نتایج جستجو برای: tennis court

تعداد نتایج: 28217  

Journal: :Adapted physical activity quarterly : APAQ 2007
Raúl Reina Francisco J Moreno David Sanz

The purpose of this study was to determine visual behavior and motor responses between experienced and novice wheelchair tennis players relative to the return in tennis. Novice (n = 7) and Experienced (n = 5) wheelchair tennis players took part in the study. Two series of serves performed to the forehand and the backhand sides were examined in both groups. One series was performed in a video-ba...

Journal: :ERCIM News 2009
Noel E. O'Connor Philip Kelly Ciarán Ó Conaire Damien Connaghan Alan F. Smeaton Brian Caulfield Dermot Diamond Niall Moyna

Sensor technology is rapidly changing the professional sporting landscape. Modern motor racing has been virtually transformed by the introduction of sophisticated drive-by-wire sensor technology , for example. Similarly, the ability to accurately monitor the performance of an athlete during training is having a major influence on a wide range of track and field events. In this project we introd...

2014
Constantinos P. Tsangarides Ali K. Yetisen Fernando da Cruz Vasconcellos Yunuen Montelongo Malik M. Qasim Timothy D. Wilkinson Christopher R. Lowe Haider Butt

Electrical Engineering Division, Department Cambridge, CB3 0FA, UK Department of Chemical Engineering and Tennis Court Road, Cambridge, CB2 1QT, U School of Mechanical Engineering, Universit B15 2TT, UK. E-mail: [email protected] † Electronic supplementary information about materials, equipment, silane cou and photosensitisation of poly(HEMA)  DOI: 10.1039/c3ra47984f ‡ These authors contribute...

2004
Samita Andreansky Haiyan Liu Heiko Adler Ulrich H. Koszinowski Stacey Efstathiou Peter C. Doherty

*Department of Immunology, St. Jude Children’s Research Hospital, 332 North Lauderdale, Memphis, TN 38105; ‡GSF Institute of Molecular Immunology, Clinical Cooperation Group, Hematopoietic Stem Cell Transplantation, D-81377 Munich, Germany; §Genzentrum and Max-von-Pettenkofer Institut, 80336 Munich, Germany; and ¶Department of Pathology and Virology, University of Cambridge, Tennis Court Road, ...

Journal: :Journal of applied biomechanics 2011
Behzat B Kentel Mark A King Sean R Mitchell

A torque-driven, subject-specific 3-D computer simulation model of the impact phase of one-handed tennis backhand strokes was evaluated by comparing performance and simulation results. Backhand strokes of an elite subject were recorded on an artificial tennis court. Over the 50-ms period after impact, good agreement was found with an overall RMS difference of 3.3° between matching simulation an...

2015
Ferenc Kovács Gábor Hosszú

The paper presents an advanced control system for tennis ball throwing machines to improve their accuracy according to the ball impact points. A further advantage of the system is the much easier calibration process involving the intelligent solution of the automatic adjustment of the stroking parameters according to the ball elasticity, the self-calibration, the use of the safety margin at ver...

Journal: :Sports Biomechanics 2021

The number of wheelchair tennis players is rising internationally, yet from a scientific perspective little known about performance. Wheelchair more complex compared to other court sports, due the wheelchair/racket interaction. purpose this narrative review was gain insight into influence configuration, i.e., individual set-up wheelchair, on performance, specifically mobility performance and pr...

2004
A. MARK WILLIAMS PAUL WARD NICHOLAS J. SMEETON DAVID ALLEN Mark Williams Nicholas J. Smeeton

On-court instruction involving either Perception–action training or Perception-only training was used to improve anticipation skill in novice tennis players. A technical instruction group acted as a control. Participants’ ability to anticipate an opponent’s serve was assessed preand posttest using established on-court measures involving frame-by-frame video analysis. The perception–action and p...

2011
Qiang Huang Stephen J. Cox

We describe a novel approach to inferring the scoring rules of a tennis game by analysing the chair umpire’s speech. In a tennis match, the chair umpire, amongst other tasks, announces the scores. Hence his or her speech is the key resource for inferring the scoring rules of tennis, a task that can be accomplished by correlating the events on the court with these score announcements. In this wo...

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