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Title

Hindlimb morphology and locomotor performance in waders: an evolutionary approach

AuthorsBarbosa, Andrés ; Moreno, Eulalia
KeywordsEcomorphology
Evolution
Locomotion performance
Hindlimb
Morphology
Osteology
Myology
Waders
Issue Date1999
PublisherAcademic Press
CitationBiological Journal of the Linnean Society, Volume 67 Issue 3, Pages 313 - 330
AbstractLocomotion performance (measured as stride frequency and stride length) was studied in 16 species of waders. Differences in hindlimb morphology (osteology and myology) were analysed among species. Evolutionary changes in both locomotion and morphological variables were analysed using comparative methods revealing the existence of some ecomorphological patterns relating these two sets of characters. Evolutionary changes in stride frequency were correlated with changes in the muscles M. iliotibialis cranialis, M. iliotibiales lateralis and M. gastrocnemius, whereas changes in stride length showed correlated evolution with changes in the length of distal segments of the leg. We identify two different evolutionary strategies in locomotion of waders. One is a change in distal leg segments (skeletal system), an adaptive modification that increases stride length; the second is a change in the skeletal-muscular system, providing an increase in muscular performance (force or speed of contraction) in several muscles, and is an adaptation that increases stride frequency.
Publisher version (URL)http://dx.doi.org/10.1111/j.1095-8312.1999.tb01936.x
URIhttp://hdl.handle.net/10261/9047
DOI10.1111/j.1095-8312.1999.tb01936.x
ISSN0024-4066
E-ISSN1095-8312
Appears in Collections:(EEZA) Artículos
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