Parents Guide 2018 Part 2
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The Swing of a Cricket Ball
SCIENCE BEHIND REVERSE SWING C.P.VINOD CSIR-National Chemical Laboratory Pune BACKGROUND INFORMATION • Swing bowling is a skill in cricket that bowlers use to get a batsmen out. • It involves bowling a ball in such a way that it curves or ‘swings’ in the air. • The process that causes this ball to swing can be explained through aerodynamics. Dynamics is the study of the cause of the motion and changes in motion Aerodynamics is a branch of Dynamics which studies the motion of air particularly when it interacts with a moving object There are basically four factors that govern swing of the cricket ball: Seam Asymmetry in ball due to uneven tear Speed Bowling Action Seam of cricket ball Asymmetry in ball due to uneven tear Cricket ball is made from a core of cork, which is layered with tightly wound string, and covered by a leather case with a slightly raised sewn seam Dimensions- Weight: 155.9 and 163.0 g 224 and 229 mm in circumference Speed Fast bowler between 130 to 160 KPH THE BOUNDARY LAYER • When a sphere travels through air, the air will be forced to negotiate a path around the ball • The Boundary Layer is defined as the small layer of air that is in contact with the surface of a projectile as it moves through the air • Initially the air that hits the front of the ball will stick to the ball and accelerate in order to obtain the balls velocity. • In doing so it applies pressure (Force) in the opposite direction to the balls velocity by NIII Law, this is known as a Drag Force. -
Almanac 2020-21
ALMANAC 2020-21 SCCC Somerset County Cricket Club 2020-2021 2020-2021 The Cooper Associates County Ground, Taunton, Somerset TA1 1JT. Telephone: 01823 425301 Email: [email protected] Website: www.somersetcountycc.co.uk Somerset County Sports Shop: 01823 337597 Centre of Cricketing Excellence: 01823 352266 Somerset Cricket Museum: 01823 275893 Honorary Life Members Contents include: President’s & Chairman’s Reports PW Anderson • Sir Ian Botham Squad Profiles AR Caddick • J Davey Bob Willis Trophy Mrs M Elworthy-Coggan Vitality Blast DJL Gabbitass • J Garner • MF Hill Somerset Cricket Board RC Kerslake • Mrs L Kerslake • MJ Kitchen Including Somerset Age Group, JL Langer • VJ Marks • AT Moulding Youth & Local League Cricket RA O’Donnell • Sir Christopher Ondaatje Obituaries KE Palmer MBE • R Parsons • Sir Viv Richards 2021 Fixtures PJ Robinson • BC Rose • R Snelling CJ Twort • R Virgin • D Wood Editor’s acknowledgements Despite it looking to the contrary for much of the summer in view of the Covid pandemic, cricket was played at all levels in 2020 and within the pages of this publication we have tried to cover as much of it as possible. In the absence of any Second XI cricket and the One Day Cup competition, the Bob Willis Trophy reports have been expanded to include a write up for each day’s play as well as the full scorecards. Sadly all fixtures were played behind closed doors so hopefully these extended reports will enable readers to get the feeling of actually being at the game! In addition, the Somerset Women’s team reports plus the Boys and Girls Pathway write ups are included in the first half of the book as they now come under the remit of Somerset CCC rather than the Somerset Cricket Board. -
Bowling Performance Assessed with a Smart Cricket Ball: a Novel Way of Profiling Bowlers †
Proceedings Bowling Performance Assessed with a Smart Cricket Ball: A Novel Way of Profiling Bowlers † Franz Konstantin Fuss 1,*, Batdelger Doljin 1 and René E. D. Ferdinands 2 1 Smart Products Engineering Program, Centre for Design Innovation, Swinburne University of Technology, Melbourne 3122, Australia; [email protected] 2 Department of Exercise and Sports Science, Faculty of Health Sciences, University of Sydney, Sydney 2141, Australia; [email protected] * Correspondence: [email protected]; Tel.: +61-3-9214-6882 † Presented at the 13th conference of the International Sports Engineering Association, Online, 22–26 June 2020. Published: 15 June 2020 Abstract: Profiling of spin bowlers is