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American Zoologist 1996 36(6):619-627; doi:10.1093/icb/36.6.619
© 1996 by The Society for Integrative and Comparative Biology
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Issues for Aquatic Pedestrian Locomotion1

MARLENE M. MARTINEZ
Department of Integrative Biology, University of California Berkeley, California 94720

Aquatic pedestrian locomotion represents an important mode of locomotion for many aquatic and amphibious animals, both extant and extinct. Unlike terrestrial locomotion where weight is the defining force, in aquatic locomotion buoyancy and hydrodynamic forces may be as important as weight. Aquatic pedestrian locomotion differs fundamentally from swimming because pedestrians must maintain contact with the substratum in order to locomote. Ambient water motion may constrain or prevent locomotion of aquatic pedestrians by requiring that they actively grip the substratum. A comprehensive biomechanical analysis of aquatic pedestrian locomotion will require an integration of hydrodynamics with terrestrial locomotor dynamics.


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