'Whole muscle contraction' diaporamas de présentation

Chapter 12

Who is this? Chelsey Thomas. What is her problem? Moebius syndrome? A rare disorder which causes paralysis of facial muscles!!!. Chapter 12. Muscular System. Outline. Overview of Muscular System Types and Functions of Muscles Skeletal Muscle Fiber Contraction

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The Muscular System

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Skeletal Muscle Physiology

Skeletal Muscle Physiology. How do contractions occur? Remember that muscles are excitable. Electrochemical gradient. Both neurons and muscle cells maintain electrochemical gradients across their plasma membranes: a charge difference exists, like between poles of a battery.

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Muscle II. Mechanics Fiber Contraction.

Muscle II. Mechanics Fiber Contraction. Tension: Force exerted by a contracting muscle on an object. Load: Force exerted on the muscle by the weight of an object. Muscle shortens (and moves a load) when tension > load. Isometric contraction .

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Skeletal Muscle Physiology

Skeletal Muscle Physiology. How do contractions occur? Remember that muscles are excitable. Electrochemical gradient. Both neurons and muscle cells maintain electrochemical gradients across their plasma membranes Intracellular fluid is negatively charged. 2 Electrochemical gradients.

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