Search Results - "Weihmann, Tom"

Crawling at High Speeds: Steady Level Locomotion in the Spider Cupiennius salei-Global Kinematics and Implications for Centre of Mass Dynamics by Weihmann, Tom

“…Spiders are an old yet very successful predatory group of arthropods. Their locomotor system differs from those of most other arthropods by the lack of…”
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The Smooth Transition From Many-Legged to Bipedal Locomotion-Gradual Leg Force Reduction and its Impact on Total Ground Reaction Forces, Body Dynamics and Gait Transitions by Weihmann, Tom

“…Most terrestrial animals move with a specific number of propulsive legs, which differs between clades. The reasons for these differences are often unknown and…”
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Fast and Powerful: Biomechanics and Bite Forces of the Mandibles in the American Cockroach Periplaneta americana by Weihmann, Tom, Reinhardt, Lars, Weißing, Kevin, Siebert, Tobias, Wipfler, Benjamin

“…Knowing the functionality and capabilities of masticatory apparatuses is essential for the ecological classification of jawed organisms. Nevertheless insects,…”
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Morphological, functional, and phylogenetic aspects of the head capsule of the cockroach Ergaula capucina (Insecta/Blattodea) by Wipfler, Benjamin, Triesch, Felix, Evangelista, Dominic, Weihmann, Tom

“…Cockroaches are usually typical omnivorous detritivores and their cephalic morphology is considered to be ancestral in various aspects. Thus, several studies…”
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Speed dependent phase shifts and gait changes in cockroaches running on substrates of different slipperiness by Weihmann, Tom, Brun, Pierre-Guillaume, Pycroft, Emily

“…Many legged animals change gaits when increasing speed. In insects, only one gait change has been documented so far, from slow walking to fast running, which…”
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Dynamics and kinematics of ant locomotion: do wood ants climb on level surfaces? by Reinhardt, Lars, Weihmann, Tom, Blickhan, Reinhard

“…The biomechanics of running in small animals have remained poorly characterized because of the difficulty of recording three-dimensional ground reaction…”
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Species richness and composition are not sufficient for determining the functionality of ancient ecosystems by Weihmann, Tom

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Survey of biomechanical aspects of arthropod terrestrialisation – Substrate bound legged locomotion by Weihmann, Tom

“…Arthropods are the most diverse clade on earth with regard to both species number and variability of body plans. Their general body plan is characterised by…”
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Leg force interference in polypedal locomotion by Weihmann, Tom

“…The examination of gaits and gait changes has been the focus of movement physiology and legged robot engineering since the first emergence of the fields. While…”
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Understanding the ant's unique biting system can improve surgical needle holders by Wipfler, Benjamin, Hoepfner, Ole, Viebahn, Felix, Weihmann, Tom, Rieg, Frank, Engelmann, Carsten

“…Mechanical grasping and holding devices depend upon a firm and controlled grip. The possibility to improve this gripping performance is severely limited by the…”
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Conservation genetic analysis of a Central-European range-margin population of the yellow-bellied toad (Bombina v. variegata) by Weihmann, Frank, Weihmann, Silvia, Weihmann, Tom

“…The aim of this study was to investigate the genetic structure and diversity of populations of the yellow-bellied toad in Lower Saxony, Germany. These…”
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Comparing inclined locomotion in a ground-living and a climbing ant species: sagittal plane kinematics by Weihmann, Tom, Blickhan, Reinhard

“…Formicine ants are able to detect slopes in the substrates they crawl on. It was assumed that hair fields between the main segments of the body and between the…”
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Measuring strain in the exoskeleton of spiders—virtues and caveats by Blickhan, Reinhard, Weihmann, Tom, Barth, Friedrich G.

“…The measurement of cuticular strain during locomotion using foil strain gauges provides information both on the loads of the exoskeleton bears and the adaptive…”
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Rules of nature’s Formula Run: Muscle mechanics during late stance is the key to explaining maximum running speed by Günther, Michael, Rockenfeller, Robert, Weihmann, Tom, Haeufle, Daniel F.B., Götz, Thomas, Schmitt, Syn

“…•A biomechanical model for calculating maximum legged running speed is formulated.•In the model, air drag equilibrates with horizontal ground reaction…”
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Hydraulic leg extension is not necessarily the main drive in large spiders by Weihmann, Tom, Günther, Michael, Blickhan, Reinhard

“…Unlike most other arthropods, spiders have no extensor muscles in major leg joints. Therefore, hydraulic pressure generated in the prosoma provides leg…”
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Crawling at High Speeds: Steady Level Locomotion in the Spider Cupiennius salei-Global Kinematics and Implications for Centre of Mass Dynamics. e65788 by Weihmann, Tom

“…Spiders are an old yet very successful predatory group of arthropods. Their locomotor system differs from those of most other arthropods by the lack of…”
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Climbing in hexapods: A plain model for heavy slopes by Günther, Michael, Weihmann, Tom

“…Usually, a climbing cockroach attaches with three legs to a substrate. According to a recent model study, pulling forces underneath the front leg are required…”
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Requirements and limits of anatomy-based predictions of locomotion in terrestrial arthropods with emphasis on arachnids by Weihmann, Tom, Goetzke, Hanns Hagen, Günther, Michael

“…Modern computer-aided techniques foster the availability and quality of 3D visualization and reconstruction of extinct and extant species. Moreover, animated…”
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Cupiennius salei: biomechanical properties of the tibia-metatarsus joint and its flexing muscles by Siebert, Tobias, Weihmann, Tom, Rode, Christian, Blickhan, Reinhard

“…Hunting spiders are well adapted to fast locomotion. Space saving hydraulic leg extension enables leg segments, which consist almost soley of flexor muscles…”
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Jumping kinematics in the wandering spider Cupiennius salei by Weihmann, Tom, Karner, Michael, Full, Robert J, Blickhan, Reinhard

“…Spiders use hemolymph pressure to extend their legs. This mechanism should be challenged when required to rapidly generate forces during jumping, particularly…”
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