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Keywords: locomotion
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Journal Articles
J Exp Biol (2022) 225 (1): jeb242305.
Published: 07 January 2022
... the free moments produced. These findings have implications for our understanding of avian locomotor modules (i.e. coordinated actions of the head–neck, hindlimbs and tail), the use of force couples in vertical locomotion, and the evolution of associated structures. * These authors contributed...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (23): jeb243361.
Published: 09 December 2021
... and effective form of locomotion serving various actions in natural behaviour. Some of the most effective exponents of jumping, in terms of take-off velocities achieved, are found in the Auchenorrhyncha, a diverse group of hemipteran bugs containing the froghoppers (Cercopoidea), leafhoppers (Cicadellidae...
Journal Articles
J Exp Biol (2021) 224 (23): jeb242990.
Published: 03 December 2021
...Masaya Iijima; V. David Munteanu; Ruth M. Elsey; Richard W. Blob ABSTRACT As animals increase in size, common patterns of morphological and physiological scaling may require them to perform behaviors such as locomotion while experiencing a reduced capacity to generate muscle force and an increased...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (22): jeb243040.
Published: 16 November 2021
... Locomotion Energetics Metabolic Spring University of Houston Historically, simple models have been instrumental for understanding how humans control the lifting and forward motion of the body's center of mass (COM) during walking. Simple models reduce the body to a point mass supported...
Journal Articles
J Exp Biol (2021) 224 (21): jeb236679.
Published: 11 November 2021
... Muscle architecture Locomotion Whole-organism performance Ultrasound University of Utah http://dx.doi.org/10.13039/100007747 The life history of an animal places multiple, conflicting demands on the design of its musculoskeletal system. Functional trade-offs are expected to occur...
Journal Articles
J Exp Biol (2021) 224 (20): jeb242923.
Published: 20 October 2021
... and substantially increasing their gap-bridging performance. Kinematics Chrysopelea Biomechanics Locomotion National Science Foundation http://dx.doi.org/10.13039/100000001 1351322 Animals use a wide variety of behaviors to cross gaps in the physical environment, including reaching...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (19): jeb242988.
Published: 06 October 2021
... to evaluate how animals adjust their locomotion to accommodate changes in water depth. Because drag from water might impose additional locomotor costs, wading animals might be expected to raise their feet above the water up to a certain point until such behaviours lead to awkward steps and are abandoned...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (19): jeb236604.
Published: 06 October 2021
..., indicate that finger flexors are likely not involved in buffering ground impact in chimpanzee knuckle walking. Anatomy Biomechanics Morphology Hand Pan troglodytes Locomotion The African great apes – Gorilla spp., Pan troglodytes (chimpanzee) and Pan paniscus (bonobo...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (19): jeb242566.
Published: 29 September 2021
...Kui Ding; Libin Zhang; Xinhao Fan; Pengji Zhuo; Qiming Feng; Shuangyan Zhang; Xueying Guo; Xiang Liu ABSTRACT Neuropeptides in the SALMFamide family serve as muscle relaxants in echinoderms and may affect locomotion, as the motor behavior in sea cucumbers involves alternating contraction...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (18): jeb242964.
Published: 23 September 2021
... is important for burrowing in caecilians. Although no relationships between push force and skull shape were detected, aquatic species produced lower forces, suggesting adaptations of the locomotor system. Geometric morphometrics Limbless Amphibians Locomotion Skull Burrowing Fonds...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (18): jeb242787.
Published: 22 September 2021
... analyses. SLIP Horizontal force Impact angle Locomotion Spring–mass Stiffness While the approximation in Eqn 1 is appealing in its simplicity and efficiency, its consistent underestimation of the angle may be problematic for three reasons. The first is in propagation of that error...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (16): jeb242635.
Published: 26 August 2021
... by The Company of Biologists Ltd 2021 Summary: Perturbation of the endocannabinoid system in the first 24 h of development alters motor neuron development and locomotion in zebrafish. Cannabis CB 1 and CB 2 receptors Locomotion nAChRs Motor neurons AM251 AM630 Natural Sciences...
Journal Articles
J Exp Biol (2021) 224 (16): jeb240440.
Published: 19 August 2021
... stride length – throughout hominin evolution. Locomotion Bipedal Chimpanzee Stride length Hominin National Science Foundation http://dx.doi.org/10.13039/100000001 BCS-0935321 The human walking stride is generally characterized as having a low metabolic cost compared...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (15): jeb242138.
Published: 05 August 2021
... and EMG activity of the hindlimbs is known to change significantly. However, the effects of HU on the integrative control mechanisms of posture and locomotion are not clear. The goal of the present study was to evaluate the center of mass (CoM) dynamic stabilization and associated adaptive changes...
Journal Articles
J Exp Biol (2021) 224 (14): jeb242587.
Published: 22 July 2021
... of an inverted pendulum mechanism on the ground, while different gait and substrate contexts directly affect the muscular activity and the recovery rates toward higher costs. Centre of mass Electromyography Primate Locomotion Positive reinforcement IBISA Platform of the Centre National de la...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (13): jeb202747.
Published: 07 July 2021
... a new way of studying the energetics of giant marine vertebrates, for which captive experiments are limited or impossible. Metabolic rate Energy budget Locomotion Electronic tag As summarised in Fig. 1 , few data on the oxygen consumption rates (during resting or routine conditions...
Journal Articles
J Exp Biol (2021) 224 (12): jeb242626.
Published: 24 June 2021
... the MG–LG differences in activation and MG–LG differences in fascicle behavior. The MG and LG are often considered as equivalent muscles but the neuromechanical differences between them suggest that they may have distinct functional roles during locomotion. * Author for correspondence ( francois.hug...
Journal Articles
J Exp Biol (2021) 224 (12): jeb242258.
Published: 11 June 2021
... ). Metabolic cost and stability of locomotion in people with lower limb amputation . University of Massachusetts Amherst . Winter , D. A. ( 1990 ). Biomechanics and motor control of human movement . Hoboken, NJ , USA : Wiley . Zelik , K. E. and Kuo , A. D. ( 2010 ). Human...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (9): jeb242336.
Published: 04 May 2021
... from the locomotor hypaxial musculature. The transition from a neuromuscular system initially shaped for slow movements (locomotion) to a system that requires a high contraction rate (sound production) was accompanied with major peripheral structural modifications, yet the associated neural adjustments...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (6): jeb241083.
Published: 30 March 2021
..., increasing the risk of encounters on shared landscapes. Energetics Ursus arctos , GPS Movement ecology Locomotion Greater Yellowstone Ecosystem Energy is a limiting factor for many species of wildlife ( Parker et al., 1984 ; Shepard et al., 2013 ). Because daily and seasonal movements...