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Keywords: propulsion
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Journal Articles
J Exp Biol (2020) 223 (2): jeb211466.
Published: 23 January 2020
... activity between antagonistic muscles likely acts to stiffen the fin system in order to enhance control and stability. EMG Fish Propulsion Motor control Sensory feedback Transection Muscle activity patterns were also recorded after pectoral fin afferents were transected ( Fig. 6 B...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (22): jeb209460.
Published: 25 November 2019
... analysis to calculate lower-limb joint mechanical variables. As forward acceleration magnitude decreased, the vertical GRF impulse remained nearly unchanged whereas the net horizontal GRF impulse became smaller as a result of less propulsion and more braking. Mechanical function was adjusted at all three...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (6): jeb198242.
Published: 27 March 2019
... forward thrust during refill using a flexible velum to achieve effective propulsion. Propulsion Colony Velum Nanomia bijuga The physonect siphonophore Nanomia bijuga is a colonial cnidarian capable of long-distance migrations ( Robison et al., 1998 ) as well as short sprints and...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (1): jeb163360.
Published: 09 January 2018
...Brett R. Aiello; Adam R. Hardy; Chery Cherian; Aaron M. Olsen; Sihyun E. Ahn; Melina E. Hale; Mark W. Westneat ABSTRACT The functional capabilities of flexible, propulsive appendages are directly influenced by their mechanical properties. The fins of fishes have undergone extraordinary evolutionary...
Includes: Supplementary data
Journal Articles
J Exp Biol (2016) 219 (24): 3884–3895.
Published: 15 December 2016
... controlled swimming. Hydrodynamics Biomechanics Propulsion Fish Vortex Flexible bending Aquatic animals significantly outperform man-made aquatic vehicles because they are able to move in water with greater efficiency and maneuverability ( Bandyopadhyay, 2005 ; Gemmell et al., 2013...
Includes: Supplementary data
Journal Articles
J Exp Biol (2014) 217 (15): 2740–2751.
Published: 01 August 2014
...Victoria Ngo; Matthew James McHenry The fluid forces that govern propulsion determine the speed and energetic cost of swimming. These hydrodynamics are scale dependent and it is unclear what forces matter to the tremendous diversity of aquatic animals that are between a millimeter and a centimeter...
Includes: Supplementary data
Journal Articles
J Exp Biol (2009) 212 (16): 2656–2667.
Published: 15 August 2009
... clearly show the vortex dynamics related to the thrust-generating mechanism, which is very important for understanding the underlying propulsion mechanism. The calculations for the prolate jetting hydromedusa S. tubulosa indicate the formation of a single starting vortex ring for each pulse cycle with a...
Journal Articles
J Exp Biol (2008) 211 (21): 3490–3503.
Published: 01 November 2008
... thrusters. * Author for correspondence (e-mail: n-patankar@northwestern.edu ) * Author for correspondence (e-mail: maciver@northwestern.edu ) 14 8 2008 © The Company of Biologists Limited 2008 2008 aquatic locomotion vortex shedding propulsion vortex rings Weakly...
Includes: Multimedia, Supplementary data
Journal Articles
J Exp Biol (2008) 211 (2): 274–279.
Published: 15 January 2008
...Alexandra H. Techet SUMMARY Propulsion and maneuvering underwater by flapping foil motion, optimized through years of evolution, is ubiquitous in nature, yet marine propulsors inspired by examples of highly maneuverable marine life or aquatic birds are not widely implemented in engineering...
Journal Articles
J Exp Biol (2007) 210 (16): 2767–2780.
Published: 15 August 2007
... muscles to power movement, in describing body and appendage motion during propulsion, and in conducting experimental and computational analyses of fluid movement and attendant forces. But it is clear that substantial future progress in understanding aquatic propulsion will require new lines of attack...
Journal Articles
J Exp Biol (2004) 207 (10): 1715–1728.
Published: 15 April 2004
... braking force while the hindlimb exerts a net propulsive force. Steady speed locomotion requires that braking and propulsion of the stance limbs be equal in magnitude. We predicted that changes in body mass distribution would alter individual limb braking–propulsive force patterns and we tested this...
Journal Articles
J Exp Biol (1988) 138 (1): 37–49.
Published: 01 September 1988
...DAVID E. ALEXANDER Individuals of Idotea resecata and I. wosnesenskii were videotaped at 200 frames s −1 . while swimming freely. Propulsion is provided by the first three pairs of abdominal appendages (pleopods), which may also function as gills. Unlike typical crustacean metachronal beating, in...
Journal Articles
J Exp Biol (1988) 134 (1): 333–345.
Published: 01 January 1988
... developed. It is suggested that the action potential of vertebrate cardiac muscle may have a similar mechanical function. 21 7 1987 © 1988 by Company of Biologists 1988 jellyfish energetics propulsion jf. exp. Biol. 134, 333-345 (1988) 3 3 3 Printed in Great Britain © The Company of...