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Describing Baseball Pitch Movement with Right-Hand Rules
Computers in Biology and Medicine 37 (2007) 1001–1008 www.intl.elsevierhealth.com/journals/cobm Describing baseball pitch movement with right-hand rules A. Terry Bahilla,∗, David G. Baldwinb aSystems and Industrial Engineering, University of Arizona, Tucson, AZ 85721-0020, USA bP.O. Box 190 Yachats, OR 97498, USA Received 21 July 2005; received in revised form 30 May 2006; accepted 5 June 2006 Abstract The right-hand rules show the direction of the spin-induced deflection of baseball pitches: thus, they explain the movement of the fastball, curveball, slider and screwball. The direction of deflection is described by a pair of right-hand rules commonly used in science and engineering. Our new model for the magnitude of the lateral spin-induced deflection of the ball considers the orientation of the axis of rotation of the ball relative to the direction in which the ball is moving. This paper also describes how models based on somatic metaphors might provide variability in a pitcher’s repertoire. ᭧ 2006 Elsevier Ltd. All rights reserved. Keywords: Curveball; Pitch deflection; Screwball; Slider; Modeling; Forces on a baseball; Science of baseball 1. Introduction The angular rule describes angular relationships of entities rel- ative to a given axis and the coordinate rule establishes a local If a major league baseball pitcher is asked to describe the coordinate system, often based on the axis derived from the flight of one of his pitches; he usually illustrates the trajectory angular rule. using his pitching hand, much like a kid or a jet pilot demon- Well-known examples of right-hand rules used in science strating the yaw, pitch and roll of an airplane. -
Brandon Belt
BRANDON BELT • Born April 20, 1988, in Nacogdoches, Texas, in a house his father built. • Parents are Darrell and Janice (pronounced Ja-neece). He has one younger brother, Cameron. Father is a geometry teacher at Brandon’s high school, Hudson High in Lufkin. His mother is a hairdresser. • As a senior at Hudson High, Belt earned district MVP, All-State and All-Amer- ica honors. Standout pitcher – thought he’d make the major leagues in that position. • Had a verbal agreement with Cubs coming out of high school to be drafted in high rounds and paid high-round money. But Cubs didn’t come through and Red Sox drafted him the 11th round. Disappointed, Belt went to college instead. “Everything I went through happened for a reason,’’ he says. “I’m so happy I went to college. I matured so much as a baseball player and as a person and I made so many friends.’’ • Played one year for San Jacinto College in Houston before transferring to University of Texas. (Same two colleges Roger Clemens attended.) Majored in education. Helped propel Texas to the College World Series in 2009, where the Longhorns lost in the Championship game to LSU. • Injuries as a junior at University of Texas forced him to give up pitching altogether. When his hitting dropped off – he was barely hitting .300 two thirds into his junior year – Brandon sank to the lowest point in his life. He had always wanted to be pro baseball player and now he was wondering if he would make it. Then his grandfather, James Peter- son, died. -
The Story of Baseball Medicine...Is a Story of How We Arrived at Today and Where We Are Going Tomorrow
A Review Paper The Process of Progress in Medicine, in Sports Medicine, and in Baseball Medicine Frank W. Jobe, MD, and Marilyn M. Pink, PhD, PT ome years ago, a mentor once said “I’m not inter- Ancient Greece ested in what you know as much as I’m interested The time of the Ancient Greeks was around 500 BC. in how you think.” That was a very curious state- Herodicus is one of the first progressive medical practitio- ment for an orthopedic surgeon. Doesn’t a surgeon ners of whom we know. Herodicus was a “gymnast”—a Shave to know the facts of the human body? Wasn’t that physician who interested himself in all phases of an ath- “what” I knew? lete’s training. Literally, gymnase in Greek means naked. Now, when at the opposite end of the career spectrum, And, it was Herodicus himself who recommended that the the wisdom behind those words is apparent. “How we athletes exercise and compete in the nude in order to keep think” determines the progress we’ll make. “What we as cool as possible and to perspire freely in the humidity. think” is that which we memorized to get through medical school and is good only for today. With that in mind, the story of baseball medicine is not “...the story of baseball just a story of baseball statistics—rather, it is a story of medicine...is a story of how how we arrived at today and where we are going tomor- row. If we are wise, we can learn from the story: we won’t we arrived at today and need to repeat history, but rather we can look at the com- where we are going tomorrow.” monalities in the progressive steps and invent our future. -
An Analysis of the Gyroball by Alan Nathan and Dave Baldwin
