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1.1.1 Ergonomics

Ergonomics is the relationship and interaction between people (aspects of the human body) and the products, systems and environments they use.

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A. Design in Theory

A1.1 Ergonomics

By the end of this topic, you should be able to...

describe how ergonomics is used to improve the design of a product by making a design more efficient, usable, functional, effective and safe.

Guiding Question

How do ergonomic considerations influence the design of a product?

What is Ergonomics?

Ergonomics is all about the relationship between people and the products they use. Think of it as the science of making things work well with human bodies. It studies how humans interact with products, systems, and environments to create designs that feel natural to use.


In simple terms, ergonomics answers questions like:

  • "Will this chair be comfortable for most people?"

  • "Can users easily reach all the buttons on this device?"

  • "Is this tool causing strain when used for long periods?"


Why Ergonomics Matters in Design

Good ergonomic design makes products:

  • Efficient - requiring less effort and time to use

  • Usable - intuitive and easy to operate

  • Functional - performing its intended purpose well

  • Effective - accomplishing tasks successfully

  • Safe - preventing injuries and reducing fatigue

Think about your smartphone. Its size, button placement, and screen dimensions weren't random choices - they were carefully designed to fit comfortably in your hand while allowing easy access to all functions.


Ergonomics in Action

When designers apply ergonomic principles, they're considering questions like:

  • How do electronic systems in products affect user comfort?

  • Can everyone, including people with different abilities, use this product easily?

  • How might the product's ergonomics change based on cultural differences?

Practical Applications for Students

As design technology students, you'll investigate ergonomics through activities like:

  1. Field Research: Observing real people using products to spot ergonomic issues

  2. SWOT Analysis: Evaluating existing products' ergonomic strengths and weaknesses

  3. Prototyping: Creating models optimized for human comfort, like improving grip size or lever placement

  4. Role-Playing: Stepping into the shoes of users with diverse physical abilities to test your design's accessibility

Making Connections

Ergonomics doesn't exist in isolation - it's deeply connected to:

  • User-Centered Design (UCD): Ergonomics provides the foundation for effective UCD approaches

  • Inclusive Design: Ergonomic considerations help ensure products work for people of all abilities

  • Designer Responsibility: Designers have an ethical duty to create products that don't harm users physically

Real-World Example

Imagine designing a computer mouse. Ergonomic considerations would include:

  • The curved shape that fits the natural resting position of your hand

  • Button placement that aligns with finger positions

  • Size variations to accommodate different hand dimensions

  • Weight distribution for comfortable extended use

By studying ergonomics, you'll develop the skills to create products that not only look good and function well, but also respect the physical needs and limitations of the humans who use them.



Linking Questions

  • How are user-centred research methods used to collect human factor data? (A2.1)

  • Which aspects of ergonomics are appropriate for user-centred design (UCD) practice? (B1.1)

  • How does ergonomics affect modelling and prototyping of potential design solutions? (B2.2)

  • How important is ergonomics to inform effective inclusive design? (C1.2)

Everything is designed.

Few things are designed well.

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