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Keywords: Electromyography
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Journal Articles
Journal Articles
J Exp Biol (2024) 227 (23): jeb248118.
Published: 2 December 2024
... of the human gastrocnemii during isometric plantarflexion contractions [via changing knee angle] and determined if there were associated changes in how the muscles of the triceps surae bulged in thickness during a ramped contraction. We combined B-mode ultrasound imaging with surface electromyography...
Includes: Supplementary data
Journal Articles
J Exp Biol (2024) 227 (5): jeb246275.
Published: 12 March 2024
..., distribution and reproduction in any medium provided that the original work is properly attributed. Summary: Synchronized high-speed video and electromyography of pectoral fins in station-holding trout reveal active and passive control. Fish Electromyography Fluid dynamics High-speed video...
Includes: Supplementary data
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Journal Articles
J Exp Biol (2022) 225 (23): jeb243902.
Published: 9 December 2022
... across the aquatic–terrestrial transition in Polypterus senegalus . Amphibious fishes Kinematics Electromyography Terrestrial locomotion Polypterus Locomotor transitions Natural Sciences and Engineering Research Council of Canada http://dx.doi.org/10.13039/501100000038 RGPIN...
Includes: Supplementary data
Journal Articles
J Exp Biol (2022) 225 (18): jeb244361.
Published: 27 September 2022
... steady state to another and in response to transient disturbances. Deutsche Forschungsgemeinschaft http://dx.doi.org/10.13039/501100001659 Muscle activity Load Slope Electromyography Kinematics Stick insect Summary: Stick insects compensate for different types...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (24): jeb242630.
Published: 22 December 2021
... elastic structures. In this study, we examined the functional roles of a major ankle extensor muscle, the lateral gastrocnemius (LG), and a major knee extensor muscle, the vastus lateralis (VL), through in vivo sonomicrometry and electromyography techniques, during vertical jumping by kangaroo rats. Our...
Journal Articles
Journal Articles
Journal Articles
J Exp Biol (2021) 224 (9): jeb242336.
Published: 4 May 2021
... remain to this date unclear. To close this gap, we investigated the activity of both the locomotor and the sonic musculature using electromyography. The comparison between the activation patterns of both systems highlighted modifications of the neural motor pathway: (1) a transition from a bilateral...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (24): jeb205559.
Published: 18 December 2019
..., spanning ∼80–90% of each muscle's fascicle length. Fig. 1. Locations of implanted transducers. Sonomicrometry and electromyography (EMG) electrodes were implanted in the bellies of the rat plantaris (PL; blue) and medial gastrocnemius (MG; red) muscles, together with custom-designed ‘leaf-spring...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (7): jeb188748.
Published: 3 April 2019
... to leg kinematics (movements) and leg dynamics (forces, torques). Here, we studied these parameters in hindlegs of stick insects ( Carausius morosus ) during level and uphill/downhill (±45 deg) walking, using a combination of electromyography, 3D motion capture and ground reaction force measurements. We...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (21): jeb187260.
Published: 5 November 2018
... the activation of GM, GL and SOL was estimated using electromyography (EMG). Functional muscle physiological cross-sectional area (PCSA) was estimated using imaging techniques and was considered as an index of muscle force-generating capacity. The distribution of activation and PCSA among the three muscles...
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 (2018) 221 (17): jeb168716.
Published: 3 September 2018
..., moderate-intensity activity of all muscles during swimming. Muscle function Electromyography Aquatic Terrestrial High-speed videography Fish Muscle is responsible for an immense array of tasks integral to the function of animals: its action propels food through digestive tracts, enables...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (4): jeb166199.
Published: 22 February 2018
... because of muscles that both move the skin relative to the underlying skeleton and modulate skin stiffness. Snake Muscle Electromyography Movement Skin The different body plans of animals have profound consequences for how and where animals are able to move, and elongate, limbless bodies...
Includes: Supplementary data
Journal Articles
Journal Articles
Journal Articles
Journal Articles
J Exp Biol (2017) 220 (19): 3455–3463.
Published: 1 October 2017
... isometric ankle plantarflexion at 20 N m and 20% of the active torque measured during a maximal contraction, at three ankle angles (30 deg of plantarflexion, 0 and 25 deg of dorsiflexion; knee fully extended). Myoelectric activity (electromyography, EMG) provided an index of neural drive. Muscle shear...