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Keywords: kinematics
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Journal Articles
JEB: 100 years of discovery
J Exp Biol (2023) 226 (Suppl_1): jeb245042.
Published: 26 January 2023
...Armita R. Manafzadeh ABSTRACT Joints enable nearly all vertebrate animal motion, from feeding to locomotion. However, despite well over a century of arthrological research, we still understand very little about how the structure of joints relates to the kinematics they exhibit in life...
Journal Articles
J Exp Biol (2022) 225 (23): jeb243902.
Published: 9 December 2022
... kinematics and muscle activity. Anterior axial red muscle effort increases as water depth decreases; however, a typical swimming-like anterior-to-posterior wave of axial red muscle activity is always present, even during terrestrial locomotion, indicating gradual motor control changes. Thus, walking appears...
Includes: Supplementary data
Journal Articles
J Exp Biol (2022) 225 (22): jeb244599.
Published: 30 November 2022
...Joaquin T. Gabaldon; Ding Zhang; Julie Rocho-Levine; Michael J. Moore; Julie van der Hoop; Kira Barton; K. Alex Shorter ABSTRACT Current estimates of marine mammal hydrodynamic forces tend to be made using camera-based kinematic data for a limited number of fluke strokes during a prescribed...
Includes: Supplementary data
Journal Articles
J Exp Biol (2022) 225 (18): jeb244361.
Published: 27 September 2022
... torques and muscle activity with only minor changes in leg kinematics. Here, we took a close look at the time course of these adjustments as stick insects compensate for various kinds of disturbances to load distribution. In particular, we tested whether the transition from one steady state to another...
Includes: Supplementary data
Journal Articles
J Exp Biol (2022) 225 (15): jeb244151.
Published: 29 July 2022
... quantitative data on turning performance and wake dynamics of squids are available. To better understand the contribution of the jet, fins and arms to turns, the role of orientation (i.e. arms first versus tail first) in maneuvering, and the relationship between jet flow and turning performance, kinematic...
Journal Articles
J Exp Biol (2022) 225 (14): jeb244360.
Published: 21 July 2022
... canaries. Finally, we report that canaries use specific 3D mandible movements during the different phases of seed processing. Kinematic parameters do not differ between male and female canaries. Our findings provide an important biomechanical basis for better understanding the beak as a functional tool...
Includes: Supplementary data
Journal Articles
J Exp Biol (2022) 225 (14): jeb244642.
Published: 21 July 2022
... ). Kinematics of hovering hummingbird flight along simulated and natural elevational gradients . J. Exp. Biol. 206 , 3139 - 3147 . 10.1242/jeb.00540 Altshuler , D. L. , Dudley , R. and Mcguire , J. A. ( 2004 ). Resolution of a paradox: hummingbird flight at high elevation does...
Includes: Supplementary data
Journal Articles
J Exp Biol (2022) 225 (10): jeb243605.
Published: 23 May 2022
... top and side view in approach (i,v), explore+pitch (ii,vi), roll (iii,vii) and depart (iv,viii) phases. The animal's body orientation is represented by Euler angles of thorax frame (yaw α, pitch β, roll γ, Z − Y ′− X ″ Tait–Bryan convention, see Materials and Methods, ‘Kinematics and kinetic energy...
Includes: Supplementary data
Journal Articles
J Exp Biol (2022) 225 (5): jeb243272.
Published: 10 March 2022
... on flexed, abducted hind limbs and with a single-peaked vertical ground reaction force. Differences in human and bipedal chimpanzee three-dimensional (3D) kinematics have been well quantified, yet it is unclear what the independent effects of using a crouched posture are on 3D gait mechanics for humans...
Includes: Supplementary data
Journal Articles
J Exp Biol (2022) 225 (5): jeb243787.
Published: 1 March 2022
...Sam Van Wassenbergh; Tim Andries; Evy Pauly; Anick Abourachid ABSTRACT Much like nails that are hammered into wood, the beaks of woodpeckers regularly get stuck upon impact. A kinematic video analysis of pecking by black woodpeckers shows how they manage to quickly withdraw their beaks, revealing...
Includes: Supplementary data
Journal Articles
J Exp Biol (2022) 225 (2): jeb243621.
Published: 28 January 2022
... species in which the mandible functions as a single structure rotating only at the quadratomandibular joint (QMJ). In this study, we examine kinematic consequences of the IMJ novelty in a freshwater characiform fish, the herbivorous Distichodus sexfasciatus . We combine traditional kinematic approaches...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (20): jeb242923.
Published: 20 October 2021
... , and analyzed the associated kinematics and torque requirements. We found that C. paradisi typically uses cantilevering for small gaps (<47.5% snout–vent length, SVL). Above this distance, C. paradisi were more likely to use dynamic movements than cantilevers, either arching upward or employing a below...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (17): jeb236430.
Published: 3 September 2021
... that seahorses generate suction flows that are 8 times faster than those of similar-sized fish, and that the temporal patterns of cranial kinematics and suction flows in seahorses differ from the conserved pattern observed across other actinopterygians. However, the spatial patterns retain the conserved...
Includes: Supplementary data
Journal Articles
In collection:
Neuroethology
J Exp Biol (2021) 224 (10): jeb239830.
Published: 25 May 2021
..., reports are rare and anecdotal. Many species are found globally at depths of 600–2000 m, and so observation and collection depend on using remotely operated submersible vehicles. With a combination of in situ video footage and laboratory measurements, we have quantified kinematic aspects of this dual...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (21): jeb232868.
Published: 12 November 2020
...://www.biologists.com/user-licence-1-1/ Summary: Food processing of the newt Triturus carnifex varies with the type of food, but not with the medium in which feeding takes place. Feeding Tongue-palate rasping Chewing Amphibians Kinematics Penetration force Intraoral food processing is used...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (20): jeb228460.
Published: 16 October 2020
...-licence-1-1/ Summary: Argentine ants plunged into darkness do not slow down while walking on flat and uneven terrain or while approaching and crossing a step obstacle. Kinematics Eye anatomy Antennae Speed Obstacle Uneven terrain Walking involves long-distance navigation...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (14): jeb223859.
Published: 20 July 2020
..., environmental temperature can influence the ability of ectotherms to capture prey and/or defend themselves against predators. However, previous research on the kinematics of ectotherms suggests that some species may use elastic storage mechanisms when attacking or defending, thereby mitigating the effects...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (5): jeb220749.
Published: 6 March 2020
..., they mostly use simple vertical jaw movements for food processing. The exception to this generally accepted view is the occurrence of some propalinal chewing in sauropsids. We combined 3D kinematics and morphological analyses from biplanar high-speed video fluoroscopy and micro-computed tomography...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (4): jeb208678.
Published: 25 February 2020
.... ( 2014 ). A physical model of the extreme mantis shrimp strike: kinematics and cavitation of Ninjabot . Bioinspir. Biomim.   9 , 016014 . 10.1088/1748-3182/9/1/016014 Green , P. A. , McHenry , M. J. and Patek , S. N. ( 2019 ). Context-dependent scaling of kinematics...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (3): jeb214908.
Published: 5 February 2020
... about the landing itself. We disentangled takeoff and landing conditions by hopping toads off platforms of different heights while measuring electromyographic (EMG) activity of an elbow extensor (m. anconeus) and capturing high-speed images to quantify whole body and forelimb kinematics. This enabled us...