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Keywords: stability
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Journal Articles
J Exp Biol (2021) 224 (10): jeb233536.
Published: 19 May 2021
..., improving robustness to otherwise debilitating damage would significantly improve their utility in search and rescue or exploration. Summary: Despite limb loss, ghost crabs can run at fast running speeds by altering kinematics and limb couplings. Stability Limb pairing Ocypode Limb loss...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (8): jeb233718.
Published: 26 April 2021
... of the jet and stopped moving after its release. All other fins also showed a characteristic sequence of activation, some starting ∼0.5 s before the shot. Our findings suggest that shooting-related fin maneuvers are needed to stabilize the shooter, and that these maneuvers are an important component...
Journal Articles
J Exp Biol (2020) 223 (12): jeb217562.
Published: 15 June 2020
... 2019 6 5 2020 © 2020. Published by The Company of Biologists Ltd 2020 http://www.biologists.com/user-licence-1-1/ Summary: Free-ranging callitrichine primates adjust aspects of asymmetrical gait kinematics to promote stability when moving over arboreal substrates varying...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (10): jeb212316.
Published: 28 May 2020
...Wael Salem; Benjamin Cellini; Mark A. Frye; Jean-Michel Mongeau ABSTRACT Most animals shift gaze by a ‘fixate and saccade’ strategy, where the fixation phase stabilizes background motion. A logical prerequisite for robust detection and tracking of moving foreground objects, therefore...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (3): jeb214809.
Published: 10 February 2020
..., the tail might provide passive pitch stability if it produced very low or negative lift. Alternatively, aeronautical principles might suggest strategies that allow the tail to reduce inviscid, induced drag: if the wings and tail act in different horizontal planes, they might benefit from biplane-like...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (24): jeb207506.
Published: 17 December 2019
...Joshua L. Gaschk; Celine H. Frère; Christofer J. Clemente ABSTRACT The morphology and locomotor performance of a species can determine their inherent fitness within a habitat type. Koalas have an unusual morphology for marsupials, with several key adaptations suggested to increase stability...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (14): jeb204305.
Published: 19 July 2019
.../ As was hypothesized, in all conditions the GRFs intersected above the COM. Thus, we assume that a similar stabilization strategy is used in the camouflaged curb negotiation as in the visible conditions. For the visible trials, the high R 2 (mean >97.5%) indicates that the deviation of the GRF from...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (9): jeb185447.
Published: 30 April 2019
... COT and speed for people walking on both a smooth, level floor and a rough, natural terrain trail. Rough terrain presumably introduces other factors, such as stability, to the objective function. Ten healthy men walked on both a straight, flat, smooth floor and an outdoor trail strewn with rocks...
Journal Articles
J Exp Biol (2019) 222 (3): jeb176263.
Published: 4 February 2019
...Marc A. Badger; Hao Wang; Robert Dudley ABSTRACT Flying organisms frequently confront the challenge of maintaining stability when moving within highly dynamic airflows near the Earth's surface. Either aerodynamic or inertial forces generated by appendages and other structures, such as the tail, may...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (18): jeb174268.
Published: 25 September 2018
... change. The resulting gaits have higher overall static stability than the gaits that would be imposed by limb loss. By decreasing the time spent in a low-stability configuration – effectively ‘limping’ over less-stable phases of the stride – spiders increased the overall stability of the less statically...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (10): jeb152538.
Published: 22 May 2018
..., consistent with the influence of high limb inertia on gait. We discuss the observed scaling of avian bipedal gait in relation to mechanical demands for force, work and power relative to muscle actuator capacity, muscle activation costs related to leg cycling frequency, and considerations of stability...
Journal Articles
J Exp Biol (2017) 220 (20): 3649–3656.
Published: 15 October 2017
.... 18 11 2016 4 8 2017 © 2017. Published by The Company of Biologists Ltd 2017 http://www.biologists.com/user-licence-1-1/ Summary: Asymmetric wing damage in hawkmoths is approximately twice as costly as symmetric damage. Flight control Metabolism Stability Wing wear...
Includes: Supplementary data
Journal Articles
J Exp Biol (2017) 220 (9): 1618–1625.
Published: 1 May 2017
... upslope to the front legs at the steep upslope after the tarsi of the front legs rose above the CoM. This suggested that the need to maintain stability during inclined locomotion always constituted the shift of the main motor/brake towards the leg pair above the CoM. This finding varied slightly from our...
Journal Articles
J Exp Biol (2016) 219 (22): 3649–3655.
Published: 15 November 2016
... to locomotor biomechanics in non-human vertebrates. The secondarily diurnal gecko, Rhoptropus afer , shows changes in speed and posture in low light conditions. Visual acuity Locomotion Performance Kinematics Vision Gekkonidae Desert Fog Stability Lizard Compared with its behaviour...
Journal Articles
J Exp Biol (2016) 219 (17): 2659–2672.
Published: 1 September 2016
... convergent and divergent kinematic responses to perturbations in support diameter and compliance, suggesting that compliance is a critical – yet understudied – environmental determinant of arboreal locomotor performance. Stability Fine branch niche Branch stiffness Balance Locomotion...
Includes: Supplementary data
Journal Articles
J Exp Biol (2016) 219 (3): 364–373.
Published: 1 February 2016
...Shi-Tong Tonia Hsieh ABSTRACT Tails play an important role in dynamic stabilization during falling and jumping in lizards. Yet tail autotomy (the voluntary loss of an appendage) is a common mechanism used for predator evasion in these animals. How tail autotomy has an impact on locomotor...
Includes: Supplementary data
Journal Articles
J Exp Biol (2015) 218 (19): 3010–3022.
Published: 1 October 2015
... gaze two steps ahead, creating a minimum visuomotor response time of two step periods, which allows them to maintain speed and stability compared with conditions with limited vision ( Patla, 1997 ; Marigold and Patla, 2007 ; Matthis and Fajen, 2013 ). Gaze distance and minimal visuomotor response...
Includes: Supplementary data
Journal Articles
J Exp Biol (2014) 217 (20): 3742–3747.
Published: 15 October 2014
...Emanuel Azizi; Neil P. Larson; Emily M. Abbott; Nicole Danos A controlled landing, where an animal does not crash or topple, requires enough stability to allow muscles to effectively dissipate mechanical energy. Toads ( Rhinella marina ) are exemplary models for understanding the mechanics...
Journal Articles
J Exp Biol (2014) 217 (8): 1402–1406.
Published: 15 April 2014
... - R261 . Daley   M. A. , Biewener   A. A. ( 2006 ). Running over rough terrain reveals limb control for intrinsic stability . Proc. Natl. Acad. Sci. USA   103 , 15681 - 15686 . Eilam   D. ( 2004 ). Locomotor activity in common spiny mice (Acomys cahirinuse): the effect of light...
Journal Articles
J Exp Biol (2014) 217 (3): 432–443.
Published: 1 February 2014
...Mu Qiao; Brian Brown; Devin L. Jindrich Locomotion in a complex environment is often not steady state, but unsteady locomotion (stability and maneuverability) is not well understood. We investigated the strategies used by humans to perform sidestep cutting turns when running. Previous studies have...