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Keywords: Froude number
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Journal Articles
J Exp Biol jeb.242813.
Published: 14 October 2021
... Froude numbers (10 −2 to 10 −3 ) are much lower than those typical of vertebrate locomotion and are as low or lower than those reported for slow walking fruit flies, which are the lowest values for pedestrian Froude numbers of which we are aware. * Author for correspondence: ajohnson@bowdoin.edu...
Journal Articles
J Exp Biol (2016) 219 (16): 2525–2533.
Published: 15 August 2016
... of Biologists Ltd 2016 Summary: In two size classes of layer chicken, sexually dimorphic walking kinematics is linked to the differential muscle force, work and power demands of varied visceral and muscle proportions. Froude number Locomotion Posture Sexual dimorphism Duty factor Dynamic...
Journal Articles
J Exp Biol (2014) 217 (18): 3200–3203.
Published: 15 September 2014
... should occur at the same Froude number across gravitational environments. In normal Earth gravity, the PTS occurs at a Froude number of 0.5 in adult humans, but previous reports found the PTS occurred at Froude numbers greater than 0.5 in simulated lunar gravity. Our purpose was to (1) determine...
Journal Articles
J Exp Biol (2011) 214 (13): 2276–2282.
Published: 01 July 2011
... to the dimensionless Froude number ( Fr ). Furthermore, various studies have shown similar dimensionless optimal speed ( Fr ∼0.25) for animals with quite different limb geometries. Here, we wondered whether the optimal walking speed of humans depends solely on total limb length or whether limb segment proportions play...
Journal Articles
J Exp Biol (2008) 211 (17): 2767–2772.
Published: 01 September 2008
.... at equal Froude numbers, where Froude =velocity 2 /(gravity × hip height)], their movements can be made similar by multiplying all time durations by one constant, all forces by a second constant and all linear distances by a third constant. The DSH has been generally supported by numerous comparative...
Journal Articles
J Exp Biol (2006) 209 (20): 4061–4066.
Published: 15 October 2006
... body mass energetics Froude number loading Most quadrupedal mammals use one of three main types of gaits during locomotion (walk, trot and gallop) and switch from one to another as speed varies. Investigations have sought to explain the underlying mechanisms that dictate when an organism...
Includes: Supplementary data
Journal Articles
J Exp Biol (2004) 207 (24): 4215–4223.
Published: 15 November 2004
... to keep the leg in contact with the ground. By studying a large size range of horses, we were naturally able to vary the absolute walking speed that would produce the same ratio of centripetal to gravitational forces. This ratio,( M b v 2 / L )/( M b g ),reduces to the dimensionless Froude number( v 2...