computer workstations 2007

8/8/2019 Computer Workstations 2007

1/54

COMPUTERCOMPUTER

WORKSTATIONSWORKSTATIONS

Is your workstation set up properly?Is your workstation set up properly?


2/54


3/54

Musculoskeletal injuries are mainlyMusculoskeletal injuries are mainlyassociated with the duration of:associated with the duration of:

the inactive, static nature ofthe inactive, static nature of

computing tasks,computing tasks,

improper positioning of the employeeimproper positioning of the employee

improper positioning and use ofimproper positioning and use offurniture and computer components.furniture and computer components.


4/54


5/54


6/54

Proper sitting positions:Proper sitting positions:

Angles or dimensions that areAngles or dimensions that are

'safe' are very difficult to specify.'safe' are very difficult to specify.


7/54

It means a range of angles andIt means a range of angles anddimensions, specific to andimensions, specific to an

individual, who is constantlyindividual, who is constantly

shifting to a new posture withinshifting to a new posture within

these parameters and itemsthese parameters and items

placed at correct height in closeplaced at correct height in closeproximity.proximity.


8/54


9/54

The provisions of furniture andThe provisions of furniture and

equipment, adjustable to fit theequipment, adjustable to fit the

variations in human size are veryvariations in human size are very

important.important.


10/54

Of greater importance is the fact,Of greater importance is the fact,

thatthat withoutwithout proper training, anproper training, anemployee can still use a properemployee can still use a proper

workstationworkstation incorrectlyincorrectly


11/54

The EHS office providesThe EHS office provides

workstation assessmentsworkstation assessments It includes training to makeIt includes training to make

employees aware of hazardsemployees aware of hazards

which may contribute to awhich may contribute to amusculoskeletal injury.musculoskeletal injury.


12/54

The EHS advisor, carries out theThe EHS advisor, carries out the

workstation assessment andworkstation assessment and

provides the supervisor with aprovides the supervisor with areport, includingreport, including

recommendations if necessary.recommendations if necessary.


13/54

The supervisor is expected toThe supervisor is expected to

follow up on thefollow up on therecommendations to correct anyrecommendations to correct any

deficiencies.deficiencies.


14/54

TIPS FOR SETTING UP YOURTIPS FOR SETTING UP YOUR

COMPUTER WORKSTATIONCOMPUTER WORKSTATION


15/54


16/54

1 Chair1 Chair


17/54

Make sure that your chair has aMake sure that your chair has a

stable base and castors.stable base and castors.A stable base should have 5A stable base should have 5

castors.castors.


18/54

On hard floors your chair shouldOn hard floors your chair should

be fitted with soft castorsbe fitted with soft castors(urethane) to prevent the chair(urethane) to prevent the chair

from rolling too fast.from rolling too fast.


19/54

On a carpeted floor your chair shouldOn a carpeted floor your chair should

have carpet castorshave carpet castors

Carpet castors are made from a hardCarpet castors are made from a hard

material, so that you can roll your chairmaterial, so that you can roll your chair

better (saves your back!)better (saves your back!)


20/54

Soft castors on carpet maySoft castors on carpet may

cause back problemscause back problems Carpet castors on a hard floorCarpet castors on a hard floor

may cause the chair to roll awaymay cause the chair to roll away

without you noticing.without you noticing.


21/54

Make sure that the foam on yourMake sure that the foam on your

chair is still in good shape.chair is still in good shape. You should not be able to feelYou should not be able to feel

the bottom of the chair whenthe bottom of the chair when

pushing on the foampushing on the foam


22/54

All adjustment levers shouldAll adjustment levers should

function properly, as well as thefunction properly, as well as thegas lifter, which is thegas lifter, which is the

mechanism that makes yourmechanism that makes your

chair go up and down.chair go up and down.


23/54

When seated at correct height, yourWhen seated at correct height, your

knees should be angled anywhereknees should be angled anywhere

between 90between 90--110110..


24/54

Your knees should never be lessYour knees should never be less

than 90than 90 This may cause back problemsThis may cause back problems


25/54

Your knees should never beYour knees should never be

beyond 110beyond 110At this height, the front of theAt this height, the front of the

seat pan may cut off your bloodseat pan may cut off your blood

circulation in your legs.circulation in your legs.


26/54

The seat pan fits you properly ifThe seat pan fits you properly if

you can place 2you can place 2--3 fingers in3 fingers inbetween the back of your legsbetween the back of your legs

and the front of the seat pan.and the front of the seat pan.


