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Friday, July 10, 2020 | History

2 edition of dynamic characteristics of human skeletal muscle modeled from surface stimulation found in the catalog.

dynamic characteristics of human skeletal muscle modeled from surface stimulation

Jean A. Tennant

dynamic characteristics of human skeletal muscle modeled from surface stimulation

by Jean A. Tennant

  • 218 Want to read
  • 10 Currently reading

Published by National Aeronautics and Space Administration; [for sale by the National Technical Information Service, Springfield, Va.] in Washington .
Written in English

    Subjects:
  • Muscle contraction -- Mathematical models.,
  • Electrophysiology.

  • Edition Notes

    Statementby Jean A. Tennant.
    SeriesNASA contractor report, NASA, CR-1691, NASA contractor report ;, NASA CR-1691.
    ContributionsUnited States. National Aeronautics and Space Administration.
    Classifications
    LC ClassificationsTL521.3 .C6A3 no. 1691, QP321 .C6A3 no. 1691
    The Physical Object
    Paginationxi, 104 p.
    Number of Pages104
    ID Numbers
    Open LibraryOL5276143M
    LC Control Number71611112

    Dynamic skin deformation simulation using musculoskeletal model and soft tissue dynamics 51 method [15–17] or the finite volume method [18]. To avoid issues with stability and computation, data-driven approaches model skin deformation directly from data rather than simulating the behavior of each layer in the musculoskeletal by: 7. Joe Muscolino’s The Muscular System Manual: The Skeletal Muscles of the Human Body, 4th Edition is an atlas of the muscles of the human body. This approachable, yet detailed, musculoskeletal anatomy manual provides both beginner and advanced students with a thorough understanding of skeletal muscles in a compartmentalized, customizable by:

      The Journal of Applied Physiology publishes original papers that deal with diverse areas of research in applied physiology, especially those papers emphasizing adaptive and integrative mechanisms. Adaptive physiology includes 1) inherent adaptations such as those related to development, aging, and pathophysiological conditions and 2) adaptations to the . The etiology of skeletal muscle fatigue is not well understood partly because techniques portraying muscle performance in vivo are limited by either their invasiveness (e.g., needle electrodes) or.

    Publisher Summary. This chapter emphasizes on the people and ideas used in their recent history of respiratory physiology. It corresponds with several of the major scientists in this area over the past 50 years, who have shared their personal motivation to study respiration and exercise, their own perception of their contributions, and the important questions that remain unanswered in . Aminopyridines and Similarly Acting Drugs: Effects on Nerves, Muscles and Synapses on neuromuscular transmission at skeletal muscle, on parasympathetic and sympathetic neuroeffector transmission and on cardiac muscle. 4-Aminopyridine is a potent drug to increase transmitter release from motor nerves and reverse muscle paralysis in human.


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Dynamic characteristics of human skeletal muscle modeled from surface stimulation by Jean A. Tennant Download PDF EPUB FB2

Dynamic muscle stimulation as a means to enhance fluid flow in bone. It is hypothesized that skeletal muscle contraction can increase blood flow within musculoskeletal tissues and generate bone strain within the physiological raCited by: It is hypothesized that the interaction between bone and muscle may depend on fluid exchange in these tissues by mechanical loading.

It has been shown that intramedullary pressure (ImP) and low-level bone strain induced by muscle stimulation (MS) has the potential to mitigate bone loss induced by disuse by: Dynamic skeletal muscle stimulation and its potential in bone adaptation Article Literature Review (PDF Available) in Journal of musculoskeletal & neuronal interactions 10(1).

The effect of muscle fatigue on the isometric contractile characteristics of skeletal muscle in the cat. Isometric endurance in fast and slow muscles in the cat. Insulin sensitivity of rat skeletal muscle: effects of starvation and by: Static loading has a lesser effect on bone healing and remodeling,62, 63, 64 whereas dynamic stimulation has been shown effective for bone formation through in vivo animal models and preliminary clinical studies, 66 The potential of using high-frequency, low-magnitude mechanical stimulation to improve the quantity and quality of skeletal Author: Yi-Xian Qin, Minyi Hu.

simple models for many muscles composing a large region of the body (e.g. the upper limb or lower extremity), or highly detailed muscle models that can only be simulated a few muscles at a time.

Common muscle models compute accurate muscle moment arms and muscle/tendon lengths, but only resolve the average muscle line of action [13], [18].File Size: 6MB.