currently based on the assessment of translational velocity and spin rate (angular velocity). If two spin bowlers impart the same spin rate on the ball, but bowler A generates more spin rate than bowler B, then bowler A has a higher chance to be drafted, although bowler B has the potential to achieve the same spin rate, if the losses are minimized (e.g., by optimizing the bowler’s kinematics through training). We used a smart cricket ball for determining the spin rate and torque imparted on the ball at a high sampling frequency. The ratio of peak torque to maximum spin rate times 100 was used for determining the ‘spin bowling potential’. A ratio of greater than 1 has more potential to improve the spin rate. The spin bowling potential ranged from 0.77 to 1.42. Comparatively, the bowling potential in fast bowlers ranged from 1.46 to 1.95. Keywords: cricket; smart cricket ball; profiling; performance; skill; spin rate; torque; bowling potential 1. -
Download the Art of Wrist Spin Bowling Free Ebook
THE ART OF WRIST SPIN BOWLING DOWNLOAD FREE BOOK Peter Philpott, Keith Andrew | 128 pages | 01 Sep 1997 | The Crowood Press Ltd | 9781861260635 | English | Ramsbury, United Kingdom The Art of Wrist-Spin Bowling They do not break up very much during the match. Much of the effectiveness of the flipper is attributable to the "pop", that is, the extra pace and change in trajectory that is imparted to the ball when it is squeezed out of the bowler's hand. Did you know you can read expert answers for this article? Spin bowling is a bowling technique in cricketin which the ball is delivered slowly but with the potential to deviate sharply after bouncing, and the bowler is referred to as a spinner. Helpful again, but leg spin is tougher than swinging. Published by Crowood Press Alternatively, for a ball aimed outside the leg stump, the breaking may be so sharp that the ball goes behind a right-handed batsman and hits the stumps — the batsman is then said informally to be "bowled around his legs". Daily Telegraph. Cricket positions. Lists with This Book. The leg spinner's normal delivery causes the ball to spin from right to left from the bowler's perspective in the cricket pitch when The Art of Wrist Spin Bowling ball bounces. There is virtually no overlap between the two basic biomechanical The Art of Wrist Spin Bowling of wrist spin and finger spin. Type of spin bowling in cricket. More reader stories Hide reader stories. Spin bowling Finger off spin left-arm orthodox Wrist leg spin left-arm unorthodox. -
Sport Terminology
SPORT TERMINOLOGY Baton, bell lap, decathlon, discus, false start, field, foul, hammer, heptathlon, high jump, hurdles, javelin, lane, lap, long jump, marathon, middle-distance, pole-vault, relay, record, shot put, sprint, starting blocks, steeplechase, track, track and field, Athletics triple jump, Cross Country, etc. Alley, Back Alley, Backcourt, Balk, Baseline, Carry, Center or Base Position, Center Line, Clear, Court, Drive, Drop, Fault, Feint, Flick, Forecourt, Hairpin Net Shot, Halfcourt Shot, Kill, Let, Long Service Line, Match, Midcourt, Net Shot, Push Shot, Racquet, Rally, Serve, Service Court, Short Service Line, Shuttlecock, Smash, Badminton Wood Shot etc. Baseball Pinching, Home run, Base runner, Throw, Perfect game, Strike, Put out, etc. Cue, cannon, baulk, pot scratch, long jenny, short jenny, frame, spider, short and Billiards long rest, in-off, etc. Accidental Butt, Bleeder, Bolo Punch, Bout, Brawler, Break, Buckle, Canvas, Card, Caught Cold, Clinch, Corkscrew Punch, Cornerman, Counterpunch, Cross, Cutman, Dive, Eight Count, Glass Jaw, Haymaker, Kidney Punch Liver Shot, Low Blow, Mauler, Neutral Corner, Plodder, Ring Generalship, Roughhousing, Southpaw, Spar, Boxing Stablemate, Technical Knockout, Walkout Bout, Whiskers etc. Contract bridge, duplicate bridge, tricks, suite , rubber, trump, grand slam, little Bridge slam, etc. Billiards & Snooker Pull, Cue, Hit, Object ball, Break shot, Scoring, Cushion billiards, etc. , etc. Knock. out, Round, Ring Stoppage, Punch, Upper-cut, Kidney punch, Timing, Foot Boxing work, etc. Chess Gambit, stalemate, move, resign, checkmate, etc. Hat-trick, maiden, follow-on, declare, bowled, caught, run-out, leg before wicket(LBW), stumped, striker, slips, gully, short leg, silly, mid-on, point, cover, Cricket mid-off, bouncer, beamer, googly, full toss, drive, cut, pull, hook, flick, etc. -
