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Upper Limb Kinematics During the Topspin Double-Handed Backhand Stroke in Tennis
38th International Society of Biomechanics in Sport Conference, Physical conference cancelled, Online Activities: July 20-24, 2020 UPPER LIMB KINEMATICS DURING THE TOPSPIN DOUBLE-HANDED BACKHAND STROKE IN TENNIS Nicholas A. Busuttil1, Machar Reid2, Molly Connolly2,3, Ben J. Dascombe4 & Kane J. Middleton1 Sport and Exercise Science, School of Allied Health, Human Services, and Sport, La Trobe University, Melbourne, Australia1 Game Insight Group, Tennis Australia, Melbourne, Australia2 Institute for Health and Sport, Victoria University, Melbourne, Australia3 Applied Sport Science and Exercise Testing Laboratory, School of Life and Environmental Sciences, University of Newcastle, Ourimbah, Australia4 The purpose of this study was to compare non-dominant wrist kinematics during tennis double-handed backhand strokes in players using either an eastern or continental grip position. Trajectory data for two grips (eastern & continental) and depths (deep & short) were captured for sixteen sub-elite right-handed tennis players using a 12-camera Vicon motion capture system (250 Hz). The eastern grip demonstrated significantly faster horizontal racket head velocities compared to the continental grip. However, no differences were observed in accuracy or spin rate between grips (p > 0.05). In the non-dominant upper limb for the continental condition, elbow flexion was smaller while wrist extension was larger throughout the swing. Collectively, these data suggest that the continental grip may place the wrist in a position that is more vulnerable to overuse injury. KEYWORDS: ulna, wrist, kinematics, grip, tennis. INTRODUCTION: Acute wrist pain is among the most common issues reported by elite and recreational tennis players, and it is a likely result of the wrist being the first major upper limb joint to absorb ball impact forces (Stuelcken, Mellifont, Gorman, & Sayers, 2017; Elliott, 2006). -
First 4 Shots Belgium
Let’s Connect Instagram coshannessy Twitter @BrainGameTennis Facebook BrainGameTennis Website www.braingametennis.com E-Mail [email protected] The First 4 Shots Building Blocks Matches Sets Games Points No. 1 in the World YEAR PLAYER W/L MATCH WIN % 2018 Novak Djokovic 49-11 82% 2017 Rafael Nadal 67-11 86% 2016 Andy Murray 78-9 90% 2015 Novak Djokovic 82-6 93% 2014 Novak Djokovic 61-8 88% 2013 Rafael Nadal 75-7 92% 2012 Novak Djokovic 75-12 86% 2011 Novak Djokovic 70-6 92% 2010 Rafael Nadal 71-10 88% - TOTAL / AVERAGE 628 - 80 89% Building Blocks Matches = 89% Points = ? No. 1 Player: Points Won 55% YEAR PLAYER POINTS WON % 2018 N. Djokovic 54% 2017 R. Nadal 56% 2016 A. Murray 55% 2015 N. Djokovic 56% 2014 N. Djokovic 55% 2013 R. Nadal 55% 2012 N. Djokovic 55% 2011 N. Djokovic 56% 2010 R. Nadal 55% 2009 R. Federer 54% 2001 L. Hewitt 53% 2000 G. Kuerten 53% 1996 P. Sampras 53% 1991 S. Edberg 53% 2018: Top 50 Percentage Points Won Top 50: True / False More than 20% of the Top 50 in 2018 lost more points than they won? Top 50: True / False True 11/50 (22%) lost more points than they won in 2018 Top 50: 2018 Season RANKING POINTS WON POINTS PLAYED WIN % 1-10 54,424 103,105 52.79% 11-20 46,260 90,239 51.26% 21-30 42,648 83,797 50.89% 31-40 37,101 73,685 50.35% 41-50 36,832 74,261 49.60% TOTAL/AVERAGE 217,265 425,087 51.11% Average / Points Won Top 10 = 53% Top 50 = 51% 2016 Season RANKING PLAYER % POINTS WON PRIZEMONEY 1 Andy Murray 55% $13,327,822 2 Novak Djokovic 55% $12,630,465 5 Kei Nishikori 53% $4,324,963 10 Tomas Berdych 52% $2,318,756 20 Ivo Karlovic 50% $1,267,348 50 Florian Mayer 49% $695,103 Karlovic = No. -
Kinematic Analysis of the Racket Position During the Table Tennis Top Spin Forehand Stroke
