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Keywords: take-off
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Journal Articles
J Exp Biol (2021) 224 (23): jeb243361.
Published: 9 December 2021
.... The kinematics showed that jumps were propelled by rapid and synchronous movements of both hind legs, with their trochantera moving first. The hind legs were 20–40% longer than the front legs, which was attributable to longer tibiae. It took 5–6 ms to accelerate to take-off velocities reaching 4.65 m s −1...
Journal Articles
J Exp Biol (2017) 220 (9): 1606–1617.
Published: 1 May 2017
...M. Burrows; M. Dorosenko ABSTRACT The order Hemiptera includes jumping insects with the fastest take-off velocities, all generated by catapult mechanisms. It also contains the large family Miridae or plant bugs. Here, we analysed the jumping strategies and mechanisms of six mirid species from high...
Includes: Supplementary data
Journal Articles
J Exp Biol (2016) 219 (14): 2127–2136.
Published: 15 July 2016
...G. P. Sutton; M. Doroshenko; D. A. Cullen; M. Burrows ABSTRACT Many insects such as fleas, froghoppers and grasshoppers use a catapult mechanism to jump, and a direct consequence of this is that their take-off velocities are independent of their mass. In contrast, insects such as mantises, caddis...
Includes: Supplementary data
Journal Articles
J Exp Biol (2015) 218 (16): 2518–2527.
Published: 1 August 2015
... in birds. For example, rounded wings are thought to be more useful for avoiding wing damage in cluttered environments. In this context, it is noteworthy that Galliformes with rounded wings use tip-reversal when they are engaged in explosive escape flight after take-off ( Tobalske and Dial, 2000 ). Another...
Includes: Supplementary data
Journal Articles
J Exp Biol (2014) 217 (18): 3237–3241.
Published: 15 September 2014
... is unknown. Here, the effect that the train has on take-off flight in peacocks was quantified as the sum of the rates of change of the potential and kinetic energies of the body ( P CoM ) in birds with trains and following the train's removal. There was no significant difference between P CoM in birds...
Journal Articles
Journal Articles
J Exp Biol (2012) 215 (23): 4115–4124.
Published: 1 December 2012
...Pauline Provini; Bret W. Tobalske; Kristen E. Crandell; Anick Abourachid SUMMARY Take-off mechanics are fundamental to the ecology and evolution of flying animals. Recent research has revealed that initial take-off velocity in birds is driven mostly by hindlimb forces. However, the contribution...
Includes: Supplementary data
Journal Articles
J Exp Biol (2011) 214 (13): 2182–2188.
Published: 1 July 2011
... of ground take-off in the starling Sturnis vulgaris and the quail Coturnix coturnix . J. Exp. Biol. 203 , 725 - 739 . Fiedler J. ( 1979 ). Prey catching with and without echolocation in the Indian false vampire (Megaderma lyra) . Behav. Ecol. Sociobiol. 6 , 155 - 160 . Gabriel J...
Journal Articles
J Exp Biol (2007) 210 (18): 3135–3146.
Published: 15 September 2007
... in wing kinematics and aerodynamics across flight speeds are gradual. Take-off flight performance scales with body size, but fully revealing the mechanisms responsible for this pattern awaits new study. Intermittent flight appears to reduce the power cost for flight, as some species flap–glide at slow...
Journal Articles
J Exp Biol (2006) 209 (17): 3358–3369.
Published: 1 September 2006
...John J. Socha SUMMARY Among terrestrial vertebrate gliders, take-off presents a unique problem to flying snakes ( Chrysopelea ). Without legs, snakes must use fundamentally different kinematics to begin their aerial trajectories. To determine the effectiveness of different modes of take-off...
Includes: Multimedia, Supplementary data
Journal Articles
J Exp Biol (2002) 205 (16): 2469–2477.
Published: 15 August 2002
... taxa. The remaining two variables were performance attributes, indicating significant variation among the species in take-off velocity and horizontal range. The absence of significant differences in hindlimb kinematics indicates that propulsion is essentially identical in leaping, parachuting...
Journal Articles
J Exp Biol (2002) 205 (15): 2153–2160.
Published: 1 August 2002
...Graham N. Askew; Richard L. Marsh SUMMARY Take-off in birds at high speeds and steep angles of elevation requires a high burst power output. The mean power output of the pectoralis muscle of blue-breasted quail ( Coturnix chinensis ) during take-off is approximately 400 W kg -1 muscle...
Journal Articles
Journal Articles
Journal Articles
J Exp Biol (1999) 202 (11): 1459–1463.
Published: 1 June 1999
... the way in which they use perches as locomotory substrates. In both birds and primates, the magnitudes of landing forces are smaller than those during take-off. Two explanations have been proposed; the difference is either a consequence of perch compliance or it is a strategic decision to be cautious...
Journal Articles
J Exp Biol (1996) 199 (2): 435–439.
Published: 1 February 1996
...Richard H. C. Bonser; Jeremy M. V. Rayner ABSTRACT We describe the design of a force-transducing perch which measures the reaction forces of small birds taking off and landing. In common starlings, landing forces are lower than take-off forces, because the bird may decelerate prior to landing...