Results 261 to 270 of about 640,600 (307)
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Ground reaction forces in running: A reexamination
Journal of Biomechanics, 1987Ground reaction force (GRF) data were collected on twenty adult males during running stance to establish normative standards to aid in assessment of the gait of atypical runners. Subjects ran between 30 and 40 trials across a Kistler 0.6 X 0.9 m force platform at self-selected speeds ranging from 2.5 to 5.5 m s-1.
C F, Munro, D I, Miller, A J, Fuglevand
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Ground Reaction Forces during Human Standing
Engineering in Medicine, 1983Foundamental characteristics of ground reaction forces measured by using a force plate during human standing were investigated. Force fluctuation levels and power spectrums of the force data for standing posture were compared with those for sitting.
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Ground Reaction Forces During Termination Of Human Gait
Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society Volume 13: 1991, 1992This is the first published report of the ground reaction forces during gait termination. Two mechanisms appear to be used to stop walking: increased braking forces and decreased push-off force. There appears to be a short interval of time during the gait cycle in which a decision to take an additional step is to be made.
R J, Jaeger, P, Vanitchatchavan
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Force treadmill for measuring vertical and horizontal ground reaction forces
Journal of Applied Physiology, 1998We constructed a force treadmill to measure the vertical, horizontal and lateral components of the ground-reaction forces (Fz, Fy, Fx, respectively) and the ground-reaction force moments (Mz, My, Mx), respectively exerted by walking and running humans. The chassis of a custom-built, lightweight (90 kg), mechanically stiff treadmill was supported along ...
R, Kram +3 more
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Measuring Equine Ground Reaction Forces
2006This paper describes the design and development of an instrumented force shoe which allows measurement of three orthogonal components of ground reaction force during locomotion in horses, and presents preliminary GRF data for consecutive strides at walk and trot.
Jeremy Burn, John Morgan, Clive Wishart
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Ground reaction forces during stair locomotion in pregnancy
Gait & Posture, 2013Pregnant women experience numerous physical alterations during pregnancy which may place them at an increased risk of falls. The purpose of this study was to examine ground reaction forces (GRFs) during staircase locomotion in pregnant and non-pregnant women.Data were collected on 29 pregnant women in their second and third trimesters, and on 40 ...
Jean L, McCrory +3 more
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Ground reaction forces during steeplechase hurdling and waterjumps
Sports Biomechanics, 2016Athletes in the 3,000 m steeplechase track and field event negotiate unmovable hurdles and waterjumps. Ground reaction forces (GRF) in the steeplechase were quantified to elucidate injury risks / mechanisms and to inform coaches. Five male and five female steeplechasers participated.
Shalaya, Kipp +2 more
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Ground reaction forces during downhill and uphill running
Journal of Biomechanics, 2005We investigated the normal and parallel ground reaction forces during downhill and uphill running. Our rationale was that these force data would aid in the understanding of hill running injuries and energetics. Based on a simple spring-mass model, we hypothesized that the normal force peaks, both impact and active, would increase during downhill ...
Jinger S, Gottschall, Rodger, Kram
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Variability of ground reaction forces during treadmill walking
Journal of Applied Physiology, 2002The purpose of this study was to investigate whether or not the neuromuscular locomotor system is optimized at a unique speed by examining the variability of the ground reaction force (GRF) pattern during walking in relation to different constant speeds. Ten healthy male subjects were required to walk on a treadmill at 3.0, 4.0, 5.0, 6.0, 7.0, and 8.0
Kei, Masani +2 more
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High Resolution Analysis of Ground Foot Reaction Forces
Foot & Ankle, 1988A new system of hardware and software has been designed for quantitative high resolution analysis of ground foot pressures during stance and gait. In the system, a large photoelastic sheet is used as the transducer and a computerized video system for analysis and display.
A, Rhodes +3 more
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