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Keywords: Muscle activity
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Journal Articles
JEB: 100 years of discovery
J Exp Biol (2023) 226 (Suppl_1): jeb245308.
Published: 22 April 2023
... influenced by the body's flexibility, yet we do not know how fish species vary in their flexibility and in their ability to modulate flexibility with muscle activity. A more fundamental problem is our lack of knowledge about how any of these differences in flexibility translate into swimming performance...
Includes: Supplementary data
Journal Articles
J Exp Biol (2023) 226 (4): jeb244714.
Published: 24 February 2023
... parts of the trunk muscles for active isometric stabilization. This prior study, which did not include electromyography (EMG) to measure muscle activity, hypothesized that channel catfish use paired concentric and isometric contractions to suction feed, where isometric epaxial contractions forcefully...
Includes: Supplementary data
Journal Articles
J Exp Biol (2022) 225 (18): jeb244361.
Published: 27 September 2022
... torques and muscle activity with only minor changes in leg kinematics. Here, we took a close look at the time course of these adjustments as stick insects compensate for various kinds of disturbances to load distribution. In particular, we tested whether the transition from one steady state to another...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (21): jeb242903.
Published: 29 October 2021
..., we measured muscle activity and shortening in bluegill sunfish ( Lepomis macrochirus ) using electromyography and sonomicrometry. We found that sunfish recruit epaxial regions in a dorsal-to-ventral manner to increase feeding performance, such that high-performance feeding activates all the epaxial...
Journal Articles
J Exp Biol (2018) 221 (18): jeb179564.
Published: 17 September 2018
... of the locomotor muscles is modulated with these shifts, we used electromyography (EMG) to quantify patterns of in vivo muscle activity in forelimb and hindlimb muscles before and after autotomy. Forelimb muscles (biceps brachii and triceps brachii) exhibited no changes in motor recruitment, consistent...
Includes: Supplementary data
Journal Articles
J Exp Biol (2017) 220 (10): 1820–1829.
Published: 15 May 2017
... performance Wings Muscle activity Lifting surface Wing morphing Movement economy Locomotion is energy demanding and most of the energy consumption is accounted for by contraction of muscles ( Roberts et al., 1998 ; Biewener et al., 2004 ; Marsh et al., 2004 ). Conservation of energy is key...
Journal Articles
J Exp Biol (1991) 160 (1): 127–148.
Published: 1 October 1991
...David F. Goldspink ABSTRACT Contractile activity is an important determinant of the size, rate of protein turnover and phenotypic properties of muscle. Animal models that decrease muscle activity invariably accelerate the rate of protein degradation, usually complementing decreases in the rate...
Journal Articles
J Exp Biol (1986) 126 (1): 97–109.
Published: 1 November 1986
...Klaus-Gerhard Heller ABSTRACT The morphology of the stridulatory organ of the tropical bushcricket Hexacentrus unicolor is described and an investigation is made of stridulatory movements and muscle activities. The song is produced by extremely fast stridulatory movements (320-415 Hz), during which...
Journal Articles