Results 251 to 260 of about 5,378,814 (297)
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Journal of Strength and Conditioning Research, 2012
This study evaluated the effects of 4 different weekly stretching protocols on the rate of gain and decline in hamstring flexibility over an 8-week period, across sex. Using a randomized single-blind design, 53 healthy subjects aged 18-46 years were assigned to 1 of 4 stretching protocols or a control group. The stretching protocols consisted of either
Cipriani, Daniel +4 more
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This study evaluated the effects of 4 different weekly stretching protocols on the rate of gain and decline in hamstring flexibility over an 8-week period, across sex. Using a randomized single-blind design, 53 healthy subjects aged 18-46 years were assigned to 1 of 4 stretching protocols or a control group. The stretching protocols consisted of either
Cipriani, Daniel +4 more
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Stretching rates in discrete dynamical systems
Chaos, Solitons & Fractals, 2000The asymptotic behaviour of trajectories in nonlinear dynamical systems in \(\mathbb{R}^n\) (for \(t\to\infty)\) can be characterized by stretching and/or shrinking rates of volume elements in different directions. Fixed points, cycles, tori and chaotic attractors are different types of attractors, which are distinguishable by their Lyapunov exponents ...
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Stretch effect on the vaporization rate in Fendell’s problem
Combustion and Flame, 2000Abstract An analytical solution of Fendell’s problem is obtained taking into account the dependencies of density and molecular diffusivities on temperature for infinitely fast chemistry. Also, the equilibrium Clayperon-Clausius condition has been used for conditions at the surface of the liquid instead of the commonly used, and inconsistent ...
A.A. Burluka, R. Borghi
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The Rate of Conduction in Stretched and Unstretched Nerves
Physiological Zoology, 1951hormones on the melanophores of fishes. Proc. Nat. Acad. Sci., 19:745-49. PARKER, G. H. 1931. Effects of acetylcholine on chromatophores. Proc. Nat. Acad. Sci., 17:59697. . 1934. Color changes of the catfish Ameiurus in relation to neurohumors. Jour. Exper. Zo61., 69:199-224. --. 1940.
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Recruitment, Rate Modulation and the Tonic Stretch Reflex
1976Publisher Summary To solve the problems concerning the gradation of muscle activation, it is important to know which mechanisms might be responsible for the amount of rate modulation that occurs within the range of variable and incomplete recruitment of a motoneurone pool.
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Effects of Stretching Exercise on Heart Rate Variability During Pregnancy
Journal of Cardiovascular Nursing, 2017Background: Little evidence exists for effects of low-intensity exercises such as stretching on cardiovascular health in pregnant women. Aim: Our aim was to evaluate the effect of a 20-minute stretching exercise on heart rate variability (HRV), blood pressure (BP), and heart rate ...
Jeongok G, Logan, SeonAe, Yeo
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Effect of stretching the superior vena cava on heart rate in rats
American Journal of Physiology-Heart and Circulatory Physiology, 1981The effect on the heart rate of stretching the superior vena cava 3-4 mm above its entrance to the right atrium was examined in rats anesthetized with chloralose. The superior vena cava was stretched 41 times in 16 rats. There was a mean increase of 24.1 +/- 1.9 (SE) beats/min.
S, Kaufman, B, Mackay, C T, Kappagoda
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Stretching Rate of Passive Lines in Turbulence
2005The temporal evolution of passive lines in turbulence of an incompressible viscous fluid is simulated numerically for the Taylor-length Reynolds umber up to 252. The passive lines elongate in average exponentially in time. The mean exponential stretching rate γ obeys the Kolmogorov scaling law, i.e.
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Combustion and Flame, 2003
Local propagation speeds and stretch rates were measured along a premixed flame that undergoes unsteady wrinkling in order to see if these two quantities correlate in the manner that is predicted by the theory of flame stretch. The Markstein number, which relates these two quantities, also was measured.
Jose O. Sinibaldi +4 more
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Local propagation speeds and stretch rates were measured along a premixed flame that undergoes unsteady wrinkling in order to see if these two quantities correlate in the manner that is predicted by the theory of flame stretch. The Markstein number, which relates these two quantities, also was measured.
Jose O. Sinibaldi +4 more
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On the relationship between the logarithmic strain rate and the stretching tensor
International Journal of Solids and Structures, 1983Abstract In this paper we investigate the relationship between the stretching tensor D and the logarithmic (Hencky) strain In V, with V the left stretch tensor. We establish the simple formula 1, which holds for arbitrary three-dimensional motions.
Gurtin, Morton E., Spear, Kathleen
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