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Ergonomics: Definition and Principles

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Questions and Answers

What is the main focus of ergonomics?

Optimizing work system effectiveness and productivity (correct)

Ensuring worker safety through product design

Studying human external body dimensions

Measuring body strength and range of motion

Which principle is recommended for optimizing tasks in the workplace?

Carrying out tasks above shoulder level

Keeping work close to the body (correct)

Lifting loads without limits

Twisting the trunk while working

What is anthropometry primarily concerned with?

Studying joint positions

Optimizing work system effectiveness

Measuring human external body dimensions (correct)

Ensuring worker safety through product design

Why is it common practice to design for the 5th percentile female to the 95th percentile male?

To cater to a wide range of body sizes Signup and view all the answers

Which action should be avoided to prevent back strain according to ergonomics?

Twisting the trunk while working Signup and view all the answers

What does the 5th percentile female value and the 95th percentile male value represent in anthropometric measurements?

The smallest and largest values, respectively Signup and view all the answers

Which anthropometric measurement is defined as the vertical distance from the sitting surface to the vertex?

Sitting height Signup and view all the answers

What are Musculoskeletal Disorders (MSDs) mainly caused by?

Unsafe and unhealthy work practices Signup and view all the answers

What is the defining characteristic of Cumulative Trauma Disorders (CTDs)?

Develop over a period of time due to repetitive motions Signup and view all the answers

What is Carpal tunnel syndrome characterized by?

Weakness, pain, and disturbances of sensations in the hand Signup and view all the answers