**BRJ_#36_v11:Layout 1 12/11/07 8:49 AM Page 77 An Analysis of the Gyroball by Alan Nathan and Dave Baldwin aseball has been around for over 150 years, and THE MECHANICS OF THE GYROBALL during that time many thousands of pitchers, The trajectory of a pitch in flight is governed by Bhoping to find the unhittable pitch, have exper - the gravitational force, drag force, and the Magnus imented with grip, delivery, and release of the ball. force on a spinning ball. Gravity makes the ball drop Consequently, rarely is there anything new under the by three to four feet—the slower the pitch, the longer sun in the modern game. When a potentially new gravity acts and the greater the drop. The drag force pitch comes along, therefore, it can generate a great results from air resistance to the movement of the ball. deal of uncritical excitement and media attention. It acts to slow the pitch. The Magnus force deflects Such was the case with a recent, highly touted “inno - the ball, the direction and magnitude of the deflection vation” called the “gyroball.” depending on the spin rate, the speed of the pitch, and The gyroball was the brainchild of Kazushi Tezuka, the orientation of the spin axis. This force causes the a Japanese pitching coach, and Ryutaro Himeno, a ball to break in the direction that the leading hemi - Japanese computer scientist who determined the sphere (face) of the ball is turning. The Magnus force properties of the pitch through elaborate simulations. is largest when the spin axis and trajectory are at Their book (in Japanese only), Makyuu no Shoutai 90° to each other and is exactly zero when they are (Roughly translated as The Secret of the Demon Mira - perfectly aligned. -
A Biomechanical Comparison of the Fast Ball and Curve Ball of College Baseball Pitchers
University of the Pacific Scholarly Commons University of the Pacific Theses and Dissertations Graduate School 1984 A biomechanical comparison of the fast ball and curve ball of college baseball pitchers Michael D. Otto University of the Pacific Follow this and additional works at: https://scholarlycommons.pacific.edu/uop_etds Part of the Sports Studies Commons Recommended Citation Otto, Michael D.. (1984). A biomechanical comparison of the fast ball and curve ball of college baseball pitchers. University of the Pacific, Thesis. https://scholarlycommons.pacific.edu/uop_etds/2105 This Thesis is brought to you for free and open access by the Graduate School at Scholarly Commons. It has been accepted for inclusion in University of the Pacific Theses and Dissertations by an authorized administrator of Scholarly Commons. For more information, please contact [email protected]. A BIOMECHANICAL COMPARISON OF THE FAST BALL AND CURVE BALL OF COLLEGE BASEBALL PITCHERS A Thesis Presented to the Graduate Faculty of University of the Pacific In Partial Fulfillment of the Requirements for the Masters Degree' .,' .,._: by Michael D. Otto April 1984. This thesis, written and. submitted by .. MI Cl:lAEJ.. f). OTTO .. is approved for recommendation to the.Committee on Graduate Studies, University of the Pacific Department Chairman or Dean: .. ·.s. <11CMA.UA. s~. Thesis Committee: .· .C.hairman Acknowledgements The investigator wishes to express sincere appreciation to: The subjects of this study who gave me the privilege of being their coach. My colleagues and friends for their encouragement and prayers. Dr. Ken Beauchamp for his invaluable assistance with the. statistical analysis. Dr. John G. Boelter for his inspiration, concern, energy'· and friendship that stood as the cornerstone for this study. -
Will She Make the Big Leagues?
Will She Make The Big Leagues? For many people, the start of spring means the start of baseball season too. But this season is a bit different from all the ones before. As shouts of “Play ball!” are heard around big-league ballparks, there are whispers about a young Japanese girl. Might she be the first woman to play in the big leagues? Sixteen-year-old Eri Yoshida was drafted last fall by a new Japanese baseball team. In her tryout for the team, she used her knuckleball to pitch an inning of hitless ball against an all-male team. Team owners were impressed. They think she has the skills to become the first female to break into the big leagues. Yoshida has been playing baseball since she was in the second grade. When she was in junior high school, she played first base on an all-boys team. Then her father showed her video of Tim Wakefield, a knuckleball pitcher for the Boston Red Sox. She watched the video and thought she could learn to throw the knuckleball too. Some people think Yoshida was signed in order to make news headlines and bring attention to a new NEWS WORD BOX team. But the team’s manager doesn’t see it that way. “Her sidearm knuckle balls dip and sway, and could be drafted impressed effective weapon an effective weapon for us,” he said. professional achieve For Yoshida, she never dreamed she might be the first woman to play professional ball. “I have only just been picked by the team and have not achieved anything yet,” she said. -
