Download or read book The Relationship Between Executed Cutting Angle and Sex leg Preference Interaction with Lower Extremity Joint Angles During Unanticipated Sidestep Cutting in Soccer Players written by Harry Brown and published by . This book was released on 2021 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: "Introduction: Effects of intended cutting angle (e.g., 30 ̊, 45 ̊, 90 ̊) on kinematics are well established. Studies have typically controlled for cut angle by omitting trials if a participant cuts more than 10 ̊ from the intended angle. However, the actual angle which the participant cuts to (i.e., executed cut angle, ECA) has rarely been measured and sufficiently controlled for. Understanding relationships between ECA and commonly measured biomechanical variables are necessary, as it may affect interpretation of previous results.Additionally, epidemiological research suggests an interaction effect whereby females are more likely to injure the anterior cruciate ligament of their non-preferred leg during non-contact circumstances. Understanding interaction effects of sex and leg preference in kinematics related to anterior cruciate ligament (ACL) injuries during cutting may offer explanation for such a phenomenon, given that cutting is a major source of such injuries in some sports. Objectives: 1a) To compare entry speed and ECA between sex and leg preference during unanticipated sidestep cutting in soccer players. 1b) To determine the relationships between ECA with peak hip and knee joint angles during unanticipated sidestep cutting in soccer players. 2) To determine if an interaction effect exists between sex and leg preference on peak hip and knee angles during unanticipated sidestep cutting in soccer players.Methods: 21 adolescent and adult male and female soccer players completed unanticipated running sidestep cuts to a prescribed 45 ̊ in both directions. Lower limb kinematics were attained via 3D motion capture. Hip and knee joint angles were calculated using a joint coordinate system, and peak angles were identified during the stance phase of cutting. Hierarchical linear modeling established relationships between peak hip/knee angles and ECA/ entry speed. Analysis of variances compared ECA between sex and leg preference. Interaction effects of sex and leg preference on peak hip/knee angles were analysed during the hierarchical linear modelling. Results: Higher ECAs were related to decreased knee flexion and valgus (i.e., more varus), and increased hip flexion and internal rotation (p range =

Download or read book The Association of Age and Sex with Biomechanical Variables During the Side step Cutting Technique in Soccer Players written by Yuri Lopes Lima and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: "Soccer has a high number of knee ligament ruptures. Sex and age are factors that have an impact on these injuries. One possible reason is that females have harmful movement patterns compared to males during activities such as cutting while running. The literature still lacks studies examining the influence of age on these movements. Therefore, research is needed to determine if sex and age have an impact on the movement patterns of soccer players. The primary objective of this study was to examine if sex and age impact the joint angles and inter-joint coordination during an unanticipated cutting task in soccer players. A secondary objective compared the strength, jump performance and dynamic balance of male and female soccer players of different age groups. The study recruited healthy soccer players of different age groups. This included 11 adolescents (five males, six females) and 11 adults (seven males, four females). A 12-camera three-dimensional motion capture system recorded joint angles while participants performed an unanticipated side-step cutting task. A hand-held dynamometer measured muscle torques. Hop tests measured jump performance and the modified Star Excursion Balance Test measured dynamic balance. Principal component analysis (PCA) identified differences in joint angles. Adult males presented greater changes in hip flexion at pre-contact compared to stance/take-off than adolescent males and adult females had lower changes than adolescent females. Females had lower changes in hip flexion, and lower hip abduction and ankle inversion angles. Adolescents had greater hip internal rotation and knee flexion angles, but lower changes in knee flexion angles at pre-contact compared to stance/take-off. For inter-joint coordination, females had a more out-of-phase pattern than males in the foot/shank segment in sagittal plane. In regard to clinical measures we observed a few differences in knee extensor torque and balance, with adolescents exhibiting better results. Clinicians and coaches should be aware that these characteristics might impair performance and increase injury risk"--

Download or read book Understanding and Preventing Noncontact ACL Injuries written by American Orthopaedic Society for Sports Medicine and published by Human Kinetics Publishers. This book was released on 2007 with total page 315 pages. Available in PDF, EPUB and Kindle. Book excerpt: Grade level: 11, 12, i, s, t.

