Chapter 10 of 27 A&P I

Muscle tissue

how your body is built

8 topicsA&P Inot practiced yet

Topics

  1. 51Skeletal muscle structureNot practicedLessonNotes
  2. 52The neuromuscular junctionNot practicedLessonNotes
  3. 53Excitation–contraction couplingNot practicedLessonNotes
  4. 54The sliding filament model and cross-bridge cycleNot practicedLessonNotes
  5. 55Motor units and muscle tensionNot practicedLessonNotes
  6. 56Muscle energy and fatigueNot practicedLessonNotes
  7. 57Muscle fiber types and exerciseNot practicedLessonNotes
  8. 58Smooth muscle and cardiac muscleNot practicedLessonNotes

Practice this chapter

In this chapter's tools

Lab practical image sets 4

  • Skeletal muscle organization
  • The sarcomere
  • Neuromuscular junction
  • Histology station: skeletal, cardiac and smooth muscle

Prediction scenarios 4

  • Level 2 a drug blocks acetylcholine receptors at the end plate
  • Level 2 acetylcholinesterase is inhibited
  • Level 1 ATP runs out after death
  • Level 2 a sprint vs a marathon

Pathways 4

  • Neuromuscular junction transmission
  • Excitation–contraction coupling
  • The cross-bridge cycle
  • Muscle relaxation

Graphs 3

  • Twitch, summation and tetanus myogram
  • Length–tension relationship
  • Energy systems over the first minutes of exercise

Comparison tables 3

  • Slow oxidative vs fast oxidative vs fast glycolytic fibers
  • Isotonic vs isometric contraction
  • Skeletal vs smooth vs cardiac contraction mechanism