Terrestrial Locomotion
Mostrando 1-10 de 10 artigos, teses e dissertações.
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1. The use of pelvic fins for benthic locomotion during foraging behavior in Potamotrygon motoro (Chondrichthyes: Potamotrygonidae)
Synchronized bipedal movements of the pelvic fins provide propulsion (punting) during displacement on the substrate in batoids with benthic locomotion. In skates (Rajidae) this mechanism is mainly generated by the crural cartilages. Although lacking these anatomical structures, some stingray species show modifications of their pelvic fins to aid in benthic l
Zoologia (Curitiba). Publicado em: 2015-06
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2. Descripción del postcráneo de Rhipidomys austrinus y Graomys griseoflavus (Rodentia, Cricetidae, Sigmodontinae)
We described the postcranial skeleton of two species of sigmodontine rodents, Rhipidomys austrinus Thomas, 1921 and Graomys griseoflavus (Waterhouse, 1837). Each structure of the postcranial skeleton is here described in details of shape, size, surface, and orientation. The skeletal anatomy of these two species shows morphological characters associated with
Iheringia. Série Zoologia. Publicado em: 2011-09
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3. Monoamines in the pedal plexus of the land snail Megalobulimus oblongus (Gastropoda, Pulmonata)
In molluscs, the number of peripheral neurons far exceeds those found in the central nervous system. Although previous studies on the morphology of the peripheral nervous system exist, details of its organization remain unknown. Moreover, the foot of the terrestrial species has been studied less than that of the aquatic species. As this knowledge is essentia
Publicado em: 2010
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4. Estudo comparativo da densidade e topografia de neurônios de retinas de Philodryas olfesii e P. patagoniensis (serpentes, colubridae) / Text not informed by the author.
Snakes are a diversified group found in almost all regions of the planet, occupying different habitats, with exception to Polar Regions, a few islands and the deeper ocean waters. Its diversity indicates the high variability of sensory organs, which are adapted to the habits and habitats of each species. Studies about snakes visual system are scarce and have
Publicado em: 2009
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5. Energética e mecânica da caminhada e corrida humana com especial preferência à locomoção em plano inclinado e efeitos da idade
Dois modelos mecânicos, o pêndulo-invertido e o massa-mola, explicam como os mecanismos pendular e elástico minimizam o dispêndio energético advindo dos músculos durante caminhada e corrida humana. A presente tese testa dois efeitos que, para nosso conhecimento, todavia não possuem respostas conclusivas da literatura, nomeadamente o processo de envelh
Publicado em: 2008
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6. Correlações entre parâmetros cinemáticos da locomoção terrestre e energética em Cebus apella (macaco-prego) / Correlations between kinematic parameters of terrestrial locomotion and energetics in Cebus apella (capuchin monkey)
O presente estudo teve como objetivo avaliar o custo energético e alguns aspectos da biomecânica associados à locomoção em Cebus apella (macaco-prego). Para tanto, medidas de taxa metabólica (consumo de oxigênio) e de parâmetros cinemáticos (freqüência de passos, tempo de contato das patas com o plano de apoio, comprimento dos passos e amplitudes
Publicado em: 2006
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7. Monoamines in the pedal plexus of the land snail Megalobulimus oblongus (Gastropoda, Pulmonata)
In molluscs, the number of peripheral neurons far exceeds those found in the central nervous system. Although previous studies on the morphology of the peripheral nervous system exist, details of its organization remain unknown. Moreover, the foot of the terrestrial species has been studied less than that of the aquatic species. As this knowledge is essentia
Brazilian Journal of Medical and Biological Research. Publicado em: 2004-07
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8. Biomimetic ratcheting motion of a soft, slender, sessile gel
Inspired by the locomotion of terrestrial limbless animals, we study the motion of a lubricated rod of a hydrogel on a soft substrate. We show that it is possible to mimic observed biological gaits by vibrating the substrate and by using a variety of mechanisms to break longitudinal and lateral symmetry. Our simple theory and experiments provide a unified vi
National Academy of Sciences.
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9. Pelvic and thigh musculature in frogs (Anura) and origin of anuran jumping locomotion
Comparative analysis of the anuran pelvic and thigh musculoskeletal system revealed that the thigh extensors, responsible for the initial phase of jump, the propulsive stroke in swimming and, if used asynchronously, also for walking, are least affected by the transformations observed between anurans and their temnospondyl ancestors (as reflected in contempor
Blackwell Science Inc.
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10. Ontogeny of bipedal locomotion: walking and running in the chick.
1. The purpose of this study was to determine whether the production of an energy-efficient bipedal walk is an innate attribute of a precocial bird. 2. The locomotor characteristics of hatchling chicks were quantified using kinetic (ground reaction forces) and kinematic (stride length, leg support duration) measurements as the animals moved overground unrest