Allometry of the leg muscles of birds

Bennett M.B. (1996) Allometry of the leg muscles of birds. Journal of Zoology, 238 3: 435-443.

Author Bennett M.B.
Title Allometry of the leg muscles of birds
Journal name Journal of Zoology   Check publisher's open access policy
ISSN 0952-8369
Publication date 1996-01-01
Year available 1996
Sub-type Article (original research)
Open Access Status Not yet assessed
Volume 238
Issue 3
Start page 435
End page 443
Total pages 9
Place of publication OXFORD
Publisher OXFORD UNIV PRESS UNITED KINGDOM
Language eng
Subject 1103 Clinical Sciences
Abstract The musculoskeletal components of the hindlimbs of 20 species of birds, considered non-runners, were examined. Allometry was used to compare these data with previously published information on the limbs of running birds. In non-runners the digital flexor muscle and tendon areas scaled approximately isometrically, in contrast to running birds where tendon areas had a lower exponent. Non-running birds had muscle fibre areas approximately half that of runners of equal mass. In both groups, the muscle:tendon area ratio for m. gastrocnemius increased as M(0.13), suggesting factors other than elastic energy storage are important. Runners exhibited relatively longer tibiotarsi and tarsometatarsi and shorter toes. With very few exceptions, the linear dimensions of bones, tendon cross-sectional areas, and muscle masses and fibre areas in the legs of the non-running birds scaled closely according to the requirements for geometric similarity, but the confidence limits are often wide. Deviations from geometric similarity in birds reflect differences in locomotor behaviours and abilities.
Keyword Mammalian Tendons
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import - Archived
 
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