Results 251 to 260 of about 34,022 (289)

Bilateral deficit magnitude increases with velocity during a half-squat exercise

Journal of Sports Sciences, 2022
Movement velocity has been viewed as one of the bilateral deficit (BLD) determinants. This research tested the velocity effect on BLD during a half-squat exercise. The role of muscle excitation in BLD was also assessed. BLD amplitude was assessed in 12 male soccer players while performing a half-squat exercise with incremental load. During the exercise'
Johnny Padulo, Göran Kuvacic, Luca Paolo ArdigÓ   +2 more
exaly   +7 more sources

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Two-Dimensional Gaseous Detonations: Velocity Deficit

Physics of Fluids, 1959
The measured velocity of gaseous detonation waves is less than that predicted by the Chapman-Jouguet plane wave theory. The velocity deficit (difference between theoretical and measured velocities) has been found earlier to vary inversely with the tube diameter and initial pressure.
James A Fay
exaly   +3 more sources

Deficit and change in gait velocity during rehabilitation after stroke

Archives of Physical Medicine and Rehabilitation, 1996
To quantify the initial deficit, change, and outcome in gait velocity during inpatient rehabilitation following stroke.The initial deficit on admission to rehabilitation was quantified by comparing 42 stroke patients with 42 controls matched by gender and age. The change in the stroke patients during the next 8 weeks was quantified and gait outcome was
Patricia A Goldie, Thomas A Matyas
exaly   +3 more sources

Velocity Deficit and Swirl in the Turbulent Wake of a Wind Turbine

Marine Technology Society Journal, 2013
AbstractEnergy production data from several of the existing large offshore wind farms indicate that turbine arrays can suffer from a significant overall energy production shortfall, due to wakes generated by turbines upstream interacting with turbines downstream.
Martin Wosnik, Wosnik Martin
exaly   +2 more sources

Detonation velocity deficit and curvature radius of flexible detonation fuses

Combustion, Explosion and Shock Waves, 2012
The detonation velocity deficit in bending flexible detonating fuses is studied, based on the detonation wave’s corner effects and delay time phenomenon. A physical model and a theoretical mathematical equation of the detonation velocity deficit are established by using the dimensional analysis.
Y. -Q. Wen, Ya. -K. Ye, N. Yan
exaly   +2 more sources

Effect of turbulence on the downstream velocity deficit of a rigid sphere

Physics of Fluids, 2011
The effect of external turbulence completely modifies how the velocity deficit behind a rigid sphere decays with distance, changing it from an x−1 (or x−2/3 depending on the Reynolds number characterising the flow past the sphere) to x−2 decay, where x is the distance downstream. The wake width is observed to grow linearly with x.
I Eames, Frédéric Risso, Eames I
exaly   +2 more sources

A two-dimensional Jensen model with a Gaussian-shaped velocity deficit

Renewable Energy, 2019
Abstract The one-dimensional (1D) Jensen model is probably the most often used model for engineering analysis of wind turbine wakes. Identifying a more realistic shape function for the near and far wakes behind a wind turbine and incorporating the identified shape function into a wake model can significantly improve the accuracy of wake modelling ...
Mingwei Ge, Yongqian Liu, Xiang I A Yang   +2 more
exaly   +2 more sources

The effect of movement velocity and eccentric contractions on the bilateral deficit

, 2005
This study was performed to examine the effects of movement velocity and eccentric contractions on the bilateral deficit. To accomplish this, 18 participants performed bilateral and unilateral contractions eccentrically and concentrically across 6 movement velocities (30, 60, 90, 120, 150, and 180{dollar}\sp\circ{dollar}/s).
Dickin, D. Clark
openaire   +2 more sources

Contraction-induced injury to single muscle fibers: velocity of stretch does not influence the force deficit

American Journal of Physiology-Cell Physiology, 1998
We tested the null hypothesis that the severity of injury to single muscle fibers following a single pliometric (lengthening) contraction is not dependent on the velocity of stretch. Each single permeabilized fiber obtained from extensor digitorum longus muscles of rats was maximally activated and then exposed to a single stretch of either 5, 10, or ...
G S, Lynch, J A, Faulkner
openaire   +3 more sources

Effects of Movement Velocity and Maximal Concentric and Eccentric Actions on the Bilateral Deficit

Research Quarterly for Exercise and Sport, 2006
Department of Health, Physical Education, Recreation, and Dance at the University of Idaho. This study was performed to examine the effects of movement velocity and maximal concentric and eccentric actions on the bilateral deficit. Eighteen female participants performed maximal unilateral and bilateral knee extensions concentrically and eccentrically ...
D Clark Dickin, Danny Too
exaly   +3 more sources