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Keywords: EMG
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Journal Articles
J Exp Biol (2021) 224 (24): jeb242630.
Published: 22 December 2021
... recordings of muscle strain and activity, piezoelectric sonomicrometry (SONO) crystals (1 mm, Sonometrics, London, Canada) and fine-wire bipolar, off-set twist hook electromyography (EMG) electrodes (0.1 mm Teflon coated silver; Cooner Wire, Inc.) were implanted in the VL and LG using aseptic surgical...
Journal Articles
J Exp Biol (2020) 223 (2): jeb211466.
Published: 23 January 2020
... the fin system in order to enhance control and stability. EMG Fish Propulsion Motor control Sensory feedback Transection The pectoral fins of fishes perform dual and interacting roles as motors and sensors. As motors, the pectoral fins are used during posture maintenance, maneuvering...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (5): jeb198101.
Published: 4 March 2019
.../ Summary: The quality of surface electromyography recordings can be automatically classified with an accuracy of 99.55% by a deep neural network (AlexNet). EMG Artificial neural network Muscle excitation Previous studies using CNNs achieved an accuracy of 99.40% in iris recognition ( Minaee...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (2): jeb194852.
Published: 16 January 2019
... or (2) increasing jump height. Electromyography (EMG) and ultrasound analyses were performed to examine muscle activation, fascicle length and fascicle velocity changes of the triceps surae during jumping. Integrated EMG was significantly higher in the added mass paradigm with no difference in mean...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (2): jeb165985.
Published: 16 January 2018
... is established in five different primate species. Motor pattern Motor synergy Chewing EMG The proportion of cycles that follow the triplet pattern at onset, peak and offset is illustrated in Fig. 4 . A cycle follows the triplet motor pattern if all the channels in triplet I (bSM, wPT) reach peak...
Journal Articles
J Exp Biol (2017) 220 (14): 2554–2562.
Published: 15 July 2017
..., representing 0–100% of the limb cycle (0 being a fully protracted limb). These procedures facilitated comparisons of kinematic profiles for locomotor cycles of different absolute durations. Coincident with EMG data collection, kinematic data were collected at 100 Hz using two digitally synchronized high...
Includes: Supplementary data
Journal Articles
J Exp Biol (2017) 220 (7): 1181–1186.
Published: 1 April 2017
... EMG Respiratory Hibernation Disuse Inactivity References Banzrai , C. , Nodera , H. , Kawarai , T. , Higashi , S. , Okada , R. , Mori , A. , Shimatani , Y. , Osaki , Y. and Kaji , R. ( 2016 ). Impaired axonal Na + current by hindlimb unloading...
Journal Articles
J Exp Biol (2015) 218 (15): 2410–2415.
Published: 1 August 2015
.../rspb.2011.1435 Marsh , R. L. ( 1994 ). Jumping ability of anuran amphibians . Adv. Vet. Sci. Comp. Med.   38 , 51 - 111 . McKinley , P. A. and Smith , J. L. ( 1983 ). Visual and vestibular contributions to prelanding EMG during jump-downs in cats . Exp. Brain Res.   52...
Journal Articles
J Exp Biol (2015) 218 (3): 451–457.
Published: 1 February 2015
... the manuscript. Competing interests The authors declare no competing or financial interests. 8 9 2014 25 11 2014 © 2015. Published by The Company of Biologists Ltd 2015 EMG Pre-activation Gastrocnemius Force feedback Uneven ground While running, humans must...
Journal Articles
J Exp Biol (2014) 217 (19): 3474–3482.
Published: 1 October 2014
... . Boggs   D. F. , Dial   K. P. ( 1993 ). Neuromuscular organization and regional EMG activity of the pectoralis in the pigeon . J. Morphol.   218 , 43 - 57 . Boisvert   C. A. , Joss   J. M. , Ahlberg   P. E. ( 2013 ). Comparative pelvic development of the axolotl (Ambystoma...
Journal Articles
J Exp Biol (2013) 216 (2): 319–328.
Published: 15 January 2013
... that the muscle is controlled by the same basic activity pattern on different surfaces, with some adjustments that are due to sensory feedback. The adjustments cause differences in onset and end of activity, as well as in spike frequency of the involved muscle units. From EMGs taken during beetle...
Journal Articles
J Exp Biol (2013) 216 (2): 260–274.
Published: 15 January 2013
... of the sandfish during walking, burial and swimming, here we use high-speed X-ray and visible light imaging with synchronized electromyogram (EMG) recordings of epaxial muscle activity. While moving on the surface, body undulation was not observed and EMG showed no muscle activation. During subsurface sand...
Includes: Supplementary data
Journal Articles
J Exp Biol (2012) 215 (17): 2980–2991.
Published: 1 September 2012
... diagram of the study method. Gait experiments were used to measure the joint kinematics, ground reaction forces and electromyographic (EMG) activity of the forelimb muscles simultaneously. The kinematics and ground reaction forces (indicated by the green arrow) were applied to subject-specific...
Journal Articles
J Exp Biol (2012) 215 (2): 287–300.
Published: 15 January 2012
.... electromyography EMG Canis locomotion symmetrical gait asymmetrical gait The extrinsic limb muscles are crucial functional components for locomotion in quadrupedal mammals. These muscles span the proximal fulcra of the limbs and perform work of propulsion and braking ( Gray, 1968 ; Gregersen et al...
Journal Articles
J Exp Biol (2012) 215 (1): 115–123.
Published: 1 January 2012
... postures during walking in primates entails minimal use of anti-gravity muscles, this study examined electromyography (EMG) patterns in both the wrist and finger flexor muscles in facultatively digitigrade olive baboons ( Papio anubis ) across a range of speeds. The results demonstrate that baboons can...
Journal Articles
J Exp Biol (2011) 214 (22): 3829–3842.
Published: 15 November 2011
... that are related to resource holding potential during social encounters. * Author for correspondence ( kboyle@hawaii.edu ) 22 8 2011 © 2011. 2011 Chaetodontidae sound production F. flavissimus F. longirostris forcepsfish electromyography EMG anterior epaxialis cranial rotation...
Includes: Multimedia, Supplementary data
Journal Articles
J Exp Biol (2010) 213 (22): 3881–3893.
Published: 15 November 2010
... was synchronized to high-speed video to determine body movement associated with sound generation. In addition, electromyography (EMG) recordings tested the activity of six candidate muscles. Fish produced individual pulses with a mean peak frequency of 97 Hz in rapid succession. EMG experiments show that anterior...
Includes: Multimedia, Supplementary data
Journal Articles
J Exp Biol (2010) 213 (20): 3515–3526.
Published: 15 October 2010
...? We addressed this question by quantifying forelimb kinematics and muscle activity during aquatic and terrestrial locomotion in a generalized freshwater turtle, the red-eared slider ( Trachemys scripta ), using digital high-speed video and electromyography (EMG). Comparisons of our forelimb data...
Includes: Supplementary data
Journal Articles
J Exp Biol (2010) 213 (9): 1490–1502.
Published: 1 May 2010
...-associated change in EMG activity at T13 was significantly greater than the change at L6. When the dogs galloped, monophasic activity was observed at all recording sites ( Fig. 3 ). Muscle activity started at approximately the middle of the ipsilateral hindlimb swing phase and lasted throughout...
Journal Articles
J Exp Biol (2010) 213 (3): 487–492.
Published: 1 February 2010
... dynamometer. Cadence and load were varied to span a range of power outputs and myoelectric activity was measured from 10 muscles in the leg. Cycle-by-cycle variations in muscle coordination, cadence and power output were observed and the EMG intensity across all muscles was used as an estimate...