نتایج جستجو برای: stretching effect

تعداد نتایج: 1654860  

Journal: :Proceedings of the Physical Society of London 1916

Journal: :Journal of strength and conditioning research 2011
Mohammadtaghi Amiri-Khorasani Noor A Abu Osman Ashril Yusof

The purpose of this study was to examine the effects of static and dynamic stretching within a pre-exercise warm-up on hip dynamic range of motion (DROM) during instep kicking in professional soccer players. The kicking motions of dominant legs were captured from 18 professional adult male soccer players (height: 180.38 ± 7.34 cm; mass: 69.77 ± 9.73 kg; age: 19.22 ± 1.83 years) using 4 3-dimens...

آل علی, نسیم, کرمی محمدی, اردشیر,

: In this paper, a nonlinear model of clamped-clamped microbeam actuated by electrostatic load with stretching and thermoelastic effects is presented. Free vibration frequency is calculated by discretization based on DQ method. Frequency is a complex value due to the thermoelastic effect that dissipates the energy. By separating the real and imaginary parts of frequency, quality factor of therm...

Journal: :Journal of Sports Science and Medicine 2023

Static stretching can increase the range of motion a joint. Muscle-tendon unit stiffness (MTS) is potentially one main factors that influences change in after static stretching. However, to date, effects acute and long-term on MTS are not well understood. The purpose this meta-analysis was investigate training MTS, young healthy participants. PubMed, Web Science, EBSCO published before January ...

The effect of partial slip and temperature dependent fluid properties on the MHD mixed convection flow from a heated, non-linearly stretching surface in the presence of radiation and non-uniform internal heat generation/absorption is investigated. The velocity of the stretching surface was assumed to vary according to power-law form. Thermal transport is analyzed for two types of non-isothermal...

In the present study, two-phase nanofluid flow in a three-dimensional system is modeled over a stretching infinite solar plate and the heat transfer analysis is performed for this problem. The governing equations are presented based on previous studies and the suitable solution method is recommended due to infinite boundary condition in the problem. Keller Box Method (KBM) using the Maple 1...

Journal: :Journal of strength and conditioning research 2006
Danny J McMillian Josef H Moore Brian S Hatler Dean C Taylor

The purpose of this study was to compare the effect of a dynamic warm up (DWU) with a static-stretching warm up (SWU) on selected measures of power and agility. Thirty cadets at the United States Military Academy completed the study (14 women and 16 men, ages 18-24 years). On 3 consecutive days, subjects performed 1 of the 2 warm up routines (DWU or SWU) or performed no warm up (NWU). The 3 war...

2015
Konstantinos Famisis

The main aim of the study was to examine the acute effects of static and dynamic stretching during warm-up on the sprinting speed of amateur soccer players. The secondary aim was to determine the acute effect of stretching on the lower extremities flexibility. Eighteen adult athletes participated in the study, randomly performing 3 distinct flexibility protocols on non-consecutive training sess...

Journal: :Journal of biomechanics 2004
Guoguang Yang Richard C Crawford James H-C Wang

We studied the effect of cyclic mechanical stretching on the proliferation and collagen mRNA expression and protein production of human patellar tendon fibroblasts under serum-free conditions. The role of transforming growth factor-beta1 (TGF-beta1) in collagen production by cyclically stretched tendon fibroblasts was also investigated. The tendon fibroblasts were grown in microgrooved silicone...

Journal: :Medicine and science in sports and exercise 2006
William A Sands Jeni R McNeal Michael H Stone Elizabeth M Russell Monem Jemni

INTRODUCTION The most popular method of stretching is static stretching. Vibration may provide a means of enhancing range of motion beyond that of static stretching alone. PURPOSE This study sought to observe the effects of vibration on static stretching to determine whether vibration-aided static stretching could enhance range of motion acquisition more than static stretching alone in the fo...

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