Muscle Physiology
Learning Objectives: Textbook p.33-43, & 66-67, & p 90-93
- anatomical knowledge of muscle’s origin/ insertion/ function
- the concept of agonist & antagonist pairs
- explain what muscles are used for basic movements
- the sliding filament theory of muscular contraction
- the number of muscles in the body
- the three types of muscle & their role in the muscular system
- the structure of muscle fibers
- the motor unit & the concept of a “muscle twitch”
- the all or nothing principle
- differentiate the physiological differences between type IA & type IIB muscle fibers
- give sports examples of athlete's that are high in specific muscle fiber types
Handouts: - Exercise 3.1: SA #1-6 - The Fast Lane & Muscle Fiber Types
- Muscle Contraction; "A Love Story" - Sliding Filament Theory Cue Cards
- the concept of agonist & antagonist pairs
- explain what muscles are used for basic movements
- the sliding filament theory of muscular contraction
- the number of muscles in the body
- the three types of muscle & their role in the muscular system
- the structure of muscle fibers
- the motor unit & the concept of a “muscle twitch”
- the all or nothing principle
- differentiate the physiological differences between type IA & type IIB muscle fibers
- give sports examples of athlete's that are high in specific muscle fiber types
Handouts: - Exercise 3.1: SA #1-6 - The Fast Lane & Muscle Fiber Types
- Muscle Contraction; "A Love Story" - Sliding Filament Theory Cue Cards
Key Terms
- muscle tissue - tendons - skeletal muscles - cardiac muscles - smooth muscles
- neuromuscular system - muscle twitch - motor unit - neuromuscular junction - all-or-none principle
- perimysium - epimysium - endomysium - sarcolemma - myofibrils
- sacromere - agonist muscle - antagonist muscle - ligament - origin/ insertion
- isotonic exercise - isometric exercise - isokinetic exercise - sliding filament theory - myosin crossbrige
- actin - troponin/ tropomyosin - hypertrophy/ artrophy - hyperplasia - ATP
- myoglobin - tonic muscles - phasic muscules - type IA fibers - type IIB fibers
- neuromuscular system - muscle twitch - motor unit - neuromuscular junction - all-or-none principle
- perimysium - epimysium - endomysium - sarcolemma - myofibrils
- sacromere - agonist muscle - antagonist muscle - ligament - origin/ insertion
- isotonic exercise - isometric exercise - isokinetic exercise - sliding filament theory - myosin crossbrige
- actin - troponin/ tropomyosin - hypertrophy/ artrophy - hyperplasia - ATP
- myoglobin - tonic muscles - phasic muscules - type IA fibers - type IIB fibers
Additional Questions
Chapter 3:
7. What are the 3 types of muscle contraction? 8. Explain the differences between Isotonic, Isometric & Isokinetic Exercises. 9. Explain what a sacromere looks like at rest. 10. Explain the differences between transient & chronic hypertrophy & atrophy. 11. What role does calcium have in the sliding filament theory? 12. What are the benefits of resistance training for females? Chapter 5: 13. What did the Danish scientists study find in the differences between Kenyan runners? 14. Differentiate the physiological differences between fast twitch & slow twitch fibers. 15. Describe the differences between tonic & phasic muscles. 16. How do scientists determine what type of muscle fibers an athlete has? 17. What type of training would be best for an athlete with Type IA fibers? 18. What type of training would be best for an athlete with Type IIB fibers? NotesTo Be Added :)
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Muscle Physiology Kahoots |
Useful Websites
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VideosMuscle PhysiologySliding Filament Theory |
E60: Sport Muscle DiseaseSports Gene |