Repetitive strain injuries

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A work injury may arise from repetitive work activities and/or poor ergonomics, resulting in a repetitive strain injury. Find out what injuries are considered repetitive strain injuries, the risk factors for repetitive strain injuries and factors that may or may not support a repetitive strain injury claim.

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A work injury may arise from repetitive work activities and/or poor ergonomics, resulting in a repetitive strain injury. These injuries can result in pain, fatigue and a decline in work performance.

Repetitive strain injuries include, but are not limited to:

  • carpal tunnel syndrome
  • epicondylitis (tennis or golfer’s elbow)
  • cubital tunnel syndrome
  • tendonitis
  • rotator cuff
  • shoulder impingement syndrome
  • radial tunnel syndrome
  • thoracic outlet syndrome
  • trigger finger
  • disablements from vibrations

Risk factors for repetitive strain injuries

There are three major risk factors for repetitive strain injuries in the workplace:

  1. Repetition: The number of times a specific activity is repeated and the percentage of the workday it occurs.
  2. Force: The weight or impact of an object being handled and/or the force of body action required to carry out an activity.
  3. Ergonomics: Body positioning, both static and dynamic, required to do an activity and the setup of the work area.

Daily job duties can lead to a workplace repetitive strain injury if there is a high repetition and force in your daily tasks. Poor ergonomics can increase this risk even further.

Risk factors for repetitive strain injuries
Factors that may support a repetitive strain injury claim*Factors that do not support a repetitive strain injury claim*
a precise symptom onset during a work activitysymptom onset away from employment
new activities in your jobactivities performed for many years
recent increase in activities at workrecent increase in activities outside of work
your age and years of activityother medical considerations, such as medications or therapies
improved symptoms away from workbilateral symptoms without bilateral activity
 continuing or increasing symptoms away from work

* These factors are not used as the sole basis for accepting or denying a claim.

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