Exercises Tailored to Meet the Needs of Submarine Pitchers
Submarine Pitchers EXERCISES TAILORED TO MEET THE NEEDS OF SUBMARINE PITCHERS Independent Research Presented to The Faculty of the College of Health Professions and Social Work Florida Gulf Coast University In Partial Fulfillment Of the Requirement for the Degree of Doctorate of Physical Therapy By Kurtis Mullaney and Michael Klein 2015 Submarine Pitchers APPROVAL SHEET This independent research is submitted in partial fulfillment of the requirements for the degree of Doctorate of Physical Therapy ______________________________________ Kurtis Mullaney Michael Klein Approved: May 2015 ______________________________________ Dr. Shawn Felton, EdD, ATC, LAT Committee Chair ______________________________________ Professor Kelley Henderson, M.Ed., LAT, ATC Committee Member The final copy of this independent research has been examined by the signatories, and we find that both the content and the form meet acceptable presentation standards of scholarly work in the above mentioned discipline. Submarine Pitchers Acknowledgements Mike and I would like to thank several people for helping us to complete our independent research project. First of all, we would like to thank the overwhelming support we have always received from our families and loved ones, including Kelly, Michael, Kyle, Kameron, Karson, and Kolby Mullaney, and Candice, Hannah, and Eva Klein. Also, we would like to thank Dr. Shawn Felton and Professor Kelley Henderson for always rapidly responding, being attentive to detail, showing immense patience, and working tirelessly to help us with this research. We would also like to thank Dr. Arie van Duijn for his contributions in terms of helping us learn and utilize the equipment needed for this project. Other faculty that aided in completing this study included Dr. -
OWNER's MANUAL Instructions JUGS Curveball Pitching Machine
OWNER’S MANUAL Instructions for the JUGS Curveball Pitching Machine Part No. Z7100 SAVE THIS MANUAL ATTENTION, Coaches and Operators of the JUGS Curveball Pitching machine: This manual must be kept with the pitching machine at ALL TIMES. Each coach and/or operator must read and understand the instructions in this manual BEFORE USING the JUGS Curveball Pitchng Machine. Call 1-800-547-6843 or 503-692-1635 if you need additional copies. Table of Contents Introduction ..............................................................................................2 Product Safety Signs and Labels ..........................................................3 Rules for Safe Operation ........................................................................5 Electrical...................................................................................................8 Terminology ...........................................................................................10 Unpacking .............................................................................................. 11 Set Up ..................................................................................................... 11 Transporting ...........................................................................................12 Operating Instructions ..........................................................................13 Speed Chart ...........................................................................................22 Fielding Practice ....................................................................................23 -
Baseball Media Guide, 2008
University of Arkansas, Fayetteville ScholarWorks@UARK Arkansas Baseball Athletics 2008 Baseball Media Guide, 2008 University of Arkansas, Fayetteville. Athletics Media Relations Follow this and additional works at: https://scholarworks.uark.edu/baseball Citation University of Arkansas, Fayetteville. Athletics Media Relations. (2008). Baseball Media Guide, 2008. Arkansas Baseball. Retrieved from https://scholarworks.uark.edu/baseball/1 This Periodical is brought to you for free and open access by the Athletics at ScholarWorks@UARK. It has been accepted for inclusion in Arkansas Baseball by an authorized administrator of ScholarWorks@UARK. For more information, please contact [email protected]. UNIVERSITY OF ARKANSAS BASEBALL 2008 2008 BASEBALL MEDIA GUIDE > Arkansas became the fi rst team in NCAA history to average more than 8,000 tickets sold per game (8,069) with a total of 266,270 tickets sold for the 33 home games in 2007. UA also set a new school record for actual attendance with 198,218 (6,007 per game) fans passing through the gates for the season. > The Hogs’ set single-game attendance records with 10,727 tickets sold and an actual attendance of 10,581 against LSU on May 5, 2007. UA also set the school and SEC three- game series attendance record with 30,564 tickets sold for the set with the Tigers from May 4-6, 2007. THE 2007 SEASON saw the > Baum Stadium hosted its fourth NCAA Regional in 2007 and the third in the past four years. Once again completion of the third renovation of Baum the regional was one of the best attended, leading all regionals with an average crowd of 6,452 over six games. -
