Results 261 to 270 of about 167,647,873 (306)
Some of the next articles are maybe not open access.
The Role of Rate of Force Development on Vertical Jump Performance
Journal of Strength and Conditioning Research, 2011The purpose of this study was to examine a) the relationship between rate of force development (RFD) and vertical jump (VJ) performance during a counter movement jump (CMJ), and b) the reliability of RFD recorded during the CMJ and squat jump (SJ) forms of the VJ.
McLellan, Christopher P. +2 more
openaire +3 more sources
Eccentric rate of force development determines jumping performance
Computer Methods in Biomechanics and Biomedical Engineering, 2013Critical information can be directly extracted from the force–time (F–T) curve during the vertical countermovement jump (CMJ), such as time variables, force variables and variables linking both com...
G, Laffaye, P, Wagner
openaire +2 more sources
Fractionated Reaction Time and the Rate of Force Development
The Quarterly Journal of Experimental Psychology Section A, 1988The relationship between the rate of force development and components of fractionated reaction time were investigated in the present study. Subjects ( N=9) were administered extensive practice before being required to produce 98N of isometric force on a hand dynamometer at a maximal rate, at 20% slower than maximal, and at 40% slower than maximal ...
openaire +2 more sources
Assessment of the rate of force development scaling factor for the hip muscles
Muscle & Nerve, 2014ABSTRACTIntroduction: The aim of this study was to evaluate test feasibility, validity, and reproducibility of the rate of force development scaling factor (RFD‐SF) for the hip muscles.Methods: Feasibility was assessed as the testing compliance, validity as the ability to compute the RFD‐SF from a linear regression, and reproducibility with a test ...
Casartelli, Nicola C. +2 more
openaire +2 more sources
Journal of Electromyography and Kinesiology, 2019
The purpose was to examine the relationship between the rate of neural excitation (rate of rise in the electromyogram, EMG) and the rate of isometric force development (RFD) to determine whether surface EMG measures can detect nonlinearity that is expected due to underlying motor unit discharge behavior and the summation of progressively larger motor ...
Micah D, Josephson +2 more
openaire +2 more sources
The purpose was to examine the relationship between the rate of neural excitation (rate of rise in the electromyogram, EMG) and the rate of isometric force development (RFD) to determine whether surface EMG measures can detect nonlinearity that is expected due to underlying motor unit discharge behavior and the summation of progressively larger motor ...
Micah D, Josephson +2 more
openaire +2 more sources
European Journal of Applied Physiology, 2018
The ability to generate quick submaximal muscle forces followed by quick relaxations is essential for various athletic and daily tasks. While force generation has been studied extensively, the studies of force relaxation are scarce. Therefore, we aimed to develop the rate of force relaxation scaling factor (RFR-SF) as a kinetic variable to assess the ...
Ryan M. Mathern +2 more
openaire +2 more sources
The ability to generate quick submaximal muscle forces followed by quick relaxations is essential for various athletic and daily tasks. While force generation has been studied extensively, the studies of force relaxation are scarce. Therefore, we aimed to develop the rate of force relaxation scaling factor (RFR-SF) as a kinetic variable to assess the ...
Ryan M. Mathern +2 more
openaire +2 more sources
Maturation in Rate of High-Velocity, Low-Amplitude Force Development
Journal of Manipulative and Physiological Therapeutics, 2011The purpose of this study was to examine the maturation of force development during a thoracic high-velocity, low-amplitude displacement procedure at stages throughout chiropractic education. The hypothesis posed a natural development in rate of force directly related to the duration of experience.
John J, Triano +3 more
openaire +2 more sources
Age-Related Decline in the Rate of Force Development Scaling Factor
Motor Control, 2013Physical quickness is less in older adults with implications for fall prevention, movement initiation, and activities of daily living. The purpose was to compare control of rapid contractions in young and older adults within two diverse muscle groups: powerful elbow extensors (EE) and dexterous index finger abductors (IFA). Most-rapid force pulses to a
Maria, Bellumori +2 more
openaire +2 more sources
Methodological considerations in the calculation of the rate of force development scaling factor
Physiological Measurement, 2017Abstract Objective : Within this methodological study, we aimed to explore the effects of seven different commonly applied routines for rate of force development (RFD) calculation on the calculation of rate of force development scaling factor (RFD-SF) and r
Djordjevic, Dusica, Uygur, Mehmet
openaire +3 more sources
Unilateral arm strength training improves contralateral peak force and rate of force development
European Journal of Applied Physiology, 2008Neural adaptation following maximal strength training improves the ability to rapidly develop force. Unilateral strength training also leads to contralateral strength improvement, due to cross-over effects. However, adaptations in the rate of force development and peak force in the contralateral untrained arm after one-arm training have not been ...
Adamson, Michael +4 more
openaire +2 more sources