1-14 of 14
Keywords: Hopping
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Journal Articles
J Exp Biol jeb.245614.
Published: 25 May 2023
... point, the present study imposed frequency and height constraints to hopping and quantified gross metabolic power as well as the activation requirements of medial gastrocnemius (MG), lateral gastrocnemius (GL), soleus (SOL), tibialis anterior (TA), vastus lateralis (VL), rectus femoris (RF) and biceps...
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Journal Articles
J Exp Biol (2017) 220 (7): 1287–1294.
Published: 1 April 2017
... contribution of muscles and tendons to a given muscle–tendon unit (MTU) excursion. The aims of this study were to (i) compare muscle and tendon excursion between children and adults performing vertical hopping, and (ii) determine whether children and adults choose a hopping frequency that maximizes movement...
Journal Articles
J Exp Biol (2014) 217 (20): 3742–3747.
Published: 15 October 2014
... and motor control of landing given their ability to land consistently during bouts of continuous hopping. Previous studies in anurans have shown that ground reaction forces (GRFs) during landing are significantly higher compared with takeoff and can potentially impart large torques about the center of mass...
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Journal Articles
Journal Articles
J Exp Biol (2010) 213 (17): 3019–3035.
Published: 1 September 2010
...Iman Borazjani; Fotis Sotiropoulos; Edwin Malkiel; Joseph Katz SUMMARY We integrate high-resolution experimental observations of a freely hopping copepod with three-dimensional numerical simulations to investigate the role of the copepod antennae in production of hydrodynamic force during hopping...
Includes: Multimedia, Supplementary data
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Journal Articles
J Exp Biol (2005) 208 (14): 2741–2751.
Published: 15 July 2005
...C. P. McGowan; R. V. Baudinette; J. R. Usherwood; A. A. Biewener SUMMARY The goal of our study was to explore the mechanical power requirements associated with jumping in yellow-footed rock wallabies and to determine how these requirements are achieved relative to steady-speed hopping mechanics...
Journal Articles
J Exp Biol (2005) 208 (1): 41–53.
Published: 1 January 2005
...C. P. McGowan; R. V. Baudinette; A. A. Biewener SUMMARY Measurements of joint work and power were determined using inverse dynamics analysis based on ground reaction force and high-speed video recordings of tammar wallabies as they decelerated and accelerated while hopping over a force platform...
Journal Articles
J Exp Biol (2004) 207 (2): 211–223.
Published: 15 January 2004
... hopping. To address this question, we obtained measurements of muscle activation ( via electromyography),fascicle strain ( via sonomicrometry) and muscle-tendon force( via tendon buckles) from the lateral gastrocnemius (LG) and plantaris (PL) muscles of tammar wallabies trained to hop on a level...
Journal Articles
J Exp Biol (2002) 205 (15): 2211–2216.
Published: 1 August 2002
... seems to adapt to muscle use, and its stiffness seems to be`tuned' to the frequency of normal muscle use. * e-mail: Stan.Lindstedt@nau.edu 13 5 2002 © The Company of Biologists Limited 2002 2002 elastic recoil strain energy eccentric hopping stride frequency titin...
Journal Articles
J Exp Biol (1998) 201 (11): 1681–1694.
Published: 1 June 1998
...Andrew A. Biewener; David D. Konieczynski; Russell V. Baudinette ABSTRACT Moderate to large macropodids can increase their speed while hopping with little or no increase in energy expenditure. This has been interpreted by some workers as resulting from elastic energy savings in their hindlimb...
Journal Articles