T20 Rules Cheat Sheet
T20 Rules Cheat Sheet ON CALL UMPIRE CONTACTS POWER PLAY Ramesh Ailaveni 480-252-0243 Overs in Innings Power Play Overs Unmil Patel 952-393-6992 19-20 6 Abhijeet Surve 651-983-5502 15-18 5 Tulsie 952-250-4178 12-14 4 SriKrishnan 612-345-1779 9-11 3 Nitin Reddy Pasula 214-226-7768 5-8 2 Basic Rules 1. During power play only 2 fielders are permitted to be outside 30 yards, fielders in catching position not required. 2. During non power play no more than 5 fielders can be outside 30 yards. 3. A batsmen can be out on free hit, if he is run out or handled the ball or hit the ball twice or obstructs the field. 4. Apply duck-worth for any interruption that requires over reductions. 5. A minimum of 5 overs constitutes a match. 6. Play can be extended beyond scheduled cut off , if there is enough light just to complete minimum overs to get a result. 7. Beamer 1. A delivery which is other than a slow paced one and passes on the full above waist height or 2. A delivery which is slow paced and passes on the full above shoulder. 3. First instance of beamer is called no ball with warning. Second instance any time in the innings is called no ball and bowler can not bowl further in that innings. 8. Bouncer - above shoulder height but not above the head. Bouncer above head is called wide. 1. If bowled in same over 1. first one allowed, second one no ball with first warning, third one no ball with final warning, fourth one no ball and bowler can not bowl further in that innings. -
KCL USA Stamp
KERALA CRICKET LEAGUE Umpire Cheat Sheet Item Description Ground Setup Matting, Boundary/30-yard circle markings should have been completed 15 minutes before scheduled start time Playing 11 Collect names of playing 11 from both teams before start of play and verify photo IDs, if required Toss time is 15 minutes before scheduled start time. Visitors call the toss. Teams not having 7 players (in Toss colored jersey) on the field by scheduled game time will automatically forfeit the toss. Total Play time 4.8 Minutes Per Over. 120 Minutes per innings for a full 25 over game. Drinks Break 5 minutes drinks break at the end of 13th/12th over. Innings Break 15 minutes break at the end of first innings Boundary is a straight line between two adjacent cones. Confirm with both teams about runs/boundaries, if there Boundaries Are any goal posts/trees in the ground. Overs Per Bowler Maximum overs per bowler = Total overs Played/5. In a full 25 overs game, one bowler can bowl a max of 5 overs. Fielding teams will provide balls for their innings. Please make the ball has KCL USA stamp. Only one new ball Balls can be used per innings. If balls are lost during the game, use similar old balls. Minimum 4 players should be inside 30-yard circle at all times. Maximum 5 players on the leg side and 2 players Field Restrictions behind square leg (excluding wicket Keeper). Mandatory PP: First 7 overs: minimum 9players should be inside & Power Play 30-yard circle. There will no batting or bowling PP. -
Measuring Spin Characteristics of a Cricket Ball
12:00-12:15 pm Aaron J. Beach. Measuring spin characteristics of a cricket ball. (230) MEASURING SPIN CHARACTERISTICS OF A CRICKET BALL Aaron Beach, René Ferdinands and Peter Sinclair Exercise and Sport Science, Faculty of Health Sciences, University of Sydney, Sydney Australia The purpose of this paper is to outline an experimental procedure for measuring the spin rate and direction of spin axis of a cricket ball in flight. While the spin rate and horizontal direction of the spin axis are important for deviation upon impact with the ground, the lateral movement of the ball in the air requires a vertical elevation angle of the ball’s spin axis. Using three markers on the ball, a 3D Cortex motion analysis system was used to measure the vertical and horizontal components of the spin axis from