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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


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