Muscle Forces and Contractions – MCQs

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1. Which type of force is generated by muscles?



2. Muscle force is produced due to:



3. The functional unit of muscle contraction is:



4. Which protein directly binds to actin during contraction?



5. Which ion is essential for muscle contraction?



6. Muscle contraction begins when calcium binds to:



7. Which neurotransmitter stimulates skeletal muscle contraction?



8. Isometric contraction occurs when:



9. Isotonic contraction occurs when:



10. Concentric contraction means:



11. Eccentric contraction means:



12. Which type of contraction produces the most force?



13. Muscle fatigue occurs when:



14. Fast-twitch muscle fibers are adapted for:



15. Slow-twitch muscle fibers are adapted for:



16. Which muscle fiber type resists fatigue most?



17. Muscle force depends on:



18. Maximum muscle force is produced at:



19. The force-velocity relationship shows that:



20. In eccentric contractions, velocity and force relationship is:



21. Muscle hypertrophy results from:



22. Muscle atrophy occurs due to:



23. Which type of contraction stabilizes joints?



24. Which contraction is important in deceleration during sports?



25. Which factor increases muscle force output?



26. Motor unit recruitment follows:



27. Muscle contraction requires energy in the form of:



28. In tetanus contraction, muscle is:



29. Which factor limits maximal muscle contraction?



30. Plyometric exercises rely heavily on:



31. Which contraction type consumes the least energy?



32. Muscle stiffness is mainly caused by:



33. During weightlifting upward phase, the biceps undergo:



34. During lowering of weight in biceps curl, muscles undergo:



35. Stabilizing the body in a plank position involves:



36. Which contraction type is most injury-prone?



37. Muscle power depends on:



38. Cross-bridges form between:



39. The “all-or-none” principle applies to:



40. Which contraction produces joint movement?



41. Which contraction is used when holding a heavy box without moving?



42. Which contraction is essential for controlled landing after a jump?



43. Which factor determines muscle endurance?



44. Muscle force is transmitted to bones via:



45. Which type of contraction dominates in long-distance running?



46. In a push-up upward phase, triceps undergo:



47. In a push-up downward phase, triceps undergo:



48. Muscle contraction efficiency depends on:



49. Muscles produce movement by:



50. Which type of contraction allows holding weight steady without motion?



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