1 / 69

Muscle Physiology Review - Understanding the Basics of Muscle Function

Learn about muscle structure, contraction, and key proteins like actin and myosin. Explore terms like sarcomere, calcium, and sliding filament theory.

taviles
Download Presentation

Muscle Physiology Review - Understanding the Basics of Muscle Function

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. MUSCLE PHYSIOLOGY REVIEW 1. – 65.

  2. 1. Name this protein. actin

  3. 2. Name this specific band. H Band

  4. 3. Name this unit. Fascicle (fasciculus)

  5. 4. Name this unit. Myofiber (muscle cell)

  6. 5. Name this protein. myosin

  7. 6. Name bluish CT layer. perimysium

  8. 7. Name this dark line. M line

  9. 8. Name these specific dark lines. Z line

  10. 9. Name these purple structures. mitochondria

  11. 10. Name this entire structure. myofiber

  12. 11. Name these blue structures. Sarcoplasmic reticulum

  13. 12. Name these yellow structures. Transverse tubules

  14. 13. Name this unit. triad

  15. 14. Name this entire unit; it is the smallest unit of a muscle contraction (red bracket). sarcomere

  16. 15. Name the cytoplasm inside sarcoplasm

  17. 16. Name this covering. muscle epimysium

  18. 2 3 17. Which is the crossbridge? 1 4 4

  19. 1 2 18. Which is in the contacted state? 2

  20. 19. What is the name of this myofilament? actin

  21. 20. What is the name of this molecule? ATP

  22. 21. What is the SPECIFIC role of this molecule in muscle contraction? Allows myosin to perform a(n)__________ so actin is pulled inward. power stroke

  23. 22. What is the name of the 3 purple protrin complex? troponin

  24. 23. What happens to the width of the A band during contraction? Stays the same

  25. What condition are these muscles in? hypertrophy

  26. 25. What is represented by the green circles in this diagram? calcium

  27. 26. Where specifically is calcium stored in the muscle? Sarcoplasmic reticulum

  28. 27. What is the name of the gray molecule? tropomyosin

  29. 28. What is the other source for recharging the ATP battery in the muscles? (this compound is unique to muscles) Creatine phosphate

  30. 29.What is the specific function of calcium in a muscle contraction? Calcium ions bind to_________ which causes a change in the conformation of the tropomyosin complex that exposes the myosin binding sites on the actin filament. troponin.

  31. 30. What is this known as? Sliding filament theory

  32. 31. What is this set-up called? Motor unit

  33. 32. The products of aerobic respiration are water, ATP, and _____. Carbon dioxide

  34. 33. Name this red area shown by red arrow. Motor end plate

  35. 34. Name this yellow structure of which you see the end of. Motor neuron

  36. 35. Name these blue “containers”. Synaptic vescicles

  37. 36. What is the general name for the compound that is in these blue “containers”. neurotransmitter

  38. 37. Name these structures shown by red arrows. Transverse tubules

  39. 38. Name this entire area shown by bracket. Neuromuscular junction

  40. 39. During the contraction of a sarcomere, calcium ions bind with the protein _____. troponin

  41. 40. This is a graph of a muscle contraction. What is it called? myogram

  42. 41. Name this blue part of a muscle twitch. Latent period

  43. 42. Name this red part of a muscle twitch. Contraction period Contraction period

  44. 43. What is the bracketed part of this graph representing dealing with a muscle contraction? Treppe or summation

  45. Tetanus (tetanic contraction) 44. What is the bracketed part of this graph representing dealing with a muscle contraction?

  46. 45. Choose the type of muscular contraction shown below. isotonic

  47. 46. The reddish brown color of muscle is due to the presence of _____ molecules myoglobin

  48. 47. Which molecule is produced during exercise, resulting in the oxygen debt? Lactic acid

  49. 48. Would there be mostly slow twitch or fast twitch fibers in this part of your Thanksgiving Turkey? Fast twitch

  50. 49. The minimum stimulus needed to cause a contraction is called the _____. Threshold stimulus

More Related