six deliveries of ten bowlers of varying playing levels. Software was programmed to graphically display the magnitude and direction of the ball spin during the live capture, making it a potentially valuable performance analysis tool. The results show that bowlers had substantial differences in spin rate and spin axis orientation depending on their playing level. KEY WORDS: cricket, spin bowling, spin, flight, swerve. INTRODUCTION: In contrast to the athleticism of fast bowling in cricket, spin bowling is a more tactical and deceptive art. While spin bowlers generally aim to deceive batsmen by causing the ball to alter the direction of its bounce off the ground, another effective tactic is to make the ball deviate from its natural projectile motion during its flight. Two factors are commonly associated with the ball’s flight, often referred to as dip and drift. -
Bowling Skills
Bowling Skills Presented By Clinton Kempnich Valley Junior Coaching Director Level 3 CA Coach General issues for seam and spin The approach/run in, try to stay: •Smooth •Balanced •Economical •Rhythmical •Consistent •stay relaxed and try not to tense up. Angle of run up • Quicks/mediums‐ straight but angles and positions within the crease are can be used to effect. • Spinners ( personal choice and style but body pivot and position need to be considered) Tactics and plans • Warm ups • Direction‐ where to bowl? • Ball care • Build an over • Field settings Junior FAQ’s He throws but cannot get the concept of bowling, what do I do? The bowler skips twice before release? The bowler bowls 4 good balls and 2 “4” balls an over, why? Styles San Cincinnati Reds, Chapman 105 MPH Not so perfect - quick but Perfect but unusual and (168KPH) injured real quick , not injured. 160.58 km/h – 180 KPH anecdotal Direction • Front on • Side on • Mixed • All angles Forces at work • The faster the bowler runs into the wicket, the greater their physical conditioning needs to be to withstand the ground reaction forces (GRFs), in particularly at front foot contact. This can be anywhere between five to ten times the body weight (BW) of the bowler for each delivery. • Spondylolysis is an overuse injury that effects the hard tissue of the lower spine, specifically the lumbar. As seen in this picture, there is a fracture in the bone of the lumbar, thus meaning that it is a hard tissue injury. Action ‐ aspects to monitor • Aim to keep your head as steady and level as possible, looking towards your target. -
Biomechanics in Testing the Legality of a Bowling Action in Cricket
BIOMECHANICS IN TESTING THE LEGALITY OF A BOWLING ACTION IN CRICKET David Lloyd, Jacque Alderson and Bruce Elliott Department of Human Movement and Exercise Science The University of Western Australia, Perth, Australia Movement analysis in sport and leisure is clearly the domain of the sports biomechanist. Technique modifications to improve performance or reduce the incidence of injury are currently administered. However, the analysis of sporting movements, from a legal perspective, is a more recent development. This paper discusses the procedures used in testing the legality of actions used in bowling in cricket. KEY WORDS: motion analysis, cricket, Vicon INTRODUCTION: The current no ball law in cricket with reference to throwing states: “the arm should not be straightened in the part of the delivery that immediately precedes ball release” The sport biomechanist in assessing the legality of a bowling action must first decide on the design of the analysis protocol. Questions that need to be answered before deciding on this protocol are: Is movement analysed in a laboratory setting representative of what occurs in the game environment? Also, are athletes capable of changing their action to comply with regulations when being filmed in a laboratory environment? Does the lack of accuracy in determining joint centres under baggy clothing worn in match conditions, lead to uncertainty about the error in the collected data? The laws of the game must also be read from both a “spirit of the game” and a biomechanical perspective. In fast bowling the phrase “immediately before delivery” must be interpreted from both those perspectives. This paper will show how the Sri Lankin spin bowler Muttiah Muralitharan on being “called for throwing” was analysed within the biomechanics laboratory of the Department of Human Movement and Exercise Science. -