Download or read book Football Biomechanics written by Hiroyuki Nunome and published by Routledge. This book was released on 2017-10-31 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: Football Biomechanics explores the latest knowledge of this core discipline in sport science across all codes of the sport. Encompassing a variety of styles, including original scientific studies, syntheses of the latest research, and position statements, the text offers readers the most up-to-date and comprehensive reference of the underlying mechanics of high-level football performance. The book is divided into five parts, covering fundamental football actions, the biomechanics of direct free kicks, footwear, biomechanical considerations in skill acquisition and training, and artificial turf. It bridges the gap between theory and practice in a variety of key areas such as: ball kicking mechanics (in soccer and other football codes) ball impact dynamics aerodynamics of ball flight special techniques (such as the ‘knuckle ball shot’) by world-famous players the efficacy and development of footwear biomechanical and motor performance differences between female and male soccer players artificial turf from an injury and a performance perspective. Made up of contributions from leading experts from around the world, Football Biomechanics is a vital resource for researchers and practitioners working in all football codes, and useful applied reading for any sport science student with an interest in football.

Download or read book Science Theory and Clinical Application in Orthopaedic Manual Physical Therapy Applied Science and Theory written by Ola Grimsby and published by Lulu.com. This book was released on 2008-09-16 with total page 558 pages. Available in PDF, EPUB and Kindle. Book excerpt: This long awaited textbook from The Ola Grimsby Institute provides decades of clinical experience and reasoning, with both historical and current evidence, with rationale for both passive and active treatments in orthopaedic manual therapy. Practical guidelines for joint mobilization and exercise rehabilitation are presented with this logical and exciting work. Incorporating experience and science, this book provides new approaches and treatment principles to make what you already do more effective. Extensive Content: Over 535 pages and 275 illustrations, photographs and tables Ola Grimsby and his co-authors have compiled a significant resource for the practicing physical therapist, manual therapist or osteopath.

Download or read book Performance Assessment in Strength and Conditioning written by Paul Comfort and published by Routledge. This book was released on 2018-10-09 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is an essential skill for any strength and conditioning coach to be able to reliably assess the physical performance of their athletes and communicate the results and their implications to performers and coaches, alike. Performance Assessment in Strength and Conditioning is the first textbook to clearly and coherently suggest the most appropriate and reliable methods for assessing and monitoring athletes’ performance, as well as including detailed sections on testing considerations and the interpretation and application of results. The book explores the full range of considerations required to reliably assess performance, including questions of ethics and safety, reliability and validity, and standardised testing, before going on to recommend (through a comparison of field- and laboratory-based techniques) the optimal methods for testing all aspects of physical performance, including: injury risk jump performance sprint performance change of direction and agility strength power aerobic performance body composition Closing with a section on interpreting, presenting and applying results to practice, and illustrated with real-life case study data throughout, Performance Assessment in Strength and Conditioning offers the most useful guide to monitoring athlete performance available. It is an essential text for upper-level strength and conditioning students and practitioners alike.

Download or read book Basketball Sports Medicine and Science written by Lior Laver and published by Springer Nature. This book was released on 2020-10-05 with total page 1018 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is designed as a comprehensive educational resource not only for basketball medical caregivers and scientists but for all basketball personnel. Written by a multidisciplinary team of leading experts in their fields, it provides information and guidance on injury prevention, injury management, and rehabilitation for physicians, physical therapists, athletic trainers, rehabilitation specialists, conditioning trainers, and coaches. All commonly encountered injuries and a variety of situations and scenarios specific to basketball are covered with the aid of more than 200 color photos and illustrations. Basketball Sports Medicine and Science is published in collaboration with ESSKA and will represent a superb, comprehensive educational resource. It is further hoped that the book will serve as a link between the different disciplines and modalities involved in basketball care, creating a common language and improving communication within the team staff and environment.

Download or read book ACL Injuries in Female Athletes written by Robin West and published by Elsevier Health Sciences. This book was released on 2018-12-07 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: This easy-to-read reference presents a succinct overview of clinically-focused topics covering the prevention, treatment, and rehabilitation of ACL injuries in the female athlete. Written by two professional team physicians, it provides practical, focused information for orthopaedic and sports medicine surgeons and physicians. Covers ACL injury risk factors and prevention, including biomechanics, biology, and anatomy of the female athlete. Discusses graft choices, the biology of healing, rehabilitation and return to play, future options for treatment, and more. Addresses special considerations such as pediatric ACL and revision ACL. Consolidates today’s available information and experience in this timely area into one convenient resource.

