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Health and safety - working with computers

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Introduction: Many health problems can arise from working with computers. Articles appear regularly in the newspapers relating stories of employees who are suing their employers for computer-related illnesses. Whilst computers process data and perform calculations with complete accuracy, humans need food, rest and relaxation if they are to avoid headaches, stress, tired limbs and mistakes. This report aims to be describe health and safety issues related to the installation of computing systems, and then will describe that how the study of ergonomics can improve the classroom environment, the last will evaluate the ergonomic elements incorporated in our computer classroom. Main text: Health and safety Our desktop computer can cause more problems than ours know. Stress is often the cause of much work-related illness. Having too much to do in the time available, completing tasks, which are new to you and about which you are unsure, and sometimes not having enough to do, are all factors affecting stress at work. In some organisations, computers are used to monitor the volume of work completed. The resulting stress can cause headaches, stomach ulcers and sleeplessness. In some work roles it can be difficult to get away from work; the use of mobile phones and laptop computers mean that you may be working 'on the move' whilst having a modem at home means you can easily take work home with you. Anyone catching the early train to London (called the Master Cutler) will have seen busy executives tapping away on their laptops with a mobile under their chins, rather than relaxing with a newspaper. Computers have brought us so much information, and allow us to process it to suit our purposes. Many managers now suffer from information overload. There is just too much information too takes in. All this can mean that work takes over your life, and personal relationships suffer. A survey of 500 heads of departments revealed that over three quarters of respondents had suffered from failing personal relationships, loss of appetite, addiction to work and potential alcohol abuse (Heathcote, 1998). ...read more.


If text on the screen is too small, increase the font size, do not move monitor closer. Users with bifocal glasses should tilt their monitors slightly backwards. Lighting It should not be too bright or too dark. Always use light even though a computer screen is self-illuminating, there should not be a large contrast between the screen and the area surrounding it. Indirect lighting (that which illuminates the walls and ceilings), in combination with a task light, works best. If you do use a task light, position it as far away as possible and make sure that you cannot see the light source when you look at the screen. There should be no glare falling on the screen. If there is, reposition the workstation with regard to the light sources (natural or artificial). Be careful not to just move the monitor, resulting in a poor viewing angle. If repositioning alone does not work, use a good quality glass anti-glare screen. If left uncorrected, glare will cause discomfort, eyestrain, and headaches. Avoid very glossy work surfaces and furnishings, such as mirrors and shiny metal, which will contribute to glare. Noise and Ventilation Work in an environment with a level of noise that is comfortable for you. Working in an uncomfortably loud environment stresses the body and, as a result, the muscles tense up. This tension accelerates injury. If using headphones make sure they are at a comfortable noise level and that they fit properly. Workstation should be located in a well-ventilated area, with adequate heating and cooling in order to minimize discomfort. The right workstation Table height. To adjust the chair properly, look first at the height of the table or desk surface on which your keyboard rests. On the average, a height of 27-29 inches above the floor is recommended. Taller people will prefer slightly higher tables than do shorter people. If you can adjust your table, set your waist angle (see below) ...read more.


And remember that you may not even need a glare screen if you position your monitor in a way that does not encourage glare (refer to Lighting within Ideal Computer Workstation section). Support Braces/Gloves: There is no consistent research evidence that wearing wrist supports during computer use actually helps reduce the risk of injury. If you do like wearing a wrist support, make sure that it keeps your hand flat and straight, not bent upwards. There is some evidence that wearing wrist supports at night in bed can help relieve symptoms for those with Carpal Tunnel Syndrome. Conclusion: From the in formation above I thing ergonomic is a very good way too help us keep our health and safety, I recognise that our workstation is quite useful place. Example the light, is not too bright and not too dark, also our chairs, we could change the best position for ourselves, but the temperature is a little bit higher, so the user may not fill confidence, so the exercise is really necessary for us, fowling points are useful exercise in the classroom: * Deep Breathing: Breathe in slowly through the nose. Hold for 2 seconds, and then exhale through the mouth. Repeat several times. * Head and Neck: Turn head slowly from one side to the other, holding each turn for 3 seconds. Repeat several times. * Shoulders: Roll shoulders slowly in a circular fashion, while trying to make the circle as big as possible. Take about 5 seconds to complete one circle. Repeat several times. * Wrists: Hold your hands out in front of you. Slowly raise and lower your hands to stretch the muscles in the forearm. Repeat several times. * Fingers and Hands: Make a tight fist. Hold for a second. Then spread your fingers apart as far as you can. Hold for 5 seconds, then relax. Repeat several times. Ref: 1. http://ergo.human.cornell.edu/MBergo/schoolguide.html 2. Office ergonomics workbook (second edition) published by the Occupational Health Clinics for Ontario Workers Inc. HEALTH AND SAFETY AND ERGONOMICS 1 ...read more.

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