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Keywords: muscle power
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Journal Articles
J Exp Biol (2022) 225 (Suppl_1): jeb243376.
Published: 8 March 2022
...Ariel L. Camp; Elizabeth L. Brainerd ABSTRACT Suction feeding in ray-finned fishes requires substantial muscle power for fast and forceful prey capture. The axial musculature located immediately behind the head has been long known to contribute some power for suction feeding, but recent XROMM...
Journal Articles
J Exp Biol (2018) 221 (21): jeb190132.
Published: 5 November 2018
... elicited a significant increase in power of both the SOL and the DIA relative to levels in a non-caffeine-treated control, the effect was not different between the experimental groups, despite the muscles of the trained group producing significantly greater muscle power. There was no significant...
Journal Articles
J Exp Biol (2018) 221 (13): jeb180109.
Published: 10 July 2018
...James C. Martin; Jennifer A. Nichols ABSTRACT Fish, birds and lizards sometimes perform locomotor activities with maximized muscle power. Whether humans maximize muscle power is unknown because current experimental techniques cannot be applied non-invasively. This study leveraged simulated muscle...
Journal Articles
J Exp Biol (2018) 221 (11): jeb178160.
Published: 5 June 2018
...Ariel L. Camp; Thomas J. Roberts; Elizabeth L. Brainerd ABSTRACT Suction-feeding fish rapidly expand the mouth cavity to generate high-velocity fluid flows that accelerate food into the mouth. Such fast and forceful suction expansion poses a challenge, as muscle power is limited by muscle mass...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (2): jeb167262.
Published: 29 January 2018
... © 2018. Published by The Company of Biologists Ltd 2018 Summary: New analysis supported by high-speed videos explains how some copepods can perform out-of-water escape jumps when aided by well-timed kicks when penetrating the surface. Copepoda Escape velocity Acceleration Muscle...
Includes: Supplementary data
Journal Articles
J Exp Biol (2014) 217 (4): 482–488.
Published: 15 February 2014
.... Published by The Company of Biologists Ltd 2014 Biomechanics Muscle power Muscle work Mass-specific Primates One of the challenging goals in movement science is to relate the total mechanical output of an animal during locomotor tasks to the output of the elements of the musculoskeletal...
Includes: Supplementary data
Journal Articles
J Exp Biol (2011) 214 (14): 2381–2389.
Published: 15 July 2011
... 2011. 2011 muscle power biorobotics gearing Physiologists have established the importance of the nervous system for controlling locomotion, relying on electromyography (EMG) to probe muscle function during running, flying and swimming (e.g. Freadman, 1979 ; Mann and Hagy, 1980 ; Dial...
Journal Articles
J Exp Biol (2011) 214 (3): 452–461.
Published: 1 February 2011
... as the duration of a downstroke and subsequent upstroke. The integral of muscle force against muscle length represents the positive work performed for the duration of a downstroke (i.e. during shortening). Only positive work is considered here. Muscle power ( P mus ) was calculated as W mus T –1 wb . We...
Includes: Multimedia, Supplementary data
Journal Articles
J Exp Biol (2008) 211 (10): 1603–1611.
Published: 15 May 2008
... along the body at a relatively high velocity of 1.7 L per tail beat period, and a significant phase shift(31±4°) occurred between muscle shortening and local midline curvature, both suggesting red muscle power is directed posteriorly, rather than causing local body bending, which is a hallmark...
Journal Articles
J Exp Biol (2008) 211 (2): 180–186.
Published: 15 January 2008
... strongly with the phase of activation in muscle undergoing cyclic length changes. * Author for correspondence (e-mail: bcwt@u.washington.edu ) 4 10 2007 © The Company of Biologists Limited 2008 2008 spatially explicit modeling work loop phase flight muscle power Manduca sexta...
Journal Articles
J Exp Biol (2005) 208 (14): 2741–2751.
Published: 15 July 2005
... wallabies would be able to generate substantial amounts of mechanical power. This was confirmed, as we found net extensor muscle power outputs averaged 155 W kg –1 during steady hopping and 495 W kg –1 during jumping. The highest net power measured reached nearly 640 W kg –1 . As these values exceed...
Journal Articles
J Exp Biol (2004) 207 (23): 4165–4174.
Published: 1 November 2004
..., RI 02912, USA(e-mail: thomas_roberts@brown.edu ) † University of Tennessee, Department of Ecology and Evolutionary Biology,569 Dabney Hall, Knoxville, TN 37996-1610, USA 17 8 2004 © The Company of Biologists Limited 2004 2004 locomotion muscle work muscle power avian...
Journal Articles
J Exp Biol (2003) 206 (15): 2567–2580.
Published: 1 August 2003
... work done in a muscle-powered acceleration. The muscle model consisted of a muscle-like actuator with frog hindlimb muscle properties, operating across a lever to accelerate a load. We tested this model in configurations with and without a series elastic element and with and without a variable...
Includes: Supplementary data
Journal Articles
J Exp Biol (1991) 160 (1): 71–91.
Published: 1 October 1991
... faster than the eye can follow, but still migrate over long distances. At still smaller sizes we find the most successful and versatile group of flying animals - the insects - whose mastery of the air is unchallenged. Wey words: animal flight, flight performance, muscle power. 72 C. P. ELLINGTON What...
Journal Articles
J Exp Biol (1984) 108 (1): 429–439.
Published: 1 January 1984
... of Biologists 1984 Biomechanics muscle recruitment muscle power An apparent inconsistency exists between the mechanics of frog muscle studied in isolated preparations and their performance in vivo . The maximum mechanical power developed by frog muscle preparations increases by a factor...