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Keywords: gravity
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Journal Articles
J Exp Biol (2018) 221 (16): jeb179457.
Published: 23 August 2018
... evidence that gravity acts as constraint on AMC involving vertical rhythmic movement. As we could not measure the biomechanical rate limit of this task directly, we used the f max among all trials for the analysis. This was because some of the dancers had a dance technique called the vibration...
Includes: Supplementary data
Journal Articles
J Exp Biol (2014) 217 (13): 2232–2234.
Published: 1 July 2014
... and the head, when the heart–head vertical distance is expressed as ρ g h (where ρ is the density of blood, g is acceleration due to gravity and h is the vertical distance above the heart), and the rise in MAP is associated with a larger heart to normalize wall stress in the ventricular wall. Based...
Journal Articles
J Exp Biol (2010) 213 (14): 2494–2506.
Published: 15 July 2010
... for correspondence ( arobie@gmail.com ) 7 4 2010 © 2010. 2010 Drosophila melanogaster vision locomotion search Johnston's organ gravity All motile organisms explore their environment for resources using an array of specialized sensors. Indeed, the need to search effectively for food...
Includes: Multimedia, Supplementary data
Journal Articles
J Exp Biol (2008) 211 (7): 1087–1092.
Published: 1 April 2008
... for correspondence (e-mail: john.k.dewitt@nasa.gov ) 29 1 2008 © The Company of Biologists Limited 2008 2008 biomechanics locomotion ground reaction force inertia gravity weight mass human During long-term space flight, astronauts experience losses in bone mineral density...
Journal Articles
J Exp Biol (2005) 208 (12): 2333–2346.
Published: 15 June 2005
...G. A. Cavagna; N. C. Heglund; P. A. Willems SUMMARY The effect of an increase in gravity on the mechanics of running has been studied by using a force platform fixed to the floor of an aircraft undergoing flight profiles, resulting in a simulated gravity of 1.3 g . The power spent to maintain...
Journal Articles
J Exp Biol (2004) 207 (21): 3797–3810.
Published: 1 October 2004
... of Biologists Limited 2004 2004 locomotion gravity pendulum child Spatiotemporal dynamics of normal walking in human adults is governed by general principles, including mechanisms of propulsion, stability, kinematic coordination and mechanical energy exchange( Alexander, 1989 ; Capaday, 2002...
Journal Articles
J Exp Biol (2004) 207 (16): 2859–2866.
Published: 15 July 2004
... changes in energy balance. * Author for correspondence (e-mail: Klaus@mail.dife.de ) 1 6 2004 © The Company of Biologists Limited 2004 2004 body mass set-point energy expenditure body composition ponderostat obesity gravity sex difference mice The set-point theory...
Journal Articles
Journal Articles
J Exp Biol (2000) 203 (2): 229–238.
Published: 15 January 2000
...Young-Hui Chang; Hsuan-Wen Cathy Huang; Chris M. Hamerski; Rodger Kram ABSTRACT It is difficult to distinguish the independent effects of gravity from those of inertia on a running animal. Simply adding mass proportionally changes both the weight (gravitational force) and mass (inertial force...
Journal Articles
Journal Articles
J Exp Biol (1997) 200 (4): 821–826.
Published: 15 February 1997
...Rodger Kram; Antoinette Domingo; Daniel P. Ferriss ABSTRACT We investigated the effect of reduced gravity on the human walk–run gait transition speed and interpreted the results using an inverted-pendulum mechanical model. We simulated reduced gravity using an apparatus that applied a nearly...
Journal Articles
Journal Articles
J Exp Biol (1990) 148 (1): 325–334.
Published: 1 January 1990
...T. Leucht ABSTRACT Tadpoles of Xenopus laevis are shown to respond to magnetic fields using a gravity-related test paradigm. They exhibit a directional selectivity with respect to angular variations of the inclination of low-intensity magnetic fields. This response is abolished when the optic...
Journal Articles
J Exp Biol (1984) 111 (1): 259–263.
Published: 1 July 1984
... are the basis of the pigeons’ position-finding ability but not all investigators are convinced by the evidence (see e.g. Able, 1980 ; Keeton, 1980 ; Schmidt-Koenig, 1979 ; Walcott & Lednor, 1983 ). 14 03 1984 © 1984 by Company of Biologists 1984 Pigeons orientation gravity...