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Getting a grip on tetrapod grasping: form, function, and evolution.
MedLine Citation:
PMID:  23286759     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Human beings have been credited with unparalleled capabilities for digital prehension grasping. However, grasping behaviour is widespread among tetrapods. The propensity to grasp, and the anatomical characteristics that underlie it, appear in all of the major groups of tetrapods with the possible exception of terrestrial turtles. Although some features are synapomorphic to the tetrapod clade, such as well-defined digits and digital musculature, other features, such as opposable digits and tendon configurations, appear to have evolved independently in many lineages. Here we examine the incidence, functional morphology, and evolution of grasping across four major tetrapod clades. Our review suggests that the ability to grasp with the manus and pes is considerably more widespread, and ecologically and evolutionarily important, than previously thought. The morphological bases and ecological factors that govern grasping abilities may differ among tetrapods, yet the selective forces shaping them are likely similar. We suggest that further investigation into grasping form and function within and among these clades may expose a greater role for grasping ability in the evolutionary success of many tetrapod lineages.
Authors:
Diego Sustaita; Emmanuelle Pouydebat; Adriana Manzano; Virginia Abdala; Fritz Hertel; Anthony Herrel
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-3
Journal Detail:
Title:  Biological reviews of the Cambridge Philosophical Society     Volume:  -     ISSN:  1469-185X     ISO Abbreviation:  Biol Rev Camb Philos Soc     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-4     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0414576     Medline TA:  Biol Rev Camb Philos Soc     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2013 The Authors. Biological Reviews © 2013 Cambridge Philosophical Society.
Affiliation:
Ecology and Evolutionary Biology, University of Connecticut, 75 N. Eagleville Road, Storrs, CT, 06269-3043, USA.
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