'Motor units' presentation slideshows

654 views • 57 slides

665 views • 57 slides

Chapter 1

Chapter 1. Structure and Function of Exercising Muscle. Chapter 1 Overview. Functional anatomy of skeletal muscle Muscle fiber Myofibril Muscle fiber contraction Skeletal muscle and exercise Muscle fiber types Muscle fiber (motor unit) recruitment

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Chapter 9

Muscular System Lecture. Chapter 9. The Muscular System: Skeletal Muscle Tissue and Muscle Organization . Introduction. There are three types of muscle tissue: Skeletal muscle tissue moves the body by pulling on bones of the skeleton.

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676 views • 48 slides

Muscle Physiology

Muscle Physiology. Chapter 12. Muscle Tissue. Specially designed to contract Generates mechanical force Functions locomotion and external movements internal movement (circulation, digestion) heat generation. Types of Muscle. Skeletal - attached to skeleton

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Review For Quiz and Final Exam

Review For Quiz and Final Exam. Mrs. Ashley. Skeletal System:. __________ 20. The condition that affects the skeletal system resulting in reduced bone density and bone mass, often as a result of reduced estrogen levels is _________ A. osteomyelitis B. arthritis C. osteoarthritis

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Biological/Structural Bases

Biological/Structural Bases. Mechanics of the Musculoskeletal System. Tissue Loads. When forces are applied to a material they create loads Axial loadings Combined Loads. Axial Loadings. Compression External Forces tend to squeeze the molecules of a material together Tension

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Neuromuscular function Muscle contraction

Topic 4: Movement Analysis. Neuromuscular function Muscle contraction. How does the muscular system contribute to human movement?. Nervous system connecting with muscular system.

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Depolarization of Muscle Membrane

Depolarization of Muscle Membrane. The EMG signal is derived from the depolarization of the muscle membrane. The electrodes record the sum of all of the muscle fiber action potentials from all the active motor units that pass through the recording zone of the electrodes. EMG Signal.

591 views • 27 slides

ANATOMY OF A MUSCLE

ANATOMY OF A MUSCLE. FROM FASCIA TO FILAMENT. Connective Tissue Coverings. Skeletal Muscle- Organ Composed of muscle, nervous, circulatory and connective tissue A Muscle is an organ with several levels of organization

497 views • 27 slides

Muscles

Muscles. Striated Cardiac Smooth Excitability and contractibility. animations. http://www.dnatube.com/video/4875/Physiology-of-muscle-contraction-and-relaxation http://www.dnatube.com/video/1306/Role-of-myosin-crossbridge-in-the-contraction-of-muscle

549 views • 27 slides

Rapid Sequence Induction/ Intubation

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Muscle Forces

Involved in bench press and squats. Muscle Forces. Muscle Forces. The force generated by a muscle action Depends on: number and type of motor units activated the size of the muscle the initial length of the muscle when activated the angle of the joint

347 views • 15 slides

Smooth Muscle

Smooth Muscle. Spindle-shaped cells 2-10 ? m across & ~100 ? m long Have a thin endomysium Organized into longitudinal and circular layers Found in walls of contractile organs (except the heart). Innervation of Smooth Muscle. Lacks neuromuscular junctions

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Spinal Control of Movement

310 views • 11 slides

exercise presentation for jo

Exercise Presentation for Jo

316 views • 10 slides

Structure and Function

281 views • 9 slides

Structure and Function

326 views • 9 slides

NEUROMUSCULAR RESPONSE TO TRAINING

NEUROMUSCULAR RESPONSE TO TRAINING. YEAR 12 PE STUDIES UNIT 2A / 2B. In addition to the cardiorespiratory system, another system that responds to training and contributes to improvements in performance is the NEUROMUSCULAR SYSTEM.

249 views • 8 slides