computer workstations 2007

Post on 29-May-2018

216 views

Category:

Documents

0 download

Embed Size (px)

TRANSCRIPT

  • 8/8/2019 Computer Workstations 2007

    1/54

    COMPUTERCOMPUTER

    WORKSTATIONSWORKSTATIONS

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

  • 8/8/2019 Computer Workstations 2007

    2/54

  • 8/8/2019 Computer Workstations 2007

    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.

  • 8/8/2019 Computer Workstations 2007

    4/54

  • 8/8/2019 Computer Workstations 2007

    5/54

  • 8/8/2019 Computer Workstations 2007

    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.

  • 8/8/2019 Computer Workstations 2007

    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.

  • 8/8/2019 Computer Workstations 2007

    8/54

  • 8/8/2019 Computer Workstations 2007

    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.

  • 8/8/2019 Computer Workstations 2007

    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

  • 8/8/2019 Computer Workstations 2007

    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.

  • 8/8/2019 Computer Workstations 2007

    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.

  • 8/8/2019 Computer Workstations 2007

    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.

  • 8/8/2019 Computer Workstations 2007

    14/54

    TIPS FOR SETTING UP YOURTIPS FOR SETTING UP YOUR

    COMPUTER WORKSTATIONCOMPUTER WORKSTATION

  • 8/8/2019 Computer Workstations 2007

    15/54

  • 8/8/2019 Computer Workstations 2007

    16/54

    1 Chair1 Chair

  • 8/8/2019 Computer Workstations 2007

    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.

  • 8/8/2019 Computer Workstations 2007

    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.

  • 8/8/2019 Computer Workstations 2007

    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!)

  • 8/8/2019 Computer Workstations 2007

    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.

  • 8/8/2019 Computer Workstations 2007

    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

  • 8/8/2019 Computer Workstations 2007

    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.

  • 8/8/2019 Computer Workstations 2007

    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..

  • 8/8/2019 Computer Workstations 2007

    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

  • 8/8/2019 Computer Workstations 2007

    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.

  • 8/8/2019 Computer Workstations 2007

    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.

  • 8/8/2019 Computer Workstations 2007

    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.

  • 8/8/2019 Computer Workstations 2007

    28/54

    Too much space indicates thatToo much space indicates that

    the seat pan is too smallthe seat pan is too small

  • 8/8/2019 Computer Workstations 2007

    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.

  • 8/8/2019 Computer Workstations 2007

    30/54

    The angle of the backrest shouldThe angle of the backrest should

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

  • 8/8/2019 Computer Workstations 2007

    31/54

  • 8/8/2019 Computer Workstations 2007

    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).

  • 8/8/2019 Computer Workstations 2007

    33/54

    Not like this!Not like this!

  • 8/8/2019 Computer Workstations 2007

    34/54

    But do lean back againstBut do lean back against

    the back restthe back rest

  • 8/8/2019 Computer Workstations 2007

    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.

  • 8/8/2019 Computer Workstations 2007

    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.

  • 8/8/2019 Computer Workstations 2007

    37/54

    KeyboardKeyboard

    &&

    MouseMouse

  • 8/8/2019 Computer Workstations 2007

    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..

  • 8/8/2019 Computer Workstations 2007

    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

  • 8/8/2019 Computer Workstations 2007

    40/54

    Keep wrists neutralKeep wrists neutral

    Dont DoDont Do

  • 8/8/2019 Computer Workstations 2007

    41/54

    The mouse must be placedThe mouse must be placed

    beside the keyboard at the samebeside the keyboard at the same

    level.level.

  • 8/8/2019 Computer Workstations 2007

    42/54

  • 8/8/2019 Computer Workstations 2007

    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

  • 8/8/2019 Computer Workstations 2007

    44/54

  • 8/8/2019 Computer Workstations 2007

    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.

  • 8/8/2019 Computer Workstations 2007

    46/54

    MonitorMonitor

  • 8/8/2019 Computer Workstations 2007

    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.

  • 8/8/2019 Computer Workstations 2007

    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

  • 8/8/2019 Computer Workstations 2007

    49/54

    TOO HIGHTOO HIGH

  • 8/8/2019 Computer Workstations 2007

    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

  • 8/8/2019 Computer Workstations 2007

    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.

  • 8/8/2019 Computer Workstations 2007

    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.

  • 8/8/2019 Computer Workstations 2007

    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.

  • 8/8/2019 Computer Workstations 2007

    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..