27/54

If there is no space, the seat panIf there is no space, the seat pan

may be too big, and you cantmay be too big, and you cantreach the back rest for properreach the back rest for proper

lumbar support.lumbar support.


28/54

Too much space indicates thatToo much space indicates that

the seat pan is too smallthe seat pan is too small


29/54

Also pay attention to the sides.Also pay attention to the sides.

You dont want to hang over.You dont want to hang over.


30/54

The angle of the backrest shouldThe angle of the backrest should

be adjusted to anywherebe adjusted to anywherebetween 90between 90--130130


31/54


32/54

Make sure that the lumbarMake sure that the lumbar

support of the backrest issupport of the backrest isadjusted to correct height.adjusted to correct height.

It should be placed in yourIt should be placed in your

lumbar area (lower back arealumbar area (lower back areathat naturally curves in whenthat naturally curves in when

standing).standing).


33/54

Not like this!Not like this!


34/54

But do lean back againstBut do lean back against

the back restthe back rest


35/54

Armrests should be adjustable inArmrests should be adjustable in

height as well as side ways.height as well as side ways.Armrests should be adjusted soArmrests should be adjusted so

that they dont interfere with yourthat they dont interfere with your

elbows when doing theelbows when doing thechicken.chicken.


36/54

The material of your chair shouldThe material of your chair should

be constructed of breathablebe constructed of breathable

material, unless your chair ismaterial, unless your chair is

used in a laboratory.used in a laboratory.


37/54

KeyboardKeyboard

&&

MouseMouse


38/54

While seated in your chair, letWhile seated in your chair, letyour arms hang down from youryour arms hang down from yourshoulders.shoulders.

Bring up your forearms, withBring up your forearms, withfingers stretched out, until theyfingers stretched out, until theyare parallel to the floor.are parallel to the floor.

Your elbows should form anYour elbows should form anangle in the range of 90angle in the range of 90--110110..


39/54

The keys of your keyboardThe keys of your keyboard

should be at the height whereshould be at the height where

your fingers areyour fingers are


40/54

Keep wrists neutralKeep wrists neutral

Dont DoDont Do


41/54

The mouse must be placedThe mouse must be placed

beside the keyboard at the samebeside the keyboard at the same

level.level.


42/54


43/54

If you have placed the keyboardIf you have placed the keyboard

and mouse on your deskand mouse on your desk

surface, you may not be able tosurface, you may not be able to

reach these items properlyreach these items properly


44/54


45/54

You can do two things:You can do two things:

1.1.Adjust the chair higher with theAdjust the chair higher with theuse of a foot stool, oruse of a foot stool, or

2.2. Install a keyboard tray.Install a keyboard tray.

3.3. You may want to contact theYou may want to contact the

EHS office for a workstationEHS office for a workstation

assessment.assessment.


46/54

MonitorMonitor


47/54

Place the monitor in line with thePlace the monitor in line with the

keyboard and yourself to preventkeyboard and yourself to prevent

neck and shoulder problems.neck and shoulder problems.


48/54

Place the monitor at correct levelPlace the monitor at correct level

The top of the monitor should beT

he top of the monitor should beat eye heightat eye height


49/54

TOO HIGHTOO HIGH


50/54

This will:This will:

Line up your head and neck withLine up your head and neck withyour spineyour spine

Prevent eye fatiguePrevent eye fatigue


51/54

Persons using bifocals orPersons using bifocals or

graduated lenses, should placegraduated lenses, should place

the monitor at a lower level andthe monitor at a lower level and

angled up so that their vision isangled up so that their vision is

perpendicular to the screen.perpendicular to the screen.


52/54

Another option is to have yourAnother option is to have your

optometrist fit you with specialoptometrist fit you with special

computer glasses.computer glasses.

Measure the distance betweenMeasure the distance between

your eyes and the screen.your eyes and the screen.


53/54

A question that is always asked:A question that is always asked:

How far away should theHow far away should the

monitor be placed from themonitor be placed from the

user?user?

Answer: If you can read it, thatsAnswer: If you can read it, thatsmost likely the correct distance.most likely the correct distance.


54/54

Another option, if you haveAnother option, if you have

difficulty seeing the content ondifficulty seeing the content on

the screen, is tothe screen, is to changechange

the font settingthe font setting..

computer workstations 2007

Documents