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.

    We have a manual that explains all the features 

Record number 561836
Title Biting force in cichlids : A discussion of the planar model of barel (1983)
Author(s) leeuwen, J.L. Van; Spoor, C.W.
Source Netherlands Journal of Zoology 37 (1986)3-4. - ISSN 0028-2960 - p. 307 - 314.
Publication type Refereed Article in a scientific journal
Publication year 1986

Some consequences of a definition of the 'static biting force' in cichlid fishes by BAREL (1983) are explored. A free-body diagram of the lower jaw shows that apart from the forces of the food and the jaw adductor muscle on the jaw other forces are needed to obtain static equilibrium. The introduction of joint forces solves this problem. Our analysis also shows that in many biting activities a locomotor force is required. Starting from an alternative definition for the static biting force, quite different results may be obtained for the space requirements of the jaw adductor muscle and the lower jaw as compared to those of BAREL.

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