Download or read book High Performance Training for Sports written by David Joyce and published by Human Kinetics. This book was released on 2014-06-09 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: High-Performance Training for Sports changes the landscape of athletic conditioning and sports performance. This groundbreaking work presents the latest and most effective philosophies, protocols and programmes for developing today’s athletes. High-Performance Training for Sports features contributions from global leaders in athletic performance training, coaching and rehabilitation. Experts share the cutting-edge knowledge and techniques they’ve used with Olympians as well as top athletes and teams from the NBA, NFL, MLB, English Premier League, Tour de France and International Rugby. Combining the latest science and research with proven training protocols, High-Performance Training for Sports will guide you in these areas: • Optimise the effectiveness of cross-training. • Translate strength into speed. • Increase aerobic capacity and generate anaerobic power. • Maintain peak conditioning throughout the season. • Minimise the interference effect. • Design energy-specific performance programmes. Whether you are working with high-performance athletes of all ages or with those recovering from injury, High-Performance Training for Sports is the definitive guide for developing all aspects of athletic performance. It is a must-own guide for any serious strength and conditioning coach, trainer, rehabilitator or athlete.

Download or read book Capital as Power written by Jonathan Nitzan and published by Routledge. This book was released on 2009-06-02 with total page 853 pages. Available in PDF, EPUB and Kindle. Book excerpt: Conventional theories of capitalism are mired in a deep crisis: after centuries of debate, they are still unable to tell us what capital is. Liberals and Marxists both think of capital as an ‘economic’ entity that they count in universal units of ‘utils’ or ‘abstract labour’, respectively. But these units are totally fictitious. Nobody has ever been able to observe or measure them, and for a good reason: they don’t exist. Since liberalism and Marxism depend on these non-existing units, their theories hang in suspension. They cannot explain the process that matters most – the accumulation of capital. This book offers a radical alternative. According to the authors, capital is not a narrow economic entity, but a symbolic quantification of power. It has little to do with utility or abstract labour, and it extends far beyond machines and production lines. Capital, the authors claim, represents the organized power of dominant capital groups to reshape – or creorder – their society. Written in simple language, accessible to lay readers and experts alike, the book develops a novel political economy. It takes the reader through the history, assumptions and limitations of mainstream economics and its associated theories of politics. It examines the evolution of Marxist thinking on accumulation and the state. And it articulates an innovative theory of ‘capital as power’ and a new history of the ‘capitalist mode of power’.

Download or read book The 71F Advantage written by National Defense University Press and published by NDU Press. This book was released on 2010-09 with total page 529 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes a foreword by Major General David A. Rubenstein. From the editor: "71F, or "71 Foxtrot," is the AOC (area of concentration) code assigned by the U.S. Army to the specialty of Research Psychology. Qualifying as an Army research psychologist requires, first of all, a Ph.D. from a research (not clinical) intensive graduate psychology program. Due to their advanced education, research psychologists receive a direct commission as Army officers in the Medical Service Corps at the rank of captain. In terms of numbers, the 71F AOC is a small one, with only 25 to 30 officers serving in any given year. However, the 71F impact is much bigger than this small cadre suggests. Army research psychologists apply their extensive training and expertise in the science of psychology and social behavior toward understanding, preserving, and enhancing the health, well being, morale, and performance of Soldiers and military families. As is clear throughout the pages of this book, they do this in many ways and in many areas, but always with a scientific approach. This is the 71F advantage: applying the science of psychology to understand the human dimension, and developing programs, policies, and products to benefit the person in military operations. This book grew out of the April 2008 biennial conference of U.S. Army Research Psychologists, held in Bethesda, Maryland. This meeting was to be my last as Consultant to the Surgeon General for Research Psychology, and I thought it would be a good idea to publish proceedings, which had not been done before. As Consultant, I'd often wished for such a document to help explain to people what it is that Army Research Psychologists "do for a living." In addition to our core group of 71Fs, at the Bethesda 2008 meeting we had several brand-new members, and a number of distinguished retirees, the "grey-beards" of the 71F clan. Together with longtime 71F colleagues Ross Pastel and Mark Vaitkus, I also saw an unusual opportunity to capture some of the history of the Army Research Psychology specialty while providing a representative sample of current 71F research and activities. It seemed to us especially important to do this at a time when the operational demands on the Army and the total force were reaching unprecedented levels, with no sign of easing, and with the Army in turn relying more heavily on research psychology to inform its programs for protecting the health, well being, and performance of Soldiers and their families."

