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Health and Safety and the use of ICT systems. AQA Unit 1 Section 1. Health & Safety Problems. Workers who use computers for long periods of time are susceptible to health problems. Many of these problems are avoidable.

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health and safety and the use of ict systems

Health and Safety and the use of ICT systems

AQA Unit 1

Section 1

tcowling 2009 based on Mott, Leaming & Williams

health safety problems
Health & Safety Problems
  • Workers who use computers for long periods of time are susceptible to health problems.
  • Many of these problems are avoidable.
  • You need to be aware of what the problems are and how they can be avoided

tcowling 2009 based on Mott, Leaming & Williams

repetitive strain injury
Repetitive Strain Injury
  • Symptoms include stiffness and swelling in the wrists and other joints.
  • RSI occurs if:
  • Users are carrying out repetitive tasks
  • Have positioned the keyboard so that they are at an awkward angle.
  • Are squeezing a mouse too tightly.
  • TUC data shows that 78% of younger workers have jobs that involve repetition and more that 2 million workers are forced to work in awkward positions.

tcowling 2009 based on Mott, Leaming & Williams

how to reduce rsi
How to reduce RSI
  • Using a wrist guard whilst typing.
  • Ensuring users vary their work so they are not always in the same position
  • Using specially designed “ergonomic” keyboards

tcowling 2009 based on Mott, Leaming & Williams

case study rsi
Case Study [RSI]
  • In 2006, 8 yr-old Isabelle Taylor from Lancashire, developed RSI after sending up to 30 texts a day for 2 years.
  • Experts said that youngsters who overuse gadgets can suffer inflammation in the upper arms and wrists adding that the thumb is particularly susceptible.
  • What advice would you give to Isabelle’s mother to reduce the risk of damage to her daughter’s health?

tcowling 2009 based on Mott, Leaming & Williams

back problems
Back Problems
  • Sitting at a computer for a long period of time can lead to back problems.
  • The symptoms are back pain or stiffness, possibly in the neck and shoulders.
  • Back Pain occurs if:
  • Users use PCs for a long period of time
  • Adopt a bad posture
  • Have their seat at an incorrect height.

tcowling 2009 based on Mott, Leaming & Williams

how to prevent back problems
How to prevent back problems
  • Largest cause of disability amongst workers in offices.
  • Having an ergonomically, adjustable swivel chair that supports the lower back.
  • Adjusting the chair to the correct height.
  • Adjusting the VDU to the correct position
  • Using a footrest
  • Taking regular breaks [5 minutes every hour]

tcowling 2009 based on Mott, Leaming & Williams

case study back problems
Case study [back problems]
  • “Bad posture while sitting at a computer is more likely to lead to back pain than lifting and carrying heavy objects” say the British Chiropractic Association.
  • What should an employer in an office based environment, provide to its staff in order to prevent back problems?

tcowling 2009 based on Mott, Leaming & Williams

eye strain
Eye strain
  • Looking at a computer screen for a long time can lead to eye strain.
  • The symptoms can include headaches and sore eyes
  • Eye strain occurs if:
  • Lighting in the room is at the wrong level
  • The VDU is of poor quality and flickers
  • Text is too small to read easily.

tcowling 2009 based on Mott, Leaming & Williams

how to prevent eye strain
How to prevent [Eye strain]
  • Having suitable lighting
  • Fixing screens so they don’t flicker
  • Having appropriate blinds on windows to prevent glare
  • Having regular eye tests to ensure vision is corrected

tcowling 2009 based on Mott, Leaming & Williams

epilepsy
Epilepsy
  • Flickering screens can contribute to the frequency of attacks
  • The use of low emission monitors and screen filters is likely to reduce the risk of triggering an attack

tcowling 2009 based on Mott, Leaming & Williams

stress
Stress
  • 9 out of 10 users say they are regularly annoyed by a computer related issue.
  • Issues include:
  • Slow performance
  • System crashes
  • Viruses
  • Pop-up ads

tcowling 2009 based on Mott, Leaming & Williams

how to prevent stress
How to prevent [Stress]
  • Install correct hardware that is capable of meeting tasks
  • Having a reliable support team
  • Providing users with adequate support and training
  • Going for a short walk to get fresh air.

tcowling 2009 based on Mott, Leaming & Williams

health safety and you
Health, Safety and YOU!
  • During this course, you will be using computer equipment for long periods of time.
  • You should:
  • Give yourself a 5 minute break every hour
  • Focus on a distant object every so often and then back to the screen
  • Ensure that you are not too cramped or sitting awkwardly.

tcowling 2009 based on Mott, Leaming & Williams

legislation
Legislation

NB: these regulations only apply to staff in offices and not to students in schools/colleges

  • Covered in Health and Safety Regulations 1992
  • Employers must take these measures:
  • Provide adjustable chairs
  • Provide screens that can be tilted
  • Provide anti glare filters if requested
  • Ensure work stations are not too cramped
  • Ensure room lighting is suitable
  • On request, provide and pay for eye tests for computer users.

tcowling 2009 based on Mott, Leaming & Williams

design of new software
Design of New Software
  • Designers need to be aware of users health when they design software.
    • Screen layouts should be clear so that eye strain is minimised
    • Colour schemes should not be too bright and should have good contrast to prevent eye strain
    • Help facilities should enable learning to prevent stress
    • Menu systems should be logical to prevent stress
    • Drop down lists can reduce data entry so prevent RSI

tcowling 2009 based on Mott, Leaming & Williams