نتایج جستجو برای: speed 20m run

تعداد نتایج: 312670  

1998
D. T. Emerson

As part of the MMA imaging group’s investigations into the MMA imaging characteristics, a study has been made of imaging characteristics of a Millimeter Array consisting of a large number of 8m antennas, in which short spacing information is obtained either from the 8m array elements operating in single dish mode, or from a separate 20m dish. This study overlaps with some of the work of earlier...

Journal: :European Journal of Physical Education and Sport Science 2021

The aim of this study is to investigate the effect inspiratory muscle warm-up protocol on acceleration and maximal speed in children aged 12-14. Thirty sedentary boys (age: 12.63 ± 0.89 years) participated study. Participants were randomly included 4 different trials (T1, T2, T3, T4). Acceleration (10m, 20m) tests (30m, 50m) tested at 10 minutes intervals each trial. performed without any T1 tr...

Journal: :Journal of sports science & medicine 2005
Abdul Rashid Aziz Frankie H Y Tan Kong Chuan Teh

This study compares the performances obtained during soccer-specific field tests of the 20 m multistage shuttle run test (MST) and the Yo-Yo intermittent endurance test (YIET), with the measured maximal oxygen uptake (VO2max) obtained in both field tests as well as that obtained in the traditional test of running to exhaustion on a treadmill (TRT), in young trained soccer players. Twenty-one Na...

2010
Sze-Hang Chan Tak Wah Lam Lap-Kei Lee

We study online job scheduling on a processor that can vary its speed dynamically to manage its power. We attempt to extend the recent success in analyzing total unweighted flow time plus energy to total weighted flow time plus energy. We first consider the non-clairvoyant setting where the size of a job is only known when the job finishes. We show an online algorithm WLAPS that is 8α-competiti...

2003
CHAD HARRIS MARK DEBELISO KENT J. ADAMS

THE EFFECTS OF RUNNING SPEED ON THE METABOLIC AND MECHANICAL ENERGY COSTS OF RUNNING. Chad Harris, Mark Debeliso, Kent J. Adams. JEPonline. 2003;6(3):28-37. This study assessed the influence of speed on the metabolic and the mechanical cost to run a given distance. Trained male runners (n=12) performed 2 treadmill run trials of 8 min duration at each of 6 speeds (range 2.33 to 4.0 m/s). Oxygen ...

Journal: :international journal of information, security and systems management 0

telemedicine has changed the way of health care. it is an indispensable tool in the hands of doctors to accelerate and facilitate the process of data interchange. wireless networks consist of small nodes with communications capabilities. development of wireless networks of telemedicine system is highly demanded since these networks promise a wide range of potential applications. in this paper t...

Journal: :Psychology of Sport and Exercise 2022

The developmental associations between actual motor competence (MC), perceived physical (PC), and health-related fitness (HRF) in schoolchildren were investigated over a four-year period. Participants 1147 (girls 582, boys 565) aged 11 13 years (M = 11.27 ± 0.33 years) the beginning of study. Data collected at five time points 2017–2021. MC was measured with three product-oriented (i.e., outcom...

2005

Earthquakes of large magnitude generally above M 7.0, occurring in shallow depths of seabed fault zones, cause rapid and vertical displacement of sea water. This results in the generation of tsunamis. The tsunamis in turn generate a series of deep ocean waves that have larger wavelengths, greater amplitude, period and velocity compared to normal waves. These waves with tremendous energy propaga...

Journal: :British journal of sports medicine 1992
J D Wiles S R Bird J Hopkins M Riley

Using a motorized treadmill the study investigated the effects of the ingestion of 3 g of caffeinated coffee on: the time taken to run 1500 m; the selected speed with which athletes completed a 1-min 'finishing burst' at the end of a high-intensity run; and respiratory factors, perceived exertion and blood lactate levels during a high intensity 1500-m run. In all testing protocols decaffeinated...

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