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5. 100 200 300 400 500 Micro anatomy Macro anatomy Function Human muscles arms/legs Human muscles head/trunk Muscle types

6. Contractile units aligned end-to- end along the length of myofibrils (areas between Z lines). A 100

7. What are sarcomeres? A 100

8. A protein that composes the thick filaments of a sarcomere. A 200

9. What is myosin? A 200

10. Three proteins found in the thin filaments of sarcomeres. A 300

11. What are actin, troponin, & tropomyosin? A 300

12. The interconnecting tubules and sacs of this surround each myofibril and store calcium for release on demand when the muscle fiber is stimulated. A 400

13. What is sarcoplasmic reticulum? A 400

14. Fingerlike extensions of this structure called T-tubules go deep into the muscle fiber and are in close contact with the sarcoplasmic reticulum. A 500

15. What is sarcolemma? A 500

16. Connective tissue covering surrounding individual muscle fibers. B 100

17. What is endomysium? B 100

18. A bundle of muscle fibers surrounded by perimysium. B 200

19. What is a fascicle? B 200

20. Strong, cordlike structures connected to bone that blend into the epimysium covering whole muscle. B 300

21. What are tendons? B 300

22. Bundles of fascicles surrounded by epimysium. B 400

23. What is a muscle? B 400

24. A term used in muscle names to indicate the fibers run vertically. B 500

25. What is “rectus” ? B 500

26. Muscles produce movement, maintain posture, stabilize joints, and generate _______. C 100

27. What is heat? C 100

28. Where the axon of a neuron and the sarcolemma come in close contact. C 200

29. What is neuromuscular junction? C 200

30. When an electrical nerve impulse reaches the axon terminal, it is converted to this chemical neurotransmitter which crosses the synaptic cleft and attaches to receptors on the sarcolemma. C 300

31. What is acetylcholine (Ach)? C 300

32. DAILY DOUBLE C 400 DAILY DOUBLE Place A Wager

33. ACh causes an imbalance of ions on the inside and outside of the sarcolemma, which begins this electrical disturbance that travels the entire sarcolemma. C 400

34. What is an action potential? C 400

35. The action potential traveling down the sarcolemma stimulates the release of this from the sarcoplasmic reticulum. C 500

36. What is/are calcium ions, Ca + ? C 500

37. An antagonist to the biceps brachii. D 100

38. What is the triceps brachii? D 100

39. The prime mover for flexing the thigh and for extending the lower leg D 200

40. What is rectus femoris? D 200

41. Types of muscles that stabilize joints. D 300

42. What are fixators? D 300

43. Muscle that originates on the scapula and clavicle, inserts on the humerus, and raises (abducts) the arm overhead. D 400

44. What is the deltoid? D 400

45. This bulky muscle originates on the distal end of the femur, lies dorsal to the tibia, and inserts on the calcaneus. D 500

46. What is the gastrocnemius? D 500

47. Muscle that originates on the pubis, inserts on the sternum and ribs, and is commonly known as a “six pack” E 100

48. What is the rectus abdominus? E 100

49. Diamond shaped muscle on the back and neck that extends the neck and elevates, depresses, & adducts the scapula. E 200

50. What is the trapezius? E 200

51. Muscle that has circular fibers and is often called the “kissing” muscle. E 300

52. What is the orbicularis oris E 300

53. Muscle that originates on the sternum & clavicle and inserts on the mastoid process of the temporal bone. E 400

54. What is the sternocleidomastoid? E 400

55. Muscle that adducts and flexes (moves in front of you) the humerus. E 500

56. What is the pectoralis major? E 500

57. Voluntary muscles that show striations, found on bones. F 100

58. What are striated/skeletal muscles? F 100

59. Muscle that is striated but involuntary. Located only in the heart. F 200

60. What is cardiac muscle? F 200

61. Smooth muscle is involuntary, not striated, and can be found mainly in the walls of these. F 300

62. What are hollow visceral organs such as stomach, intestines, & bladder? F 300

63. This type of muscle has multiple nuclei in each cell (fiber). F 400

64. What is striated/skeletal muscle? F 400

65. This type of muscle has intercalated discs joining branched cells (fibers). F 500

66. What is cardiac muscle? F 500

67. The Final Jeopardy Category is: Muscle function Please record your wager. Click on screen to begin

68. This provides the energy to release and recock each myosin head so it can attach to the next actin binding site and repeat again and again, causing the thick and thin filaments to slide past each other and the sarcomere to shorten in length. Click on screen to continue

69. ATP Click on screen to continue

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