applied sciences Article Kinematic Analysis of the Racket Position during the Table Tennis Top Spin Forehand Stroke Ivan Malagoli Lanzoni 1,* , Sandro Bartolomei 1 , Rocco Di Michele 1, Yaodong Gu 2 , Julien S. Baker 3 , Silvia Fantozzi 4 and Matteo Cortesi 5 1 Department of Biomedical and Neuromotor Sciences, University of Bologna, 40126 Bologna, Italy; [email protected] (S.B.); [email protected] (R.D.M.) 2 Faculty of Sports Science, Ningbo University, Ningbo 315211, China; [email protected] 3 Centre for Health and Exercise Science Research, Department of Sport, Physical Education and Health, Hong Kong Baptist University, Kowloon Tong, Hong Kong; [email protected] 4 Department of Electrical, Electronic and Information Engineering, University of Bologna, 40126 Bologna, Italy; [email protected] 5 Department of Life Quality Studies, University of Bologna, 40126 Bologna, Italy; [email protected] * Correspondence: [email protected]; Tel.: +39-051-2088777 Abstract: The present study aims to assess the position of the racket, and racket height with respect to the floor, during the table tennis top spin stroke. A stereophotogrammetric system (Smart-D, BTS, 8 cameras, 550 Hz) was used to track the table tennis racket during cross-court (CC) and long-line (LL) shots. Ten national level players completed ten CC and ten LL top spin strokes responding to a robot machine. The racket motion throughout the shot showed specific technical characteristics: the minimum height of the racket was detected during the backswing phase; racket height at the end of backswing phase (maximal distance racket/table) was higher than the minimum; height at Citation: Malagoli Lanzoni, I.; the racket maximum velocity (ball/racket impact) was greater than the net’s height. -
2019 World Teamtennis Media Information
2019 World TeamTennis Media Information FACTS & FIGURES ..................................................................................................... 2 BROADCAST OUTLETS & HAWK-EYE LIVE ................................................................. 4 TEAM ROSTERS ......................................................................................................... 6 2019 WTT SCHEDULE ............................................................................................... 8 TEAM VENUES ........................................................................................................ 10 MORE ABOUT WORLD TEAMTENNIS ...................................................................... 11 Important Things To Know .................................................................................. 12 Innovations & Firsts ............................................................................................ 14 Milestones .......................................................................................................... 15 WTT FINALS & CHAMPIONS ................................................................................... 17 FACTS & FIGURES What: World TeamTennis showcases the best in professional tennis with the innovative team format co-founded by Billie Jean King in the 1970s. Recognized as the leader in professional team tennis competition, WTT features many of the world’s best players competing annually for the King Trophy, the league’s championship trophy named after King. 2019 Teams: New York -
The Official Rulebook
THE OFFICIAL RULEBOOK 2020-2021 Comments and suggestions regarding this rulebook are welcome. If you have any feedback, please submit in writing to our address below. Editors: Bob Booth, Cory Brooks, Christopher Cetrone, Kevin Foster, Rebel Good, Lee Ann Haury, Steve Laro, Steven Menoff, Anthony Montero, Courtney Potkey, Darren Potkey, Dean Richardville, Chris Rodger, Andrew Rogers, Richard Rogers, Timothy Russell, Reliford Sanders, Isabelle Snyder, Brad Taylor, Chris Wilson and Sharon Wright. Intercollegiate Tennis Association 1130 E University Drive Suite 115 Tempe, AZ 85281 www.ITATennis.com [email protected] © 2020 by the Intercollegiate Tennis Association. All rights reserved. No part of this book may be reproduced in any form without the written consent of the Intercollegiate Tennis Association. Printed in the United States of America Cover designed by Jacob Dye. Produced for the Intercollegiate Tennis Association by Courtney Potkey i ii FOREWORD Dear Colleagues: As COVID-19 changes our lives, all of us working in the arena