A Multidisciplinary Examination of Fast Bowling Talent Development in Cricket
A MULTIDISCIPLINARY EXAMINATION OF FAST BOWLING TALENT DEVELOPMENT IN CRICKET Elissa Jane Phillips BPhEd & MSc (Hons) Submitted in fulfilment of the requirements for the degree of Doctor of Philosophy School of Human Movement Studies Faculty of Health Queensland University of Technology 2011 ii Keywords Biomechanics, cricket, dynamical systems theory, degeneracy, expertise, fast bowling, skill acquisition, metastability, multidisciplinary, talent development, variability. iii iv Abstract Research on expertise, talent identification and development has tended to be mono-disciplinary, typically adopting geno-centric or environmentalist positions, with an overriding focus on operational issues. In this thesis, the validity of dualist positions on sport expertise is evaluated. It is argued that, to advance understanding of expertise and talent development, a shift towards a multidisciplinary and integrative science focus is necessary, along with the development of a comprehensive multidisciplinary theoretical rationale. Dynamical systems theory is utilised as a multidisciplinary theoretical rationale for the succession of studies, capturing how multiple interacting constraints can shape the development of expert performers. Phase I of the research examines experiential knowledge of coaches and players on the development of fast bowling talent utilising qualitative research methodology. It provides insights into the developmental histories of expert fast bowlers, as well as coaching philosophies on the constraints of fast bowling expertise. Results suggest talent development programmes should eschew the notion of common optimal performance models and emphasize the individual nature of pathways to expertise. Coaching and talent development programmes should identify the range of interacting constraints that impinge on the performance potential of individual athletes, rather than evaluating current performance on physical tests referenced to group norms. -
Children'sactivity Booklet
THE CHILDREN’S ACTIVITY BOOKLET Colour me in Join Alastair Cook, Tom Westley, Ryan ten Doeschate and the rest of the Eagles for some fun during your time at home. There will be plenty more activities available at www.essexcricket.org.uk including quizzes, videos and competitions in the weeks ahead! Kno w Yo u r Who am I ? Signals - I was born on November 24, 1984 in Victoria, Australia Circle the correct signal - I wear the Number 64 shirt for Essex What are the names of the Boundary 4... - I once took a hat-trick for my country on the same View day as my birthday Essex Eagles mascots? - I’ve played in the Ashes Answer: What shirt number does Which two trophies did Boundary 6... Jamie Porter play in? Essex win in 2019? anAgrams Unscramble the letters to work out the players... Ha, A Tweed Arm ____ _______ Out... A Harness Ten _____ ______ Which country does A Drone Abra ____ _____ Simon Harmer comes from? No New Brick ____ ______ Teen Secondary Hat ____ ___ _________ How many Test matches did Alastair Cook play in for What are the names of the Essex Wo rdsearch England - 101, 131 or 161? Eagles mascots? Can you find these 11 hidden words? G P A A L F S J Y P A N A S N G O P S Y H T K E Who is Essex’s Club Captain? Colour A Y R A D N U O B S J M me in Y R I V P U T J N U R S What is the name of the X U C N T M C E A T C T Eagles’ home ground? L T V V J P D K K L J A Who has scored the most first-class T N I N N I N G S C G B runs for Essex - Nasser Hussain, Graham L E Y J A R R C D L I O C C V M U E A G L E S W Gooch or Alastair Cook? P B H O I B X R M C Y L O A C T V D D I K Q O E I M R G A G X U U X H R EAGLES BOWLER RUN BOUNDARY WICKET BATSMEN UMPIRE DUCK CENTURY MAIDEN INNINGS What s the Best Way to Wash your Hands? Here’s how to scrub those germs away..