Muscular%20System_students0 - Human Anatomy and Physiology...

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Human Anatomy and Physiology 1110 Muscular System
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1. Examine the macroscopic and microscopic anatomy of skeletal muscle. 2. Explain the sliding filament mechanism of muscle fiber contraction. 3. Relate overall muscle structure to function. 4. Describe action potential generation and excitation- contraction coupling. Muscular System : Learning Objectives 1. Define muscle twitch and explain how smooth and graded contractions are produced. 2. Describe factors that influence force, velocity, and duration of muscle contraction. 3. Compare and contrast the three types of skeletal muscle fibers. 4. Compare and contrast the contractile mechanisms and means of activation of skeletal and smooth muscles.
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Muscular System : Muscle Types
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Muscular System : Skeletal Muscle
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Muscular System : Structure and Organization
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Muscle Connective tissue, blood vessels, and nerves Covered by epimysium Fascicle Discrete bundle of muscle cells Surrounded by perimysium Muscle Fiber Striated Appearance Surrounded by endomysium Muscular System : Skeletal Muscle Structure and Organization
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Myofibril Occupy most muscle cell volume Composed of sarcomeres Sarcomere Fundamental contractile unit Composed of myofilaments Myofilament Thin filament = actin Thick filament = myosin Muscular System : Skeletal Muscle Structure and Organization
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Muscular System : Structure and Organization
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Muscular System : Skeletal Muscle Muscle Fibers to Myofibrils
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Muscular System : Skeletal Muscle Myofibrils to Sarcomeres
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Muscular System : Skeletal Muscle Sarcomeres to Myofilaments
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Muscular System : Structure and Organization
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Muscular System : Skeletal Muscle Sarcomeres to Myofilaments
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Muscular System : Skeletal Muscle Sliding Filament Theory
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Muscular System : Skeletal Muscle Neuromuscular Junction
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Muscular System : Membrane Potential
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Muscular System : Membrane Potential
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This note was uploaded on 04/15/2011 for the course BIOL 1110K taught by Professor Kylaross during the Fall '10 term at Georgia State University, Atlanta.

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Muscular%20System_students0 - Human Anatomy and Physiology...

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