of college athletics have been reminded of the lessons learned on and off the field and courts of competition — persistence, getting up from setbacks and moving forward to compete again. The ITA and college tennis continue to be leaders in the sports world at this critical moment, working hard to demonstrate how tennis can return as a safe sport. In recent years striving together has been an overarching theme of the ITA… players, coaches and officials committing to fashion an environment whereby exceptional tennis technique, strategy, tactics and sportsmanship are combined with well-considered rules to create contests of “worthy rivals.” As the 2020-2021 competitive season gets under way, once again we want to ensure that tennis matches are conducted in a safe and fair manner and that attention to the health and welfare of all involved is coupled with qualities of character such as integrity, honesty and trustworthiness. -
All Tennis Grips Explained Clearly
All Tennis Grips Explained Clearly The tennis grips you use have a big influence on your style of play. This is because the tennis grip is one of the factors that determines how much of spin you put and how much of pace you generate. One grip is not better than another. You should select a grip that helps your style of play. If you are an aggressive player, choose a grip that allows you to hit through the ball and put more pace (think Federer). If you are more of a consistent player, choose a grip that allows you to put more spin (think Nadal). The tennis racket grip is divided into 8 bevels as shown in the diagram. The type of grip depends on which bevel the Index Knuckle and Heel Pad rest. All of the tennis grip diagrams below assume that you are right handed. If you are left handed just reverse the instructions. Serve Continental Grip Use this for the serve, volley, overhead, and slice (all the pros do). The Index Knuckle and Heel Pad rest on bevel 2. Forehand There are three forehand grips. Each grip has its own natural height at which you would contact the ball. The higher the natural contact point, the more naturally you hit across the back of the ball from bottom to top, and more top spin you put on the ball at the expense of pace. This will be clearer as you read about the three forehand grips. Eastern Forehand Grip Index Knuckle and Heel Pad rest on the 3rd bevel. -
The Little Green Book of Tennis
THE LITTLE GREEN BOOK OF TENNIS SECOND EDITION TOM PARHAM Copyright © 2015 by Tom Parham All rights reserved. No part of the content of this book may be reproduced without the written permission of Mr. Tom Parham 202 Blue Crab Court Emerald Isle, N. C. 28594 ISBN #: 978-0-9851585-3-8 Second Edition LOC #2015956756 Printed and Bound in the United States of America 10 9 8 7 6 5 4 3 2 CONTENTS Harvey Penick’s Book...............................................................................................................2 Mentors...................................................................................................................4 Jim Leighton..............................................................................................................................4 Jim Verdieck...............................................................................................................................6 Keep on Learning......................................................................................................................8 If I Die..........................................................................................................................................9 Ten Ground Stroke Fundamentals......................................................................................9 Move! Concentrate! What DoThey Mean?......................................................................12 Balance Is the Key to GoodTennis........................................................................................13 -
Double-Handed Backhand Stroke
