Objectives: To examine the effectiveness and feasibility of a community-based aquatic exercise programme for elders with osteoarthritis of the knee.Design: Prospective intervention study, with a before-and-after design. Setting: Community elders.Participants: Twenty elders aged 65 years or above (mean, 72 years) attending four Elderly Health Centres of the Department of Health who had suffered from osteoarthritis of the knee for at least 3 years and with mild-to-severe knee pain.Intervention: A 10-week aquatic exercise programme designed and led by physiotherapists. Main outcome measures:Range of motion and power of extension of the knees, functional reach test, repeated sit-to-stand test, and the Chinese Arthritis Impact Measurement Scales 2. Results:There was an improvement in the median range of knee flexion from 115° to 125° (P<0.01) and the median strength of the quadriceps from 9 kg to 21 kg (P<0.001). The median score of the functional reach test increased from 20 cm to 28 cm (P<0.001) and the repeated sit-to-stand test from 10 to 14 repetitions (P<0.001). Also, there Physiotherapist-designed aquatic exercise programme for community-dwelling elders with osteoarthritis of the knee: a Hong Kong pilot study New knowledge added by this study • This physiotherapist-designed aquatic exercise (PDAE) programme significantly improves knee functions, symptoms, and psycho-social functioning of the Hong Kong Chinese knee osteoarthritis (OA) sufferers.• The PDAE programme was effective and feasible in community settings. Implications for clinical practice or policy • This study showed that OA knee sufferers can improve in terms of knee symptoms and functioning by means of the PDAE programme used in a community setting.• The findings support the application of PDAE programme as a form of long-term self-management for OA knee.
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