SKELETAL MUSCLE ELECTRICAL STIMULATION One of the most exciting prospects of functional electrical stimulation is based on the presently little understood phenomena of carry-over. As described previously in this article, the effects of electrical stimulation have been observed to continue, after being removed, for some by:   The ability of electrical stimulation protocols to improve skeletal muscle performance in healthy and dysfunctional muscle is widely accepted and routinely demonstrated in research studies as well as in clinical practice.

1–7 However, although most investigators report increases in muscle performance with its use, there are discrepancies in Cited by: Skeletal muscle is the actuator of motor programs generated by the central nervous system (CNS).

The CNS fine-tuning of muscles’ activity makes. A) Skeletal muscle fibers continue to divide throughout childhood as skeletal muscles grow B) Skeletal muscle fibers begin as undifferentiated cells called myoblasts during fetal development C) Skeletal muscle fibers are multinucleated cells D) Some skeletal muscle fibers may reach lengths of 20cm.

Brown JMC, Henriksson J, Salmons S () Restoration of fast muscle characteristics following cessation of chronic stimulation: physiological, histochemical and metabolic changes during slow-to-fast by: Describe the characteristics of skeletal muscle as described in lecture and the introduction of chapter Focus on the structural levels of a muscle as described in figure (all editions).

The striated appearance of skeletal muscle is due to the a. orderly arrangement of the T tubules b. orderly arrangement of the lateral sacs of the sarcoplasmic reticulum c.

orderly arrangement of the thick and thin filaments into A and I bands d. orderly arrangement of the motor units e. presence of white and red muscle fibers within the muscle. The response of muscle to an impulse of stimulus is called a twitch. For a linear system, the convolution of an input to the system with the system's impulse response yields the output of the system.

Experiments were performed to obtain the surface e.m.g. from human triceps muscle during isometric contractions. This e.m.g. was filtered and rectified, and Cited by: Skeletal muscles, excluding those of the head and limbs, develop from mesodermal somites, whereas skeletal muscle in the head and limbs develop from general mesoderm.

Somites give rise to myoblasts. A myoblast is a muscle-forming stem cell that migrates to different regions in the body and then fuse(s) to form a syncytium, or myotube. We introduce a comprehensive biomechanical model of the human upper body.

Our model confronts the combined challenge of mod-eling and controlling more or less all of the relevant articular bones and muscles, as well as simulating the physics-based deformations of the soft tissues. Its dynamic skeleton comprises 68 bones withCited by:   Skeletal muscles, exposed to a prolonged period of specific functional demands, respond adaptively.

Electrical stimulation, when employed as a technique for subjecting selected muscles to altered use, enables precise entrainment of the pattern of functional activity. In this investigation, the vastus lateralis muscle in a group of volunteers was by: 9.

genetically determined and related to age. Within human skeletal muscles, fiber arrangements are parallel or pennate. Pennate fiber arrangements promote force production, whereas parallel fiber arrangement enables greater shortening of the muscle. Muscle responds to stimulation by developing tension.

Depending on. Neuromuscular electrical stimulation (NMES) is commonly used in clinical settings to activate skeletal muscle in an effort to mimic voluntary contractions and enhance the rehabilitation of human skeletal muscles.

It is also used as a tool in research to assess muscle performance and/or neuromuscular activation levels. However, there are fundamental Cited by: Furthermore, muscle structural properties, such as the distribution of muscle fiber types, have influence on the ability of skeletal muscle to exert high peak force and rate of force development (2, 22, 49).

Neural and muscle structural properties likely play the imperative role for RTD; however, the present data extend previous results by suggesting that the mechanical properties Cited by:.

As skeletal muscle and bone are interrelated and inter-dependent, and that optimized stimulation signals are crucial for tissue regeneration, we were interested in investigating the frequency effect of DEMS and the effect of the dynamic components derived from DHS on the muscle fiber morphological responses under disuse condition.

We propose a model in which heightened afferent input associated with electrical muscle stimulation plays a key role in neural adaptations to EST (Fig. 1). Because peripheral sensory nerves have a lower threshold of excitability compared with the sarcolemma surrounding muscle fibers, electrical muscle stimulation, Cited by: Evidence for complex system integration and dynamic neural regulation of skeletal muscle recruitment during exercise in humans.

Research Unit for Exercise Science and Sports Medicine, University of Cape Town, Newlands, South Africa. This article has Cited by: