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Pain In
The Neck, Pain In The Shoulder, Pain In The Back
 | Original Publication: DICTA
(Publication of the KBA) |
 | Author: Bonnie Holmes, Tennessee Valley
Authority |
 | Date Published: February, 2000 |
According to Safety
Mentor, published by the U.S. Department of Labor and U.S. Department of
Education, over 1600 office employees suffer injuries in the workplace
each week. Workplace injuries include slipping on wet floors to paper
cuts to back injuries to those related to office automation. The most
expensive are back injuries and repetitive motion injuries.
Firms can avoid many
injuries by keeping office areas organized and clean. Periodically check
for hazards, such as broken chairs, electrical cords crossing walking
areas or isles, spills, and improperly loaded filing cabinets.
However, the primary
source of office injuries may not be that obvious. Frequently, the
source is a lack of movement or improper movement. Although we may think
that low back problem usually involves heavy physical work, individuals
whose job involves sitting or standing for long periods are also at
greater risk. Understanding how equipment, tasks, and human structure
interrelate can help in avoiding injuries. The two most important
aspects involve how employees physically interact with equipment and
their range of motion in completing tasks.
Major back injuries are
due to: using the back like a crane (the "c" position);
improper lifting, reaching and twisting; poor sitting posture; poor
physical condition; and personal stress. To avoid back injuries,
instruct employees to: 1) maintain a straight back when lifting, using
the large joints as levers, 2) keep lifted objects close to the body,
and 3) avoid reaching, twisting, and bending forward when handling
objects. Try to avoid putting the back into a curved or "c"
position. One way to do this is to imagine that you have a straight pole
tied to your back from the neck to waist.
Office work involves
office furniture. Frequently, firms use office furniture designed for
typewriters rather than computers. Consequently, problems arise from
improper positioning of chairs, computer monitors, the mouse, and
telephone. Health problems frequently reported by office workers include
headaches; neck, shoulder, and lower back pain; irritability;
deteriorated vision, eye strain, blurred vision, and eye irritation.
Occupational health and safety specialists attribute many of these
problems to improper positioning of office equipment and furniture.
The best furniture is
adjustable to meet the physical requirements of a wide range of
employees. The chair should:
 |
have a minimum of
five legs with castors (this puts less strain on the back in
adjusting positions); |
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be adjustable,
allowing the thighs to be in a horizontal position while the feet
are flat on the floor or other surface; |
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have a seat with
sufficient depth to allow back support while the knee is
comfortable. Use a small pillow to give greater support between
the back and chair rest if support is still insufficient after
adjustment; |
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have an adjustable
back rest that fits the low back curvature; and, |
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be comfortable. |
After correctly positioning the chair,
the proper desk or work surface height can be determined. The employee's
elbow should rest at a 90 degree angle.
For those without bifocals or
trifocals, position the top of the monitor screen at slightly below eye
level. If the employee uses bifocals or trifocals, position the monitor
so that the employee can view the screen without stretching or tipping
the head backward. Make monitor adjustments by lowering or raising the
work surface or placing the monitor on flat surge protectors or other
stable surfaces.
Reduce monitor glare by reducing
overhead lighting and adding desk lamps, placing monitors 90 degrees to
a window, adjusting blinds, tipping the monitor slightly downward, and
cleaning the monitor screen.
The correct keyboarding position for
employees is with forearms parallel to the floor and elbows at the side.
Adjustable keyboards that range from 25 to 31 inches usually accommodate
all employees. Use a keyboard extension, if necessary, to locate the
mouse near the keyboard. For those who frequently use the mouse, this
position avoids improper repetitive reaching.
Position the document holder between
the monitor and keyboard at the same height and angle as the monitor.
The key is to minimize neck rotation.
Some employees experience neck pain
caused by improper telephone positioning. Place the telephone receiver
close enough to avoid constant extensions of the arm. Employees should
avoid cradling the telephone between the shoulder and head. If employees
tend to cradle the telephone due to multiple tasks, consider adding
speaker features or a headset.
Avoiding injury involves correct
positioning and movement. An easy formula to remember is the "90
degree" position. Adjust office furniture and equipment to provide
for positioning the: ankle joint, knee, hip joint, and elbow at 90
degrees; the neck relatively straight; the wrist straight; and, the
shoulder at zero degrees of flexion.
In addition encourage employees to:
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Vary activities by
shifting from keyboarding to filing or telephone work. |
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Position frequently
used objects (such as the telephone, message pad, and writing
instruments) close to the body to avoid awkward positions and
frequent reaching. |
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Staple, keyboard,
and hole punch with minimum force. |
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Try stretching
exercises throughout the day. |
Desk and work station exercises can be
simple and easy to do. For that wrist pain: stand with arms outstretched
in front; gently flex the wrists up and down; rotate the hands in
circles for 5 minutes.
For eye strain: start with long, deep
breaths; relax the shoulders; slowly inhale while gradually looking to
the far left; exhale and repeat to the far right; keep shoulders and
head still; complete three sets; blink the eyes for ten seconds; close
the eyes and complete three long breaths.
For back discomfort (no slouching at
the desk): stretch every 10 minutes; start with the back straight and
feet flat on the floor; slowly lower the arms to the thighs; stretch the
back by reaching out with the crown and lengthening the spine; lower the
chest to the thighs; and relax the head. If the chin can comfortably
rest on the knees, slowly lower the hands to the floor and walk the
fingers to the toes. Breathe deeply five to ten times. Slowly reverse
the process, stacking the vertebrae one at a time until sitting straight
again.
Employees are a significant firm
investment. Preventing injury and promoting health and safety promotes
efficiency and productivity. Good posture, correctly positioned office
furniture and equipment, proper movement, and periodic stretching
exercise can reduce the risk of workplace injury.

Date
this site was last updated:
June 01, 2010
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