Occupational Biomechanics – MCQs

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1. Occupational biomechanics primarily studies:



2. The main goal of occupational biomechanics is:



3. Awkward postures at work increase the risk of:



4. Which lifting technique reduces lumbar spine stress?



5. The NIOSH lifting equation is used for:



6. The compressive force limit at L5/S1 (NIOSH) is approximately:



7. Repetition in occupational tasks can lead to:



8. Ergonomic workplace design aims to:



9. Which body region is most prone to injury during manual lifting?



10. Static muscle work is associated with:



11. The concept of “center of gravity” is important in:



12. Occupational biomechanics considers:



13. The main risk factor for low back pain in workers is:



14. Pushing or pulling loads is generally safer than:



15. Which posture places the least stress on the lumbar discs?



16. Excessive wrist deviation during work can cause:



17. Cumulative loading refers to:



18. An ergonomic chair should provide:



19. Work-related musculoskeletal disorders are often caused by:



20. In biomechanical models, the human body is often treated as:



21. The term “work envelope” refers to:



22. The main advantage of mechanical aids in lifting is:



23. A higher frequency of lifting reduces:



24. Manual handling guidelines recommend:



25. A stoop lift increases the:



26. The term “overexertion injury” usually refers to:



27. Occupational biomechanics research methods include:



28. Awkward neck postures at work may lead to:



29. The “moment arm” is defined as:



30. Rest breaks during repetitive work help:



31. Whole-body vibration in occupational settings can lead to:



32. The risk of injury increases with:



33. A primary biomechanical principle of safe lifting is:



34. The recommended maximum angle for back twisting while lifting is:



35. The energy cost of work is influenced by:



36. Manual material handling tasks should be designed to:



37. Occupational overuse syndrome refers to:



38. Which lifting posture is safest?



39. The push-pull guidelines recommend:



40. The “three spine curves” (cervical, thoracic, lumbar) should be:



41. Excessive force at work can cause:



42. Occupational biomechanics overlaps most with:



43. Which factor reduces risk of injury during lifting?



44. A good workstation design should:



45. A “biomechanical model” in occupational health is used to:



46. Fatigue failure of tissues occurs when:



47. Proper footwear in occupational tasks:



48. Hand-arm vibration syndrome is caused by:



49. The biomechanical advantage of using carts is:



50. The ultimate purpose of occupational biomechanics is:



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