VIDEO ANALYSIS OF BY: BONNIE CUTHBERT INSTRUCTOR: MR. HOPPER PE 117: TENNIS (F01) 1 Subject: Page Number: Backhand Groundstroke Introduction 3 Objective of the Backhand 3 Two-Handed Backhand 3 Two-Handed Backhand Grip 4 Phases of the Backhand Skilful Performance 4 Preparatory Movement and Mental State Phase 4 Wind-up, Backswing Phase 4 Force Generation Phase or Forward Swing 5 Follow-Through Phase 6 Phases of the Backhand Own Performance 6 Preparatory Movement and Mental State Phase 6 Wind-up, Backswing Phase 6 Force Generation Phase or Forward Swing 7 Follow-Through Phase 7 Changes to Personal Stroke 8 Bibliography 9 Backhand Grips Pictures Appendix 1 Single Backhand Pictures of Mark Philippoussis Appendix 2 Double Backhand Pictures of Lindsay Davenport Appendix 3 Double Backhand Pictures of Bonnie Cuthbert Appendix 4 Single Handed Backhand Grip Information Appendix 5 Extra Information Appendix 6 2 The Backhand stroke is viewed quiet differently by different people. People such as Maurice McLoughlin, a contemporary champion in 1915, wrote “’Strokes on the left- hand side of a right-handed player, and vice versa, are taken in what might be called the most ‘unnatural’ position in tennis. The backswing is much more hampered than in any other stroke. The strength of the wrist is much more demanding…all these things make the ordinary backhand stroke an awkward one…’ J. Parmly Paret wrote in 1927 ‘The backhand stroke is one of the greatest stumbling blocks for every beginner…if you’re like the average player, you’re pretty relaxed on the forehand, but when you see a ball coming to your backhand you cringe, ‘Dear God, it’s a backhand’(cited in Tabak, 1991, p. -
FOREHAND GROUND STROKE Critical Elements Coaching Words
FOREHAND GROUND STROKE Critical Elements • Ready Position Coaching Words • Non-paddle Shoulder Forward • Non-paddle Shoulder Forward • Begin Forehand Backswing and Step • Opposite Foot Forward Opposite Foot Forward • Paddle Top Down • Contact Ball Low to High • Sweep Up Follow Through • Shift Weight Forward and Follow Through Up BACKHAND GROUND STROKE Critical Elements • Ready Position Coaching Words • Paddle Shoulder Forward • Paddle Shoulder Forward • Begin Backhand Backswing and Step Front • Same Foot Forward Foot Forward • Paddle Top Down • Contact Ball Low to High • Sweep Up Follow Through • Shift Weight Forward and Follow Through Up UNDERHAND SERVE Critical Elements • Non-Paddle Leg Forward Coaching Words • Face Opponent • Non-Paddle Leg Forward • Backswing • Paddle Head Top-down, Below Wrist • Keep Paddle Head Top Down and Below • Drop Ball, Contact After Drop Wrist • Follow Through Up and Forward • Drop Ball • Contact Ball Below Waist (Before It Hits the Ground) • Follow Through Up and Forward FOREHAND /BACKHAND VOLLEY (PING PONG VOLLEY) Critical Elements • Ready Position Coaching Words • Move to Ball • Plant Your Feet • Open Stance with Feet Planted • Eyes on the Ball • Short Backswing • Push with Paddle’s Open Face (Forehand or Backhand) • Paddle Push and Contact Ball • Short Follow Through Forward LOB Critical Elements • Ready Position Coaching Words • Move to Ball • Contact Low • Get Low • Follow Through Strong and High • Contact Ball Low to High • Strong Follow Through Up OVERHEAD SMASH Critical Elements • Ready Position Coaching Words • Paddle in Back Scratch Position • Back Scratch Position • Fully Extend Arm • Extend Arm • Contact Ball High • Contact High • Shift Weight Forward • Follow Through Forward and Down • Follow Through Down . -
This Content Is a Part of a Full Book - Tennis for Students of Medical University - Sofia
THIS CONTENT IS A PART OF A FULL BOOK - TENNIS FOR STUDENTS OF MEDICAL UNIVERSITY - SOFIA https://polis-publishers.com/kniga/tenis-rukovodstvo-za-studenti/ A brief history of tennis 1. Origin and development of the game Ball games were popular in ancient Rome and Greece under the name of a spherical "ball game". In the 11 th and 12 th centuries, the games of "Jacko del Palone" and "Jaco de la Corda" were mentioned, which resembled modern tennis (Todorov 2010; Mashka, Shaffarjik 1989). In the 14 th century, outdoor and indoor courts started to be built in France, where the game of "court – tennis" was played, which was