UsefulLinks
Biology
Anatomy and Physiology
Muscle Physiology
1. Introduction to Muscle Tissue
2. Skeletal Muscle Anatomy
3. The Sarcomere
4. The Neuromuscular Junction
5. Excitation-Contraction Coupling
6. The Sliding Filament Mechanism
7. Muscle Relaxation
8. Mechanics of Muscle Contraction
9. Muscle Metabolism and Energetics
10. Muscle Fatigue
11. Muscle Fiber Types
12. Exercise Adaptations
13. Smooth Muscle Physiology
14. Cardiac Muscle Physiology
11.
Muscle Fiber Types
11.1.
Classification Systems
11.1.1.
Myosin ATPase Activity
11.1.2.
Metabolic Properties
11.1.3.
Contractile Properties
11.1.4.
Histochemical Staining
11.2.
Type I Fibers
11.2.1.
Slow Contraction Speed
11.2.2.
Oxidative Metabolism
11.2.3.
Fatigue Resistance
11.2.4.
Structural Characteristics
11.2.4.1.
Mitochondrial Content
11.2.4.2.
Capillary Density
11.2.4.3.
Myoglobin Content
11.2.5.
Functional Properties
11.3.
Type IIa Fibers
11.3.1.
Fast Contraction Speed
11.3.2.
Oxidative-Glycolytic Metabolism
11.3.3.
Moderate Fatigue Resistance
11.3.4.
Structural Characteristics
11.3.5.
Functional Properties
11.4.
Type IIx Fibers
11.4.1.
Fast Contraction Speed
11.4.2.
Glycolytic Metabolism
11.4.3.
Low Fatigue Resistance
11.4.4.
Structural Characteristics
11.4.5.
Functional Properties
11.5.
Fiber Type Distribution
11.5.1.
Muscle-specific Patterns
11.5.2.
Individual Variations
11.5.3.
Genetic Influences
11.5.4.
Age-related Changes
11.6.
Fiber Type Recruitment
11.6.1.
Size Principle Application
11.6.2.
Task-specific Recruitment
11.6.3.
Training Adaptations
11.7.
Fiber Type Plasticity
11.7.1.
Training-induced Changes
11.7.2.
Molecular Mechanisms
11.7.3.
Limitations of Plasticity
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10. Muscle Fatigue
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12. Exercise Adaptations