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Computing (FOLDOC) dictionary
overuse strain injury
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medical (Or "repetitive strain injury", RSI, "repetitive
strain disorder") Any tendon or muscle injury resulting from
overuse, usually in the hand, wrist, or arm. Injury may be
caused by any combination of repetitive, unacustomed, or
prolonged movements, forcefulness, or an awkward position
(often due to bad ergonomics). The symptoms are pain,
tingling, weakness, numbness, swelling, cracking, stiffness,
or reduced coordination.
Common conditions are:
Carpal tunnel syndrome, where swelling of the membrane linings
in your wrist surrounding the tendons that bend your fingers
compresses the median nerve. This may result in numbness and
pain in the hand, arm, shoulder, and neck.
Tennis elbow, where rotating your wrist and using force causes
a form of epicondylitis.
Tendinitis, where unacustomed exercise or repeated awkward
movements inflame wrist, elbow, or shoulder tendons, often
leading to severe stiffness.
Trigger finger, a popping or catching sensation when you bend
your finger, wrist, or shoulder. This form of tenosynovitis
is caused by repetitive hand movements.