Australia Reprint requests to S Patman