Repetitive Strain Injury (RSI)
RSI is a broad and generic
term that encompasses a variety of injuries resulting form cumulative trauma to
the soft tissues of the body, including tendons, tendon sheaths, muscles,
ligaments, joints, and nerves. Such injuries are typically associated with the
soft tissues of hands, arms, neck, and shoulders.
Occupations ranging from
meatpackers to musicians have characteristic RSIs
that can result from the typical tasks they perform. The rise of computer use
and flat, light-touch keyboards that permit high speed typing have resulted in
an epidemic of injuries of the hands, arms, and shoulders.
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Carpal Tunnel Syndrome (CTS)
CTS is
the most widely known repetitive strain injury. The carpal tunnel is the area
inside the wrist through which the median nerve passes. It is formed by the
wrist bones and a ligament. CTS is typically caused by
repeated and cumulative stress on the median nerve. Symptoms of CTS include
numbness, a tingling sensation, and pain in the fingers, hand, and wrist.
Evidence suggests a higher
incidence of CTS among women than men. According to a study, the overall
incidence rate for CTS is increasing at a rate of more than 15 % per year.
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