Computer-Related Repetitive Stress Injuries

Computer-Related Repetitive Stress Injuries

Lea este articulo en EspanolWhether typing a school report or surfing the Internet, kids often spend hours at the computer. So it's important for parents to know about the causes of repetitive stress injuries and how to prevent them.

About Repetitive Stress Injuries

Repetitive stress injuries (RSIs) are conditions caused by placing too much stress on a joint, and they vary in type and severity. Most RSIs are linked to the stress of repetitive motions at the computer or overuse injuries in sports. RSI in kids may occur from heavy computer or video game use, texting, playing musical instruments, or the repetitive motion of sports like tennis.

An RSI occurs when stress is placed on a joint, pulling on the tendons and muscles around the joint. When the stress occurs repeatedly, the body does not have time to recover and becomes irritated. The body reacts to the irritation by increasing the amount of fluid in that area to reduce the stress placed on the tendon or muscle.

Conditions that are the result of RSIs include:

Fortunately, most kids don't have RSIs. Taking preventive measures and redesigning your home computer environment can help make sure your kids don't develop them.

Preventing RSIs

Preventive measures can help kids avoid RSIs altogether:

Remind kids that pounding on the keyboard is unnecessary and can hurt both them and the keyboard! Using a light touch to type is best. Also, be sure that they don't reach for the keys; if so, the keyboard should be moved closer. Kids should maintain a 90-degree angle between the wrists and elbows and the upper part of the arms. Fingers and wrists should remain level while typing.

Taking frequent breaks is also a important to preventing RSIs. Kids can lose track of time and forget to take breaks, so make sure they rest their eyes, back, wrists, and neck every half hour or so.

Stretching, getting a snack or a drink, or walking or taking a bike ride can help kids avoid future pain. Eye twitching; sore, tired, burning, itching, or dry eyes; blurred or double vision; and increased sensitivity to light are all symptoms of eyestrain, so tell kids to look away from the computer and focus on something far away every once in a while. Proper lighting of the workspace will also help to prevent eyestrain.

Finally, set a good example yourself. If you stare at a computer screen in dim lighting for hours without taking a break, kids will get the message that it's OK.

Many times, RSIs are caused by using the wrong tool for the job. Because most computer systems are designed for the body of a 25-year-old man, be sure to get chairs, monitors, input devices, and keyboards that are suitable for your kids' size.

Getting Ergonomic

Proper computer placement, correct typing and sitting positions, and well-designed furniture will make your computer environment ergonomic (which means to make equipment use less fatiguing and uncomfortable) and prevent RSIs.

In computer usage — as with other equipment — the goal is to decrease both force and repetition, to ensure adequate rest breaks, and to achieve good positioning and good support.

Computer furniture can prove to be an ergonomic hazard if it does not adjust to promote good posture and hand positions. Don't put your new computer on a discarded desk with an old kitchen chair pulled up to it because these products don't give proper support.

Go for maximum adjustability in the set-up — from the desk and chair height to the position of the keyboard relative to the elbows and trunk to the height of the monitor — because kids come in all different heights and sizes.

These guidelines will help you make your family's workplace ergonomically correct:

Some keyboards feature function keys arranged in a convenient circular format, rather than on the side or top of the keyboard in rows or columns. Many have a "curved" or split design that promotes what ergonomists believe is a more natural position for hands and wrists, with the palms turned slightly toward each other (a position knows as pronation), rather than flat relative to the keyboard. In addition, a trackball can be substituted for a mouse.

Also, sitting on a therapy/gym ball can help encourage good posture.

Treatment of RSIs

Repetitive strain (also called cumulative trauma) symptoms include tingling, numbness, and searing pain, which indicate the presence of progressive nerve and muscle damage. If your child complains of excessive fatigue or stiffness in the neck or back or any of these other symptoms, a visit to the doctor is in order.

Treatments for RSI vary; your doctor may prescribe cold treatments to reduce swelling and pain and rest to reduce irritation and speed up healing. Once the swelling and pain has gone away, the doctor may suggest a rehabilitation program to exercise the muscles slowly and prevent loss of movement in the joint. Another part of treatment might be anti-inflammatory medication to reduce the pain.

Parents can install keyboard trays, pads, or alternative curved keyboards; change the location or position of seating, and the height of desks and keyboards; or adjust the height of computer screens and video monitors to create an ergonomically correct work station for the whole family.

Given the importance of computers in our everyday lives, parents and kids should strive to make adjustments to their computer environments to keep themselves healthy.

Reviewed by: Wendy Harron, BS, OTR/L
Date reviewed: March 2014

Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor.

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Related Resources
OrganizationAmerican Academy of Orthopaedic Surgeons (AAOS) The AAOS provides information for the public on sports safety, and bone, joint, muscle, ligament and tendon injuries or conditions.
OrganizationAmerican Physical Therapy Association This organization provides information on physical therapy, from therapists in each state to current research.
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