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Repetitive Stress Injury

Repetitive strain injury (RSI) is a general term used to describe the pain felt in muscles, nerves and tendons caused by repetitive movement and overuse.

It's also known as work-related upper limb disorder, or non-specific upper limb pain.

The condition mostly affects parts of the upper body, such as the:

  • forearms and elbows

  • wrists and hands

  • neck and shoulders

Repetitive Strain Injury Causes, Symptoms & Risk Factors

Causes

RSI is related to the overuse of muscles and tendons in the upper body.

Certain things are thought to increase the risk of RSI, including:

  • repetitive activities

  • doing a high-intensity activity for a long time without rest

  • poor posture or activities that involve working in an awkward position

Cold temperatures and vibrating equipment are also thought to increase the risk of getting RSI and can make the symptoms worse. Stress can also be a contributing factor.

Jobs that involve repetitive movements can lead to RSI, such as working on an assembly line, at a supermarket checkout or on a computer.

Your work environment should be as comfortable as possible. You should ideally have a workplace assessment so that any adjustments needed can be made.

Your employer has a legal duty to try to prevent work-related RSI and ensure anyone who already has the condition doesn't get any worse.

Symptoms

The symptoms of RSI can range from mild to severe and usually develop gradually. They often include:

  • pain, aching or tenderness

  • stiffness

  • throbbing

  • tingling or numbness

  • weakness

  • cramp

At first, you might only notice symptoms when you're carrying out a particular repetitive action.

But without treatment, the symptoms of RSI may eventually become constant and cause longer periods of pain. You may also get swelling in the affected area, which can last for several months.

Prevention

Most employers carry out a risk assessment when you join a company to check that your work area is suitable and comfortable for you. You can request an assessment if you haven't had one.

There are also things you can do to help reduce your risk of getting RSI, such as:

  • maintaining good posture at work – see how to sit at a desk correctly 

  • taking regular breaks from long or repetitive tasks – it's better to take smaller, more frequent breaks than one long lunch break

  • trying breathing exercises if you're stressed

If you work at a computer all day, make sure your seat, keyboard, mouse and screen are positioned so they cause the least amount of strain.

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