Biomechanics and Visual Ecology of Directed Aerial Descent in Larval Stick Insects

Meeting Abstract 50.4  Saturday, Jan. 5  Biomechanics and Visual Ecology of Directed Aerial Descent in Larval Stick Insects ZENG, Y.*; DANIEL, T.; DUDLEY, R.; Univ. of California, Berkeley; Univ. of Washington; Uni. of California, Berkeley dreamoniz@gmail.com Recent work has shown that many tropical ants falling from trees can direct their paths to return to the tree trunk, […]

3D Kinematics of the Dorsal Fins in Spiny Dogfish during Steady Swimming

Meeting Abstract 50.1  Saturday, Jan. 5  3D Kinematics of the Dorsal Fins in Spiny Dogfish during Steady Swimming MAIA, A.*; WILGA, C.D.; Univ. of Rhode Island, Kingston; Univ. of Rhode Island, Kingston amaia@mail.uri.edu The dorsal fin in actinopterygians has been shown to function as a stabilizer in some species and as a propulsive element that augments the […]

3-D flight trajectories vary with light level in the nocturnal sweat bee, Megalopta

Meeting Abstract 50.5  Saturday, Jan. 5  3-D flight trajectories vary with light level in the nocturnal sweat bee, Megalopta THEOBALD, J C*; COATES, M C; WARRANT, E J; WCISLO, W T; Univ. of California, Los Angeles; Lund University, Sweden; Lund University, Sweden; Smithsonian Tropical Research Institute, Panama jamiet@physci.ucla.edu We examined how light limits the sweat bee Megalopta‘s […]

Terrestrial jumping in the mangrove killifish Kryptolebias marmoratus

Meeting Abstract 49.4  Saturday, Jan. 5  Terrestrial jumping in the mangrove killifish Kryptolebias marmoratus PACE, C.; GIBB, A.C.*; ECKEL, J.; Northern Arizona University; Northern Arizona University; Northern Arizona University alice.gibb@nau.edu The amphibious mangrove killifish (Kryptolebias marmoratus) exhibits terrestrial jumping (or leaping); however, the mechanism that generates this behavior is undescribed. We address two questions about this behavior: […]

Swimming spines of sharks

Meeting Abstract 49.5  Saturday, Jan. 5  Swimming spines of sharks PORTER, ME*; ROQUE, CM; SUMMERS, AP; University of California, Irvine; University of California, Irvine; University of California, Irvine porterm@uci.edu Maneuverability is a characteristic of locomotion that is difficult to assess, and can be measured as the turning radius of an animal, turning speed, the ability to accelerate […]

Kinetics of quadrupedal locomotion on slippery and rough arboreal trackways

Meeting Abstract 49.2  Saturday, Jan. 5  Kinetics of quadrupedal locomotion on slippery and rough arboreal trackways LAMMERS, A.R.; Cleveland State Univ., Ohio a.Lammers13@csuohio.edu Most small quadrupedal mammals regularly encounter and move on fallen tree branches, twigs and logs. Arboreal substrates have a wide range of textures, but all studies of locomotion on arboreal substrates attempt to provide […]

Independent Effects of Weight and Mass on Muscle Activity During Walking

Meeting Abstract 49.3  Saturday, Jan. 5  Independent Effects of Weight and Mass on Muscle Activity During Walking MCGOWAN, C.P.; University of Texas at Austin cpmcgowan@mail.utexas.edu Most studies agree that both gastrocnemius (GAS) and soleus (SOL) contribute to weight support during walking in humans. However, there is no current consensus as to the relative contribution of GAS and […]

Climbing on the floor Kinematics and energy cost of locomotion for horizontal and vertical crawling are not different

Meeting Abstract 49.1  Saturday, Jan. 5  Climbing on the floor: Kinematics and energy cost of locomotion for horizontal and vertical crawling are not different WOODS JR., W. A.*; VANGRIETHUIJSEN, L.; TRIMMER, B. A. ; Tufts University; Tufts University; Tufts University william.woods@tufts.edu Regardless of body orientation, caterpillars accomplish forward locomotion by lifting , swinging forward, and replacing successive […]

Using stable isotopes to monitor lean mass loss in an extreme hibernator, Spermophilus parryii

Meeting Abstract 48.5  Saturday, Jan. 5  Using stable isotopes to monitor lean mass loss in an extreme hibernator, Spermophilus parryii LEE, Trixie N.**; O’BRIEN, Diane M.; BUCK, C. Loren; BARNES, Brian M.; Univ. of Alaska, Fairbanks; Univ. of Alaska, Fairbanks; Univ. of Alaska, Anchorage; Univ. of Alaska, Fairbanks fttnl@uaf.edu Arctic ground squirrels (Spermophilus parryii) are small hibernators […]

Thermal tolerances in bottlenose dolphins

Meeting Abstract 48.6  Saturday, Jan. 5  Thermal tolerances in bottlenose dolphins YEATES, Laura C*; HOUSER, Dorian S; US Navy Marine Mammal Program; US Navy Marine Mammal Program yeatesl@spawar.navy.mil Bottlenose dolphins are found worldwide in temperate and tropical waters but are generally absent from 45 degrees pole-ward in either hemisphere. Limitations to the distribution of bottlenose dolphins have […]

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