Download or read book No Logo written by Naomi Klein and published by Macmillan. This book was released on 2000-01-15 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: "What corporations fear most are consumers who ask questions. Naomi Klein offers us the arguments with which to take on the superbrands." Billy Bragg from the bookjacket.

Download or read book Return to Play in Football written by Volker Musahl and published by Springer. This book was released on 2018-03-16 with total page 965 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book, leading experts employ an evidence-based approach to provide clear practical guidance on the important question of when and how to facilitate return to play after some of the most common injuries encountered in football. Detailed attention is paid to biomechanics, the female athlete, risk factors, injury prevention, current strategies and criteria for safe return to play, and future developments. Specific topics discussed in depth include concussion, anterior cruciate ligament and other knee injuries, back pathology, rotator cuff tears, shoulder instability, hip arthroscopy, and foot and ankle injuries. The chapter authors include renowned clinicians and scientists from across the world who work in the field of orthopaedics and sports medicine. Furthermore, experiences from team physicians involved in the Olympics, National Football League (NFL), Union of European Football Associations (UEFA), and Fédération Internationale de Football Association (FIFA) are shared with the reader. All who are involved in the care of injured footballers will find this book, published in cooperation with ESSKA, to be an invaluable, comprehensive, and up-to-date reference that casts light on a range of controversial issues.

Download or read book Prevention of Noncontact ACL Injuries written by Letha Y. Griffin and published by Academy. This book was released on 2001 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: This important work will help you understand: the epidemiology of noncontact ACL injuries; risk factors for injuries; the "at-risk" athlete; neuromuscular prevention programs; their influence on injury rates. Supported by the American Orthopaedic Society for Sports Medicine, the National Athletic Trainers Association Research and Education Foundation, the National Collegiate Athletic Association, and the Orthopaedic Research and Education Foundation.

Download or read book The Social Psychology of Communication written by D. Hook and published by Springer. This book was released on 2016-04-30 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first comprehensive text on social psychological approaches to communication, providing an excellent introduction to theoretical perspectives, special topics, and applied areas and practice in communication. Bringing together scholars of international reputation, this book provides a unique contribution to the field.

Download or read book Science and Football VI written by Thomas Reilly and published by Routledge. This book was released on 2008-08-19 with total page 521 pages. Available in PDF, EPUB and Kindle. Book excerpt: Papers presented to the sixth world congress of science and football, Antayla, Turkey, 15-20th January, 2007.

Download or read book Personhood and Health Care written by David C. Thomasma and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 441 pages. Available in PDF, EPUB and Kindle. Book excerpt: PERSONHOOD AND HEALTH CARE This book arose as a result of a pre-conference devoted to the topic held June 28, 1999 in Paris, France. The pre-conference preceded the Annual Congress of the International Academy ofLaw and Mental Health. Other chapters were solicited after the conference in order to more completely explore the relation of personhood to health care. The pre conference was held in honor of Yves Pelicier who led so many of our French colleagues in medicine, philosophy, and ethics as Christian Herve notes in his Tribute. As health care is aimed at healing persons, it is important to realize how difficult it is to construct a theory of personhood for health care, and thus, a theory of how healing in health care comes about or ought to occur. The book is divided into four parts, Concepts of the Person, Theories of Personhood in Relation to Health Care and Bioethics, Person and Identity, and Personhood and Hs Relations. Each section explores a critical arena in constructing the relation of personhood to health care. Although no exploration ofthis nature can be exhaustive, every effort was made to present both conflicting and complementary views of personhood from within similar and different philosophical and religious traditions. PART ONE: CONCEPTS OF THE PERSON Tracing the origins of the concept of person from antiquity through present day, Jean Delemeau provides an historical sketch of the development of a wide range of meanings.