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Keywords: walking
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Journal Articles
Journal Articles
Journal Articles
J Exp Biol (2022) 225 (13): jeb243776.
Published: 1 July 2022
... locomotion. Therefore, we performed a comprehensive locomotion analysis along gradients in both body size and walking speed of Camponotus fellah worker subcastes, and of males, which have rarely been studied to date because of their short life spans associated with mating flights. We provide a detailed...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (20): jeb242948.
Published: 15 October 2021
... attributed. Summary: Electrophysiological techniques reveal that spatial visual properties of simple eyes improve with input from compound eyes in bull ants. Pattern electroretinography Flying Walking Bull ants Honeybees Contrast sensitivity Spatial resolving power Australian...
Journal Articles
J Exp Biol (2021) 224 (2): jeb219543.
Published: 26 January 2021
... >0.999), than females. For all elephants, estimated RFM ( r =0.45, P =0.004) was positively correlated with insulin. Distance walked was negatively correlated with age ( r =−0.46, P =0.007). When adjusted for FFM and age ( P <0.001), non-cycling females had less fat compared with cycling females...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (21): jeb232645.
Published: 12 November 2020
...Giovanni A. Cavagna; Mario A. Legramandi ABSTRACT It is known that mechanical work to sustain walking is reduced, owing to a transfer of gravitational potential energy into kinetic energy, as in a pendulum. The factors affecting this transfer are unclear. In particular, the phase relationship...
Journal Articles
J Exp Biol (2019) 222 (20): jeb206383.
Published: 21 October 2019
... locomotor demands. Thirteen healthy adults walked across a range of speeds (0.8, 1.2, 1.6, 2.0 m s −1 ) and slopes (0 deg, +5 deg, +10 deg) to determine whether hip, knee and ankle joints and their extensors and flexors altered their mechanical function in response to increased speed and slope. As walking...
Journal Articles
J Exp Biol (2018) 221 (22): jeb182113.
Published: 16 November 2018
...Sarah N. Fickey; Michael G. Browne; Jason R. Franz ABSTRACT The plantarflexor muscles are critical for forward propulsion and leg swing initiation during the push-off phase of walking, serving to modulate step length and walking speed. However, reduced ankle power output is common in aging and gait...
Journal Articles
J Exp Biol (2018) 221 (10): jeb152538.
Published: 22 May 2018
... their hindlimbs for bipedal terrestrial locomotion, for at least some part of their life history. Here, we review the scaling of avian striding bipedal gaits to explore how body mass and leg morphology influence walking and running. We collate literature data from 21 species, spanning a 2500× range in body mass...
Journal Articles
J Exp Biol (2016) 219 (22): 3626–3634.
Published: 15 November 2016
... the mechanical work done during level walking in Nepalese porters while carrying different loads at several speeds. Our results show that the Nepalese porters do not use an equivalent mechanism as the African women to reduce work. In contrast, the Nepalese porters develop an equal amount of total mechanical work...
Journal Articles
J Exp Biol (2015) 218 (15): 2472–2481.
Published: 1 August 2015
...Anthony G. Schache; Nicholas A. T. Brown; Marcus G. Pandy ABSTRACT We investigated how the human lower-limb joints modulate work and power during walking and running on level ground. Experimental data were recorded from seven participants for a broad range of steady-state locomotion speeds (walking...
Includes: Supplementary data
Journal Articles
J Exp Biol (2015) 218 (3): 340–352.
Published: 1 February 2015
...   A. ( 2012 ). Lessons for circuit function from large insects: towards understanding the neural basis of motor flexibility . Curr. Opin. Neurobiol.   22 , 602 - 608 . Büschges   A. , Gruhn   M. ( 2007 ). Mechanosensory feedback in walking: from joint control to locomotor patterns . Adv...
Includes: Supplementary data
Journal Articles
J Exp Biol (2014) 217 (18): 3209–3220.
Published: 15 September 2014
...Daniel Kress; Martin Egelhaaf In contrast to flying flies, walking flies experience relatively strong rotational gaze shifts, even during overall straight phases of locomotion. These gaze shifts are caused by the walking apparatus and modulated by the stride frequency. Accordingly, even during...
Includes: Supplementary data
Journal Articles
J Exp Biol (2013) 216 (22): 4172–4183.
Published: 15 November 2013
... use position information from the anterior legs to control the touchdown position of the ipsilateral posterior legs. Here we addressed the question of whether not only the hindleg but also the middle leg performs targeting, and whether targeting is still present in a walking animal when influences...
Includes: Supplementary data
Journal Articles
J Exp Biol (2013) 216 (19): 3599–3605.
Published: 1 October 2013
...) and the grey line locomotion on a wide dowel (40 mm). Cycle length has been standardized to 100%. Our observations of frogs walking along the different substrates show that they generally used slow symmetrical walks ranging from a walking trot on the widest substrates to a lateral sequence walk...
Journal Articles
J Exp Biol (2013) 216 (3): 480–491.
Published: 1 February 2013
..., is based on the study of several insect species, which differ greatly in size and mass. Each of these species tends to walk at a rather narrow range of speeds. We have addressed these issues by examining four strains of Drosophila , which are similar in size and mass, but tend to walk at different speed...
Journal Articles
J Exp Biol (2012) 215 (24): 4255–4266.
Published: 15 December 2012
...Martyna Grabowska; Elzbieta Godlewska; Joachim Schmidt; Silvia Daun-Gruhn SUMMARY The analysis of inter-leg coordination in insect walking is generally a study of six-legged locomotion. For decades, the stick insect Carausius morosus has been instrumental for unravelling the rules and mechanisms...
Includes: Multimedia, Supplementary data
Journal Articles
J Exp Biol (2012) 215 (9): 1523–1532.
Published: 1 May 2012
... and behavioral strategies such as compensatory head movements. During self-movement, head rotations compensate for changes in body attitude in order to stabilize gaze. However, how walking animals cope with uneven structured substrates, which may affect body and gaze orientation, is still unknown. We used stereo...
Includes: Multimedia, Supplementary data
Journal Articles
Journal Articles
J Exp Biol (2011) 214 (12): 2057–2064.
Published: 15 June 2011
... measurements that would allow a definite conclusion. We measured the walking speeds of cockroaches exploring a large arena and found that the body movements tended to cluster at one of two preferred speeds, either very slow (<10 cm s –1 ) or fairly fast (∼30 cm s –1 ). To highlight the neural control...
Includes: Supplementary data