Revision summary
Ergonomics applies anthropometry to tools and spaces. Percentiles of size, not an average man, should drive design. Heath–Carter shape and climate physiology add further constraints. Indian defence and school furniture are live cases. Exclude women and the small at your ethical peril.
Model answer
Copper italics in this answer — like this — are the key facts. Each one is unpacked in the Facts & figures rail.
Introduction
Ergonomics is applied biological anthropology. Body size, sit, reach, and climate decide whether a tool fits or injures.
Body
What the body file gives
- Anthropometry supplies percentiles of stature, sitting height, hand length, and hip breadth. Hooton and wartime aviation studies already fitted cockpits to men. Today the sample must include women and older workers.
- Somatotype and fat-muscle distribution, after Heath and Carter, help sports kit and load carriage.
- Physiological anthropology adds heat, cold, and altitude: clothing, tents, and oxygen for Himalayan troops.
Cases
- Defence: rifle stock, helmet, and parachute harness fail if they are cut to a US male mean. DRDO and Indian army surveys exist for this reason.
- Civil: bus seats, kitchen platforms, and school desks in India often ignore local child growth data from ICMR.
- Medical devices: prosthetic sockets need stump anthropometry. Forensic and design labs share methods.
Ethic
- Design for the 5th to 95th percentile, and for left-handers. A ‘universal’ European dummy is a political choice.
Flow diagram
flowchart TD ANT[Anthropometry] --> D[Design percentiles] PH[Heat cold altitude] --> D D --> EQ[Kit vehicle desk]
Conclusion
Know the living body, then cut the tool. Anthropology’s measurements, climate physiology, and variation are the brief for equipment that does not maim.
Quick related
Students also ask
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How are the cases of disputed paternity solved? Discuss the recent techniques
Next question on this syllabus topic (2021 · Q6(b)). View answer →
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Is this only for the army?
No. Kitchens, phones, and factory lines injure more people than cockpits.
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Does one Indian size chart exist?
Regions, sexes, and ages differ. A single ‘Indian male’ dummy repeats the old error.
Same topic · past papers
UPSC has asked this before
These previous-year questions sit on the same topic. Open one to practise the earlier ask.
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2016 · Q8(a) · Anthropology GS 1 · 20 marks
Describe the role of Anthropology in designing defence and other equipment.
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