Repetitive strain
| Repetitive strain injury | |
|---|---|
| Synonyms | Cumulative trauma disorders, repetitive stress injuries, repetitive motion injuries or disorders, occupational or sports overuse syndromes |
| |
| Poor ergonomic techniques by computer users is one of many causes of repetitive strain injury | |
| Specialty | Sports medicine, orthopedics |
| Symptoms | Sore wrists, aching, pulsing pain, tingling, extremity weakness |
| Complications | Torn ligaments |
| Causes | Repetitive actions, poor technique |
| Risk factors | Sedentary lifestyle, smoking, alcohol consumption |
| Prevention | Proper technique, regular rests, regular exercise |
| Deaths | Unknown |
| Classification | |
|---|---|
| External resources |
A repetitive strain injury (RSI, also known as work-related musculoskeletal disorders (WRMSDs), is an "injury to the musculoskeletal and nervous systems that may be caused by repetitive tasks, forceful exertions, vibrations, mechanical compression, or sustained or awkward positions".
Some examples of symptoms experienced by patients with RSI are aching, pulsing pain, tingling and extremity weakness, initially presenting with intermittent discomfort and then, with a higher degree of frequency.
Repetitive strain injury (RSI) and associative trauma orders are umbrella terms used to refer to several discrete conditions that can be associated with repetitive tasks, forceful exertions, vibrations, mechanical compression, or sustained/awkward positions. Extreme temperatures have also been reported as risk factor for RSI by different investigators. Examples of conditions that may sometimes be attributed to such causes include edema, tendinosis (or less often tendinitis), carpal tunnel syndrome, cubital tunnel syndrome, De Quervain syndrome, thoracic outlet syndrome, intersection syndrome, golfer's elbow (medial epicondylitis), tennis elbow (lateral epicondylitis), trigger finger (so-called stenosing tenosynovitis), radial tunnel syndrome, ulnar tunnel syndrome, and focal dystonia.
A general worldwide increase since the 1970s in RSIs of the arms, hands, neck, and shoulder has been attributed to the widespread use in the workplace of keyboard entry devices, such as typewriters and computers, which require long periods of repetitive motions in a fixed posture.
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