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Why does an ergonomic chair have back support?

Answer and explanation

Correct answer: To support the spine

The direct answer is A: an ergonomic chair has back support to support the spine. Good back support helps the body keep a more natural posture and may reduce unnecessary strain during sitting. The spine is the row of bones running along the back, so the chair should support the lower and middle back without forcing the body into an awkward position. A is correct because it states the health and posture purpose. B is wrong because support is not provided merely to make a chair look expensive. C is wrong because ergonomic design aims to make sitting safer and more comfortable, not harder. D is wrong because back support has no purpose of hiding a table. Exam cue: chair support means spine and posture.

Related tags

Home-ScienceErgonomicsChair-Support

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