Positive expiratory pressure (PEP) therapy is an effective method for removing mucus build-up in the lungs of sufferers of chronic lung diseases such as cystic fibrosis (CF). However, the compliance by young children and adolescents to undertake such physiotherapy can lead to confrontation and stressful situations within families, and can impact on the health of the individual. We have developed game software which is controlled through breathing into a PEP mask or mouthpiece using an air pressure sensor to interface with the PC. By combining games with mucus clearing devices, it could provide a powerful means of encouraging children, teenagers and adults to engage more frequently, and effectively, with vital mucus clearance physiotherapy. This paper presents promising initial results and describes further usability testing plans.
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