Home Science · Ergonomics and Work Physiology
Assertion (A): Static work occurs when muscles undergo continuous contraction to maintain a posture without producing external physical work. Reason (R): Prolonged muscle contraction causes occlusion of blood vessels, restricting blood supply and leading to localized muscle fatigue and pain.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Both A and R are false.
- 2Both A and R are true, and R is the correct explanation of A.✓
- 3A is false, but R is true.
- 4A is true, but R is false.
Correct answer
Both A and R are true, and R is the correct explanation of A.
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