What is ergonomics in dt

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The application of measurements to products, in order to improve their human use, is called Ergonomics. The diagram below shows, a table of anthropometric data measurements and how these are applied to the hand. Adults and children come in all shapes and sizes. We all like or dislike colours, texture, sounds, tastes, flavours, forms and shapes. Consequently, when we design products, factors such as these should be kept in mind. When designing a toy there are a number of points to consider.

Children learn from sound, sight, colour, movement and other aspects. These all contribute to the ergonomics or anthropometrics of a design. For example: When designing a chair, one of the most important factors is comfort.

This is linked closely to the seating height. Usually the seating height is calculated by measuring the most comfortable height for the person who is going to use the chair. If the chair is to be used by numerous people such as in a Doctors waiting room , it is important to measure the comfortable seating height of a range of people and then work out the average height.

The average seating height is then applied to the chair. It is difficult to design a product that everyone will be able to use with comfort, so products are often designed for the majority of the population, considered to be between the 5th and 95th percentile:.

Below is an example of a set of anthropometric data for adults. A designer is designing an emergency stop button for a machine, which must be able to be pressed quickly and easily with the whole palm of the hand by the majority of the population. Using the table above, what is the minimum size the emergency stop button should be? The handbreadth data from both tables provides the lowest 5 th and highest 95 th percentile data.

This is:. Lettering Look at the lettering examples below one is easy to read the other is quite hard to read from an ergonomic point of view. So it is important that you make your letting quick and easy to read for your posters, adverts and product packaging. Font style You must also choose a type that is easy to read for its function. For example an elaborate font would not be suitable for a fire extinguisher.

Colour Within your graphics you must ensure that the colour contract is easy to read. This is a very important ergonomic factor. The text must have contrast in order to be read easily. Anthropometrics Anthropometrics are concerned with the appliance of ergonomics to the human form and are used to explain the user or target range for your product. Anthropometric data is displayed within a table format. It shows the average measurements of the human form.