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
6.
The Sliding Filament Mechanism
6.1.
Sliding Filament Theory
6.1.1.
Historical Development
6.1.2.
Evidence Supporting Theory
6.1.3.
Fundamental Principles
6.2.
Cross-bridge Cycle
6.2.1.
ATP Hydrolysis Phase
6.2.1.1.
Myosin ATPase Activity
6.2.1.2.
Energy Storage
6.2.1.3.
Myosin Head Cocking
6.2.2.
Cross-bridge Formation
6.2.2.1.
Myosin-Actin Binding
6.2.2.2.
Strong Binding State
6.2.2.3.
Rigor Complex
6.2.3.
Power Stroke
6.2.3.1.
Conformational Change
6.2.3.2.
Force Generation
6.2.3.3.
Filament Sliding
6.2.3.4.
ADP and Pi Release
6.2.4.
Cross-bridge Detachment
6.2.4.1.
ATP Binding
6.2.4.2.
Myosin-Actin Dissociation
6.2.4.3.
Cycle Reset
6.2.5.
Cycle Repetition
6.2.5.1.
Continuous Cycling
6.2.5.2.
Calcium Dependence
6.3.
Molecular Mechanics
6.3.1.
Force Generation Mechanisms
6.3.2.
Lever Arm Movement
6.3.3.
Elastic Elements
6.3.4.
Work and Power Output
6.4.
Regulation of Cross-bridge Cycling
6.4.1.
Calcium Availability
6.4.2.
ATP Concentration
6.4.3.
pH Effects
6.4.4.
Temperature Effects
6.5.
Sarcomere Length Changes
6.5.1.
I Band Shortening
6.5.2.
H Zone Reduction
6.5.3.
A Band Constancy
6.5.4.
Overall Muscle Shortening
Previous
5. Excitation-Contraction Coupling
Go to top
Next
7. Muscle Relaxation