Ergonomics is the study of?

Appeared in: PGIMS Rohtak NO - 2017

Explanation

Ergonomics, derived from the Greek words 'ergon' (work) and 'nomos' (laws), is the science of 'fitting the job to the worker'.
It involves designing and arranging workplaces, products, and systems so that they are compatible with the capabilities and limitations of the people who use them.
The primary goal is to improve human efficiency and well-being by reducing physical strain, fatigue, and the risk of musculoskeletal injuries.

Option B: This describes worker training and adaptation, which is the opposite of the core ergonomic principle of adapting the work environment to the worker's capabilities.
Option C: This is too broad. Ergonomics is a key component of preventing occupational diseases, specifically musculoskeletal disorders, but it is not the study of all occupational disease prevention, which falls under the larger field of Occupational Health.
Option D: This describes personnel selection and recruitment, a function of human resources. Ergonomics focuses on designing the job itself, not selecting people for a pre-existing job design.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Definition and principles of ergonomics as background academic context rather than a clinical decision trigger.
For nurses, applying ergonomic principles is critical to prevent musculoskeletal injuries (MSIs), especially to the back, neck, and shoulders, which are common due to frequent patient handling, lifting, and repositioning.
Using proper body mechanics and assistive devices (e.g., slide sheets, mechanical lifts) not only protects the nurse from injury but also ensures patient safety and comfort during transfers.
What if? - If a hospital invests in ceiling-mounted patient lifts (an ergonomic solution), the rate of back injuries among nursing staff is likely to decrease significantly, leading to fewer sick days, lower workers' compensation costs, and improved staff retention.

How to Approach the Question

First, identify the key term in the question: 'Ergonomics'.
Recall the basic definition of ergonomics. Break down the word: 'ergon' (work) and 'nomos' (laws). This points to the 'laws of work' or how work should be structured.
Evaluate each option based on this core definition. The central idea is adapting the environment to the person.
Option A, 'Designing the job to fit to the worker,' directly matches this principle.
Recognize that the other options represent different concepts: worker training (B), a broader health field (C), and human resources (D). Eliminate them as they are not the specific definition of ergonomics.

Concept Tested & Keywords

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E6 Parks TextBook of Preventive & Social Medicine part 2 — Subpart B (pp 233-449 of 464) pp. 120-122, 130-132

Practise the full PGIMS Rohtak NO - 2017

Attempt every question from this paper in a timed mock, then review the full solution for each one.