Muscle Physiology

  1. Skeletal Muscle Anatomy
    1. Gross Anatomy
      1. Organization of Skeletal Muscle
        1. Muscle Belly
          1. Fascicles
            1. Individual Muscle Fibers
              1. Muscle Attachments
                1. Origin
                  1. Insertion
                2. Connective Tissue Components
                  1. Epimysium
                    1. Structure and Composition
                      1. Function
                      2. Perimysium
                        1. Structure and Composition
                          1. Function
                          2. Endomysium
                            1. Structure and Composition
                              1. Function
                              2. Fascial Connections
                              3. Tendons and Aponeuroses
                                1. Tendon Structure and Function
                                  1. Aponeurosis Structure and Function
                                    1. Differences Between Tendons and Aponeuroses
                                      1. Mechanical Properties
                                      2. Nerve and Blood Supply
                                        1. Motor Neuron Innervation
                                          1. Sensory Innervation
                                            1. Arterial Supply
                                              1. Venous Drainage
                                                1. Capillary Networks
                                                  1. Lymphatic Drainage
                                                2. Microscopic Anatomy of Muscle Fiber
                                                  1. Structure of the Muscle Fiber
                                                    1. Multinucleation
                                                      1. Cell Size and Shape
                                                        1. Satellite Cells
                                                          1. Location and Function
                                                            1. Role in Repair and Growth
                                                          2. Sarcolemma
                                                            1. Membrane Structure
                                                              1. Membrane Proteins
                                                                1. Ion Channels
                                                                  1. Role in Excitability
                                                                  2. Sarcoplasm
                                                                    1. Composition
                                                                      1. Glycogen Stores
                                                                        1. Myoglobin Content
                                                                          1. Organelles
                                                                            1. Mitochondria
                                                                              1. Ribosomes
                                                                                1. Golgi Apparatus
                                                                              2. Myofibrils
                                                                                1. Arrangement in Muscle Fiber
                                                                                  1. Parallel Organization
                                                                                    1. Role in Contraction
                                                                                      1. Myofibrillar Proteins
                                                                                      2. Sarcoplasmic Reticulum
                                                                                        1. Structure and Organization
                                                                                          1. Terminal Cisternae
                                                                                            1. Longitudinal Tubules
                                                                                              1. Calcium Storage Function
                                                                                                1. Calcium Release Channels
                                                                                                  1. Calcium Pump Proteins
                                                                                                  2. Transverse Tubules
                                                                                                    1. Structure and Location
                                                                                                      1. Connection to Sarcolemma
                                                                                                        1. Role in Action Potential Propagation
                                                                                                          1. Voltage Sensors
                                                                                                          2. The Triad
                                                                                                            1. Structural Components
                                                                                                              1. Functional Significance
                                                                                                                1. Role in Excitation-Contraction Coupling

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                                                                                                            1. Introduction to Muscle Tissue

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                                                                                                            3. The Sarcomere