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Muscular System

Dive into the intricacies of the muscular system, exploring muscle fibers, their properties, functions in movement and heat production, different types of muscles, fiber organization and structure, contraction mechanisms, performance variations, locations, and common problems like spasms and myalgia. Expand your knowledge to achieve success in grasping the complexities of this vital system.

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Muscular System

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  1. Muscular System I.Introduction A. Definition

  2. 1. Muscle cells called fibers Why? 3. Types Skeletal, Smooth, & Cardiac 2. Properties  Contraction, Conduction, Extensible, & Elasticity

  3. B. Functions

  4. 1. Aid in Movement 2. Help maintain Posture 3. Produce body heat

  5. II.Types of Muscle A.Skeletal 1. Fiber Organization

  6. a. Layers or Levels Tendons Figure 9.1 & Table 9.1

  7. 2. Fiber Structure

  8. a. General Characteristics Figure 9.2

  9. a. General Characteristics Table 9.1 Table 9.1

  10. a. General Characteristics Figure 9.5

  11. b. Specific Characteristics Table 9.1 Table 9.1

  12. b. Specific Characteristics Figure Table 9.1

  13. b. Specific Characteristics Figure 9.3

  14. 3. Fiber Contraction

  15. a. Requirements i. Stimuli Figure 9.8

  16. a. Requirements i. Stimuli Figure 9.9

  17. a. Requirements i. Stimuli Figure 9.10

  18. a. Requirements ii. Calcium Figure 9.11

  19. a. Requirements ii. Calcium Figure 9.11

  20. a. Requirements ii. Calcium Figure 9.12

  21. a. Requirements iii. ATP Figure 9.12

  22. a. Requirements iii. ATP Figure 9.19

  23. a. Requirements iii. ATP Figure 9.20

  24. b. Description Figure 9.13

  25. 4. Fiber Performance

  26. a. Muscle Twitch Figure 9.14a

  27. a. Twitch Figure 9.14b

  28. b. Graded Response Figure 9.15

  29. c. Intensity vs. Tension Figure 9.16

  30. d. Recruitment Figure 9.17

  31. e. Isotonic vs. Isometric Figure 9.18

  32. f. Slow Oxidative vs. Fast Oxidative vs. Fast Glycolytic

  33. 5. Fiber Location

  34. a. General Terms i. Job = Agonistsvs. Antagonistsvs. Synergists vs. Fixators ii. Shape = Circular, Convergent, Parallel,Fusiform, &Pennate Levers = 1st, 2nd, & 3rd class

  35. b. Sites i. Duh?

  36. II.Types of Muscle B. Smooth C. Cardiac

  37. a. General Characteristics

  38. a. General Characteristics

  39. a. General Characteristics

  40. a. General Characteristics

  41. III.Problems A. Spasms, Strain, & Myalgia

  42. B. Muscular Dystrophy C. Myasthenia Gravis

  43. Increases in knowledge can equal success.

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