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They’re not making it up: people with no obvious nerve damage may still be
suffering from repetitive strain injury, says a team at University College
London. Using magnetic resonance imaging to view the patients’ wrists when they
flexed and extended them, the researchers showed that their medial nerves moved
less than normal (The Lancet, vol 354, p 217). This suggests that
specialist physiotherapy designed to improve nerve movement might solve the
problem.