later renamed "palm game", that, dependent on being played inside or outside, was called "short tennis" and " long tennis" (Penchev 1989). Antonio Scaino da Salò’s book "Treatise on the game of the ball" (1555) describes the game instruments - a racquet and a ball - a tight ball of wool, wrapped in leather. It was struck with the palm of the hand, wrapped in a leather belt and a wooden case. A glove was used as well to protect against pain and traumas (Mashka, Shaffarjik 1989). The "court - tennis" game became popular predominantly amongst the nobles in Europe under the name of "Jeu de paume" – palm game, played both indoors and outdoors. “Mirabo” hall, part of the famous Versailles Palace that was transformed at that time by the Sun King - Louis XIV into a main residence of the French kings, exists to this day and had served for that purpose. Fig. 1. -
Tennis Rules and Etiquette Guidelines Our Spectator Policy, This Will Not Be Tolerated
Tennis Rules and Etiquette Guidelines our spectator policy, this will not be tolerated. If someone does question you on a line call or a ruling Tennis you have the right to remove them/ask them to leave the playing area. Should they refuse to leave the playing area, let them and the player know that the cheat sheet player will now receive a code violation related to this action and will continue to do so until either one of two things occur – Rules and a) The parent/spectator leaves the area b) The player reaches his or her 3rd code violation and is defaulted from match play. Etiquette Parent/Spectator Continues to be Unruly: These are grounds for immediate removal from the playing area and facility. Should they refuse to leave the premises and having gone through Code Violations, then do Guidelines not hesitate to contact security or the police to have them removed. Safety of the players, officials, tournament staff and facility staff always comes first. Should an Incident Occur: If something does take place, please contact USTA Northern: http://www.northern.usta.com. Tennis Rules and Etiquette Guidelines Tennis Rules and Etiquette Guidelines Etiquette (for parent or spectators) 1. Any attempt by a spectator (which includes the above mentioned) to question an official, tournament staff or 1. Use primarily your “inside voice” when watching player regarding a line call or other ruling during match matches. play will be cause for immediate removal from the playing area and, if warranted, from the premises. 2. Don’t cheer, shout encouragement, or applaud during a point or serve. -
Federer Retains Hopman Title
SUNDAY, JANUARY 6, 2019 16 Pakistan avoid innings defeat, delay South Africa Bahrain snatch victory charge draw with UAE Mohamed Al Rohaimi’s goal salvages draw for Bahrain in 2019 Asian Cup opener AFP | Abu Dhabi osts United Arab Emir- Pakistan’s Shan Masood plays a shot ates salvaged a contro- Hversial 1-1 draw in their AFP | Cape Town, South Africa overs was not worth it,” said Asian Cup curtain-raiser against South African fast bowler Kag- Bahrain yesterday. lthough Pakistan are fac- iso Rabada. Substitute Ahmed Khalil Aing a heavy defeat, their Masood hit a composed 61 smashed home a late penalty fightback on the third day of and Shafiq and Azam both harshly awarded for a handball the second Test against South played aggressively to score after Mohamed Alromaihi had Africa was a good sign for the 88 and 72 respectively. given Bahrain a shock lead in team, batsman Asad Shafiq Masood and Shafiq shared Abu Dhabi. said yesterday. the most enterprising part- The Emirates scored after just Half-centuries by Shafiq, nership of the match when 14 seconds when the two teams Shan Masood and Babar Azam they put on 132 in 132 min - met at the 2015 Asian Cup in enabled Pakistan to take the utes off 168 balls for the third Australia but there was little match into a fourth day. wicket. danger of that in a scruffy first Pakistan were bowled out Shafiq said a positive mind- half. in the last over for 294, leav- set was the key to Pakistan’s UAE’s Ismail Alhammadi fired ing South Africa needing 41 best day of the series.