According to the Chartered Society of Physiotherapy (CSP), which represents 48,000 physiotherapists, 213,000 people had a musculoskelatal upper limb or neck disorder caused or made worse by work last year.
The group said figures show businesses and the Government have not done enough to tackle the problem over the last six years, even though RSI costs companies£300m a year in sick pay and lost productivity.
The report by the CSP found staff were not offered access to occupational health services despite workers' concern of RSI.
CSP spokeswoman Pauline Cole said: 'The CSP is calling on the Government to both encourage and enforce measures to address this with legislation, combined with incentives and best practice guidance. We may then, after the frustration of many years of no progress, begin to see some reduction in the rates of this almost completely preventable condition.'
She added that more needs to be done to stop the problem occurring and, if it does occur, to provide early intervention treatments to prevent the problem getting worse.
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