SABR Baseball Biography Project | Society for American Baseball
THE ----.;..----- Baseball~Research JOURNAL Cy Seymour Bill Kirwin 3 Chronicling Gibby's Glory Dixie Tourangeau : 14 Series Vignettes Bob Bailey 19 Hack Wilson in 1930 Walt Wilson 27 Who Were the Real Sluggers? Alan W. Heaton and Eugene E. Heaton, Jr. 30 August Delight: Late 1929 Fun in St. Louis Roger A. Godin 38 Dexter Park Jane and Douglas Jacobs 41 Pitch Counts Daniel R. Levitt 46 The Essence of the Game: A Personal Memoir Michael V. Miranda 48 Gavy Cravath: Before the Babe Bill Swank 51 The 10,000 Careers of Nolan Ryan: Computer Study Joe D'Aniello 54 Hall of Famers Claimed off the Waiver List David G. Surdam 58 Baseball Club Continuity Mark Armour ~ 60 Home Run Baker Marty Payne 65 All~Century Team, Best Season Version Ted Farmer 73 Decade~by~Decade Leaders Scott Nelson 75 Turkey Mike Donlin Michael Betzold 80 The Baseball Index Ted Hathaway 84 The Fifties: Big Bang Era Paul L. Wysard 87 The Truth About Pete Rose :-.~~-.-;-;.-;~~~::~;~-;:.-;::::;::~-:-Phtltp-Sitler- 90 Hugh Bedient: 42 Ks in 23 Innings Greg Peterson 96 Player Movement Throughout Baseball History Brian Flaspohler 98 New "Production" Mark Kanter 102 The Balance of Power in Baseball Stuart Shapiro 105 Mark McGwire's 162 Bases on Balls in 1998 John F. Jarvis 107 Wait Till Next Year?: An Analysis Robert Saltzman 113 Expansion Effect Revisited Phil Nichols 118 Joe Wilhoit and Ken Guettler: Minors HR Champs Bob Rives 121 From A Researcher's Notebook Al Kermisch 126 Editor: Mark Alvarez THE BASEBALL RESEARCH JOURNAL (ISSN 0734-6891, ISBN 0-910137-82-X), Number 29. -
The Larva Races to Pupate Before the Rot Dries up Or Is Consumed by Other Larvae
Chapter 11. Metamorphosis at the Brink of Disaster “The larva races to pupate before the rot dries up or is consumed by other larvae. Pupation and consequent modifications in the imago [adult] remove the fly from the larval competitive arena.” - My ecology notes (1964) “… important achievements require a clear focus, all-out effort, and a bottomless trunk full of strategies.” - Carol S. Dweck (7) A Tale of Two Epiphanies When I was a kid, Dad told me I must work hard if I am to succeed as a pitcher. A lot of mindless throwing to the box would be insufficient. It would take mental work, too. Now it was time to think. Picture this: a pleasant mid-September afternoon in Tucson in 1964. A gentle hundred-degree breeze was wafting the heavy, petrolic scent of the greasewood across arid foothills. In the pallid desert sky a salivating buzzard‟s keen sense of history had set it to circling overhead. I stood on my mound, plopping the ball into my glove and staring at the target on the back of the box. Considering Billy Goodman‟s suggestion to try something new, I was hoping for a flash of inspiration or an inkling right then. At that moment my short-term and long-term memories kicked in, and dug up an epiphany. That morning I had read that, in insect metamorphosis, the pupa takes a brief break from competition to determine what kind of creature it‟s going to be and undertake construction. Once complete, the emerging winged adult will no longer have to compete with youngsters crawling around back at the old home – the bacterial slime flux. -
2017 Little League Baseball and Softball Rules Instruction Manual
LITTLE LEAGUE® BASEBALL AND SOFTBALL RULES INSTRUCTION MANUAL PREPARED FOR THE 2017 LITTLE LEAGUE UMPIRE SCHOOLS INCLUDES SUBSTANTIAL INFORMATION FROM THE FOLLOWING PUBLICATIONS: “2017 LITTLE LEAGUE BASEBALL® OFFICIAL REGULATIONS AND PLAYING RULES” “2017 LITTLE LEAGUE SOFTBALL® OFFICIAL REGULATIONS AND PLAYING RULES” “2017 LITTLE LEAGUE CHALLENGER DIVISION® OFFICIAL REGULATIONS AND PLAYING RULES” “THE RIGHT CALL - CASEBOOK OF LITTLE LEAGUE BASEBALL PREPARED BY LITTLE LEAGUE® INTERNATIONAL LITTLE LEAGUE® UNIVERSITY TRANSFORM THE WAY YOU TRAIN LITTLE LEAGUE VOLUNTEERS, ADMINISTRATORS, COACHES, AND PARENTS EXPERIENCE AND LEARN ABOUT THE LITTLE LEAGUE PROGRAM. Our free online training, LittleLeagueU.org , conntects visitors to engaging training videos and informative how-to articles, designed to educate users on the best practices for operating and enjoying a successful local Little League experience in your community. This easy-to-navigate portal features customized instruction, an assortment of practice plans, and interactive quizzes for everyone involved in Little League, including District Adminisatrators, League Presidents and local board members, umpires, coaches, and parents. UMPIRES • “Basic 6,” home plate and base mechanics • Positioning instruction for two-, three-, four-umpire crews • Situational case studies • Umpire-In-Chief recruitment, training, and evaluation • Best practices for pre-and post-game conferences 2017 RULES INSTRUCTION MANUAL TABLE OF CONTENTS OFFICIAL REGULATIONS 1 REGULATION I – THE LEAGUE 1 REGULATION III –