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Keywords: movement
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Journal Articles
J Exp Biol (2021) 224 (7): jeb239509.
Published: 15 April 2021
... movements were of lower magnitude for all degrees of freedom examined (jaw protraction, yaw and pitch), and were bilaterally symmetrical with virtually no yaw. The magnitude of tongue protraction–retraction (Tx t ), relative to a mandibular coordinate system, was greater during mastication than during...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (1): jeb228973.
Published: 4 January 2021
... of elevating tissue temperature to increase the rate of chemical processes. Yet, movement performance that is robust to changes in body temperature has been observed in numerous species. This thermally robust performance appears exceptional in light of the well-documented effects of temperature on muscle...
Journal Articles
J Exp Biol (2018) 221 (20): jeb189597.
Published: 15 October 2018
...Jiamin Sun; Jean-François Hamel; Annie Mercier ABSTRACT Although movement in response to environmental conditions represents a fundamental link between animal behaviour and population ecology, it is rarely investigated in suspension feeders because they are generally perceived as sessile. Here...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (19): jeb178988.
Published: 5 October 2018
... by rolling to illuminate the adaptive value of morphology in the context of nesting habitat. Morphology Avian eggs Movement Rolling Alcidea Uria aalge The shape of a bird's egg and its functional significance have intrigued naturalists for hundreds of years while also presenting modern...
Journal Articles
J Exp Biol (2018) 221 (8): jeb172544.
Published: 23 April 2018
...Rebecca Wheatley; Christofer J. Clemente; Amanda C. Niehaus; Diana O. Fisher; Robbie S. Wilson ABSTRACT Movement speed can underpin an animal's probability of success in ecological tasks. Prey often use agility to outmanoeuvre predators; however, faster speeds increase inertia and reduce agility...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (4): jeb166199.
Published: 22 February 2018
...Steven J. Newman; Bruce C. Jayne ABSTRACT A central issue for understanding locomotion of vertebrates is how muscle activity and movements of their segmented axial structures are coordinated, and snakes have a longitudinal uniformity of body segments and diverse locomotor behaviors that are well...
Includes: Supplementary data
Journal Articles
J Exp Biol (2014) 217 (18): 3242–3253.
Published: 15 September 2014
... efficiency of finding foothold by avoiding searching-movements in trailing legs. In stick insects, a ‘targeting mechanism’ has been described that guides foot-placement of hind- and middle legs according to the position of their leading ipsilateral leg. So far, this mechanism has been shown for standing...
Includes: Supplementary data
Journal Articles
J Exp Biol (2013) 216 (19): 3599–3605.
Published: 1 October 2013
... allowing them to hold on to narrow substrates. However, almost nothing is known about the effects of substrate characteristics on locomotion in frogs. Here, we quantified the 3D kinematics of forelimb movement for frogs moving across branches of different diameters (1 and 40 mm) and two different inclines...
Journal Articles
J Exp Biol (2012) 215 (18): 3175–3190.
Published: 15 September 2012
... carried out in a fins-first direction. Temporal summation of such climb-and-glide events underlies a rich assortment of vertical movements that can reach vertical velocities of 3 m s −1 . In contrast to such rapid movements, D. gigas spends more than 80% of total time gliding at a vertical velocity...
Journal Articles
J Exp Biol (2012) 215 (9): 1464–1471.
Published: 1 May 2012
... at sites with wave action in urchin barrens. To evaluate the potential anti-attachment effect of algal mats on sea urchins, a laboratory tank experiment was performed on the movement of Strongylocentrotus nudus sea urchins and their grazing on juvenile kelp plants at the center of 30×30 cm flat test...
Includes: Multimedia, Supplementary data
Journal Articles
J Exp Biol (2012) 215 (9): 1594–1604.
Published: 1 May 2012
... for correspondence ( stephaniebayol@hotmail.com ) 23 1 2012 © 2012. 2012 Myf5 Pax7 IGF-I muscle bone chick embryo movement temperature Domesticated chickens, Gallus gallus domesticus (Linnaeus 1758), have been extensively selected for different phenotypic traits through successive...
Journal Articles
J Exp Biol (2012) 215 (7): 1231–1245.
Published: 1 April 2012
... that transmission efficiency plays a similar role in form–function relationships for skeletal systems in a diversity of animals. * Author for correspondence ( mmchenry@uci.edu ) 30 11 2011 © 2012. 2012 predation movement feeding Crustacea kinematic transmission four-bar linkage...
Journal Articles
J Exp Biol (2010) 213 (14): 2372–2378.
Published: 15 July 2010
... either by crouching or by further turns to track the moving stimulus. In our experiment, an orienting response led to a sudden, rapid spin of the ball in the direction opposite to that of the stimulus. Because of their speed and discrete nature, orientation movements are easily distinguished from other...
Journal Articles
J Exp Biol (2007) 210 (20): 3677–3688.
Published: 15 October 2007
... the carpus to dorsal/ventral movements( Fig. 5 ). Perhaps most surprising is the presence of a flexion point within the merus segment at the base of the rotatable meral-V; no equivalent flexion point exists on the opposite side of the merus. Instead, a thickened bar of exoskeleton on the medial side...
Journal Articles
J Exp Biol (2007) 210 (15): 2667–2675.
Published: 1 August 2007
... to 38.5°C, during embryonic days (ED) 4–7 causes profound changes in development. We demonstrate that embryonic movement is significantly increased in the chicks raised at 38.5°C both during the period in which they are at the higher temperature but also 4 days after their return to the control...
Journal Articles
J Exp Biol (2001) 204 (13): 2361–2370.
Published: 1 July 2001
...Li Guan; Tim Kiemel; Avis H. Cohen SUMMARY A semi-reduced, minimally restrained lamprey preparation was used to investigate the impact of movement and movement-related feedback during d -glutamate-induced locomotion. The preparation consisted of the trunk alone with the spinal cord exposed...