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Keywords: muscle activation
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Journal Articles
J Exp Biol (2023) 226 (12): jeb245474.
Published: 16 June 2023
... behaviour during diagonal-style cross-country roller skiing at three speed and incline conditions to examine whether skiers can exploit energy-saving mechanisms of the muscle–tendon unit. We assessed lower leg muscle and muscle–tendon unit mechanics and muscle activity in 13 high-level skiers during...
Journal Articles
J Exp Biol (2022) 225 (19): jeb244525.
Published: 6 October 2022
... and their power output should be consistent with known muscle properties if the total duration of muscle activity is known. Using the Cuban tree frog, Osteopilus septentrionalis , I measured jumping performance from kinematics and used EMG measurements of three major jumping muscles to determine the duration...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (9): jeb233965.
Published: 4 May 2021
... production. The force-rate cost could contribute substantially to the overall cost of movements that require cyclic muscle activation, such as locomotion. The effects of knee torque T knee on muscle fascicle length change Δ L fas and pennation angle change Δφ, as well as the effect of SEE force F...
Journal Articles
J Exp Biol (2019) 222 (22): jeb209924.
Published: 27 November 2019
... in amphibian ( Gordon et al., 1966 ) and mammalian muscles ( Edman, 2005 ). Skeletal muscle myofibril Sarcomere length instability Sarcomere length dispersion Muscle activation Residual force enhancement Summary: Sarcomere lengths are more stable in the force-enhanced than the isometric...
Journal Articles
J Exp Biol (2018) 221 (15): jeb169623.
Published: 10 August 2018
... joint velocity calculated using the slack test method increased whereas V F decreased with muscle activation level ( P ≤0.03). Passive and low-level quick releases elicited higher V F values (≥41.8±10.7 cm s −1 ) compared with the ballistic condition (36.3±8.7 cm s −1 ), while quick releases applied...
Includes: Supplementary data
Journal Articles
J Exp Biol (2017) 220 (5): 828–836.
Published: 1 March 2017
... within muscle sarcomeres, is activated upon Ca 2+ influx in skeletal muscle. Titin Connectin Muscle activation Muscular dystrophy with myositis ( mdm ) Elastic recoil Muscle stiffness increases ∼3-fold from the passive state to maximum isometric force ( Campbell and Moss, 2002 ). When...
Journal Articles
J Exp Biol (2016) 219 (7): 1041–1049.
Published: 1 April 2016
...Sina David; Johannes Funken; Wolfgang Potthast; Alexander Blanke ABSTRACT Insects show a great variety of mouthpart and muscle configurations; however, knowledge of their mouthpart kinematics and muscle activation patterns is fragmentary. Understanding the role of muscle groups during movement...
Includes: Supplementary data
Journal Articles
J Exp Biol (2016) 219 (2): 285–294.
Published: 1 January 2016
.... Biol. 210 , 1255 - 1265 . 10.1242/jeb.02742 McGuigan , M. P. and Wilson , A. M. ( 2003 ). The effect of gait and digital flexor muscle activation on limb compliance in the forelimb of the horse Equus caballus . J. Exp. Biol. 206 , 1325 - 1336 . 10.1242/jeb.00254...
Journal Articles
Journal Articles
Journal Articles
J Exp Biol (2005) 208 (2): 409–417.
Published: 15 January 2005
... of the fish. This study was then extended to include a different species of salmonid, brook trout Salvelinus fontinalis , to explore the generality of TnT modulation of muscle activation. Muscle contractile properties were determined from anterior and posterior muscle, and relative expression of S1 and S2...
Journal Articles
J Exp Biol (2003) 206 (7): 1117–1126.
Published: 1 April 2003
..., to ±4.8% in the posterior body position. Strain was in-phase with local midline curvature. In addition, strain amplitude calculated from a bending beam model closely matched strain measured using sonomicrometry at all three body positions. There is a high degree of similarity in red muscle activation...
Journal Articles
J Exp Biol (2001) 204 (13): 2277–2287.
Published: 1 July 2001
...Boris I. Prilutsky; Robert J. Gregor SUMMARY There has been no consistent explanation as to why humans prefer changing their gait from walking to running and from running to walking at increasing and decreasing speeds, respectively. This study examined muscle activation as a possible determinant...
Journal Articles