Knee replacement is regarded as one of the most sucessful medical interventions (1); over a hundred-thousand knee replacements were performed across the UK last year (2). This number is ever-increasing in the context of an ageing population (2). Whilst knee replacement is undoubtedly effective, a key and often variably implemented part of rehabilitation is the subsequent physiotherapy (3).
Current physiotherapy provision has several problems. Firstly, it is expensive (4). Secondly, there is a shortage of physiotherapists in the NHS. Models have shown that an extra 500 physiotherapists need to join the workforce each year just to keep track with demand (5). As a result, patients will only see a physiotherapist once or twice after a knee replacement. Thirdly, a significant proportion of patients have poor compliance to physio (6).
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