Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 561811
Title A two dimensional model for the prediction of muscle shape and intramuscular pressure
Author(s) Leeuwen, J.L. Van; Spoor, C.W.
Source European journal of morphology 34 (1996)1. - ISSN 0924-3860 - p. 25 - 30.
DOI https://doi.org/10.1076/ejom.34.1.25.13155
Publication type Refereed Article in a scientific journal
Publication year 1996
Keyword(s) Curved fibres - Intramuscular pressure - Muscle architecture
Abstract

Traditional pennate skeletal muscle models with straight fibres and straight tendinous sheets cannot assume realistic muscle shapes and are unsuitable for predicting intramuscular pressure. The two dimensional models proposed here have flexible fibres and tendinous sheets of which the curvatures are in mechanical equilibrium with the intramuscular pressure distribution. Analytical relationships between fibre stress, pressure, curvatures and lengths of fibres and tendinous sheets have been derived based on physical laws and functional demands. These relationships were used to generate unipennate muscle shapes and to calculate pressure distributions. The results compare well with the shapes of the medial gastrocnemius muscles of man and cat and with maximum intramuscular pressures as reported in the literature.

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