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Keywords: Torque
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Journal Articles
J Exp Biol (2022) 225 (1): jeb242305.
Published: 7 January 2022
... a correcting torque at a discrete contact point, or (2) applying opposing horizontal forces at separate contact points to produce a free moment. We tested these potential strategies in small parrots with an experimental climbing apparatus imitating the fine branches and vines of their natural habitat...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (15): jeb242677.
Published: 3 August 2021
... into two factors: (i) the torque of the center of gravity (CoG) with respect to the critical tipping axis, and (ii) the torque of the legs, which has the potential to counterbalance the CoG torque. Our comparative locomotion analysis on level locomotion and inclined locomotion exhibited that primarily only...
Journal Articles
J Exp Biol (2019) 222 (6): jeb189654.
Published: 21 March 2019
... that quolls have some biomechanical characteristics consistent with a stability advantage on narrow surfaces. This includes the coupled use of limb pairs, as indicated via a decrease in footfall time, and an ability to produce corrective torques to counteract the toppling moments commonly encountered during...
Includes: Supplementary data
Journal Articles
J Exp Biol (2016) 219 (21): 3399–3411.
Published: 1 November 2016
... of magnitude smaller, yet experienced values of drag-induced torque similar to those of a spearing species ( Lysiosquillina maculata ). The dactyl, a stabbing segment that can be opened at the distal end of the appendage, generated substantial additional drag in the smasher, but not in the spearer, which uses...
Includes: Supplementary data
Journal Articles
J Exp Biol (2012) 215 (15): 2611–2620.
Published: 1 August 2012
...Greg Byrnes; Bruce C. Jayne SUMMARY Traversing gaps with different orientations within arboreal environments has ecological relevance and mechanical consequences for animals. For example, the orientation of the animal while crossing gaps determines whether the torques acting on the body tend...
Includes: Multimedia, Supplementary data
Journal Articles
Journal Articles
J Exp Biol (2002) 205 (12): 1683–1702.
Published: 15 June 2002
... properties. We performed forward dynamic simulations of jumping to determine the minimal number of joint degrees of freedom required to produce maximal-distance jumps and to produce jumps of varied take-off angles. The forward dynamics of the models was driven with joint torque patterns determined from...
Journal Articles
Journal Articles
Journal Articles
J Exp Biol (2000) 203 (12): 1869–1885.
Published: 15 June 2000
... and head-up at 30 °. In water, their centre of mass was ventral to the muscles in the yolk mass. A simple mathematical model suggests that the orientation of tadpoles during swimming is governed by the action of two torques, one of which raises the head (i.e. increases the pitch) and the other rotates...