ground reaction force


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force plate

a device for measuring the force between a body or object and the ground (the ground reaction force). Often constructed from strain gauges or piezo-electric transducers. Also known as a force platform.

ground reaction force

; GRF force offered by support surface, equalling and opposing force due to body mass passing through the foot to the ground surface; GRF is resolved into vertical (counteracting body weight) and horizontal (leading to forward movement) components
References in periodicals archive ?
In this case, the torques of both the hip motor and knee motor increase dramatically because of the ground reaction force.
Plantar pressures have also been evaluated in the Zuni Exercise[R] system reporting a significant reduction in ground reaction forces during walking and running [12].
Data analysis included ground reaction force, power, and jump height.
This is probably due to the lack of statistically significant differences of insoles made because of a combination of a bridge port has high hardness Despite having Peron layer, there is sufficient flexibility in the floor, so the floor cannot effectively absorb the ground reaction force and will continue to diminish.
Soccer involves intermittent high-intensity activities like running at different intensities, sudden accelerations and stops, rapid changes in direction, jumps, kicking and punting that result in significant ground reaction forces on the skeleton.
Cushioned running shoes may attenuate the ground reaction force better for high arched runners (33) and motion control shoes may control instantaneous loading rates better for low arched runners.
Top sprinters generate higher propulsive ground reaction force impulses during the initial acceleration phase that enable them to reach their top speeds more quickly and do, in fact, produce higher muscular joint moments than merely good sprinters.
This possibly explains reports of altered ground reaction force profiles (Zadpoor and Nikooyan, 2012) and reduced shock attenuation (Mercer et al.
It was interfaced with a personal computer running custom LabVIEW software (version 2013, National Instruments, Austin, TX) that collected and analyzed dependent variables of peak ground reaction force (GRF) and rate of force development (RFD).
Leung and colleagues also examined the impact of UC Avrtvz JBL ground reaction forces, a significant difference between the two modes on the vertical component at the top of the shoes and insoles the shoes I saw the results of the present study is in agreement [7] and the study of viscoelastic shoe insoles Nyg and colleagues in relation to the impact on ground reaction force on the runners, no difference was observed using insole force to deal with the results of the present study is consistent with the conventional insoles.
There are two ways that exercise stimulates new bone: One is by muscle force (the pull of a muscle at its attachment to the bone), and the other is ground reaction force (the force exerted by the ground on a body in contact with it).
2] = maximum peak, FH = flight height, ND = nondisabled, OA = osteoarthritis, RMSD = root mean square difference, RoM = range of motion, SD = standard deviation, SI = Symmetry Index, TD = touchdown, TTA = transtibial amputation, VGRF = vertical ground reaction force, VJ = vertical jump.