'Cross bridge' presentation slideshows

Physiology of Muscle

Physiology of Muscle. Humaryanto. TIPE OTOT. Otot Skeletal (lurik/striata) Otot Jantung (lurik/striata) Otot Polos (polos) (GI, VU, Vascular). Extrafusal Muscle Fibers. Striate muscle Force for limb movements flexion - closes joint extension - opens joint Contract or relax ~.

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Skeletal Muscle ???

Skeletal Muscle ???. Qiang XIA ( ?? ), PhD Department of Physiology Room C518, Block C, Research Building, School of Medicine Tel: 88208252 Email: xiaqiang@zju.edu.cn. Muscle. Types of muscle: Skeletal muscle ??? Cardiac muscle ?? Smooth muscle ???. Striated muscle ???.

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The Three Types of Muscle

The Three Types of Muscle. Figure 12-1a. The Three Types of Muscle. Figure 12-1b. The Three Types of Muscle. Figure 12-1c. Skeletal Muscle. Usually attached to bones by tendons Contract only in response to signal from somatic motor neuron Flexor: brings bones together

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Skeletal System

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Skeletal Muscle: Structure & Function Dr. Kyle Coffey

Skeletal Muscle: Structure & Function Dr. Kyle Coffey. Week 7&8. Skeletal Muscle. Human body contains over 400 skeletal muscles 40-50% of total body weight Functions of skeletal muscle Force production for locomotion and breathing Force production for postural support

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NROSCI/BIOSCI 1070 MSNBIO 2070 Human Physiology

NROSCI/BIOSCI 1070 MSNBIO 2070 Human Physiology. August 29, 2014 Muscle 1. Sarcolemma = cell membrane Myofibril = basic contractile unit Myofibril comprised of 1500 myosin filaments and 3000 actin filaments Overlap of myosin and actin produces dark A bands

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B277 BIOLOGY OF MUSCLE The molecular motor of muscle

Learning Outcome. Discuss muscle contraction [development, adaptation to training and fatigue]. Learning Objectives. After this lecture and associated reading you will be able to: [Describe myofibrillar and other key proteins of the muscle fibre].

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MUSCLE TISSUE

MUSCLE TISSUE. MUSCLE TISSUE. A primary tissue type, divided into: skeletal muscle cardiac muscle smooth muscle. Connective Tissue Organization . 1. Epimysium Exterior collagen layer Surrounds entire muscle Separates muscle from surrounding tissues 2. Perimysium

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Physiology of Skeletal Muscle Contraction

Physiology of Skeletal Muscle Contraction. The Muscle Action Potential ( AP ). Muscle RMP = -90 mV ( same as in nerves ) . Duration of AP = 1-5 ms ( longer duration than nerve AP , which is usually about 1 ms ) . Conduction Velocity = 3-5 m/s ( slower than big nerves ).

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Cellular Movement and Muscles

Cellular Movement and Muscles. Cellular movement. Movement is a property of all cells. Some cells (such as this amoeba) can move through their environment. All cells can move components through the cytoplasm (such as the vesicles in this amoeba). Cytoskeleton and Motor Proteins.

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Physiology of Skeletal Muscle Contraction

Physiology of Skeletal Muscle Contraction. Dr.Mohammed Alotaibi MRes , PhD (Liverpool, England) Department of Physiology College of Medicine King Saud University. Physiologic Anatomy of Skeletal Muscle.

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Muscular System

Muscular System. Muscles for Locomotion. Engage. Tennis Ball Muscle Activity. Explore. Chicken Wing Dissection

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Chapter 36 Skeletal, Muscular and Integumentary Systems

Chapter 36 Skeletal, Muscular and Integumentary Systems. Section Outline. Section 36-1. I. The Skeletal System A. The Skeleton: two subdivisions: Axial and Appendicular 1. Functions a. supports the body

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STRUCTURE OF SKELETAL MUSCLE

??? ???? ?????? ??????. STRUCTURE OF SKELETAL MUSCLE . Dr.Mohammed Sharique Ahmed Quadri Assistant Professor, Physiology. Objectives. By the end of this lecture, you should be able to:

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Figure 6.4b Muscle cells.

Figure 6.4b Muscle cells. Figure 6.1a Movement of bones. Figure 6.1b Movement of bones. Figure 6.3 Muscle structure. Epimysium. Bone. Tendon. Blood vessel. Fascicle (wrapped by perimysium). Endomysium (between individual muscle fibers). Muscle fiber.

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Molecular Basis of Skeletal Muscle Contraction

??? ???? ?????? ??????. Molecular Basis of Skeletal Muscle Contraction. Dr.Mohammed Sharique Ahmed Quadri Assistant Professor Department Basic Medical Sciences Division of Physiology Faculty o f Medicine Almaarefa Colleges.

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IPHY 3430 11-01-11 MUSCLE SYSTEM

IPHY 3430 11-01-11 MUSCLE SYSTEM. MUSCLE SYSTEM 1. contributes to homeostasis by moving materials from one place to another (blood, food, urine, fetus) 2. contributes to energetics by using ATP for muscle contraction.

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Making Lasting Bonds Through Synthetic Chemistry

Making Lasting Bonds Through Synthetic Chemistry. Tim Hubin and William Kelly Southwestern Oklahoma State University. Overview. Laboratory Work Multistep Organic Synthesis and Characterization of a Macrocyclic Ligand (unique to each group)

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Ch 6 Muscular System Review Part 1

Ch 6 Muscular System Review Part 1. 4 Major Features of the Sarcomere. Highly ordered repeating units of actin and myosin Basic structural and functional unit of skeletal muscle Smallest portion of skeletal muscle capable of contracting Extends from z disk to z disk.

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Exit I-25 at Woodmen Road and go west on Woodmen Road. Cross Bridge.

168 views • 1 slides