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Book Acute Effects of Antagonist Static Stretching on Vertical Jump Performance

Download or read book Acute Effects of Antagonist Static Stretching on Vertical Jump Performance written by Patrick W. Davidson and published by . This book was released on 2009 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: The purpose of the current study was to examine the acute effects of antagonist static stretching on vertical jump performance. Resistance trained males (N 31) participated in the study. Each subject performed four trials during each of static squat and countermovement (CMJ) vertical jumps during each session in this repeated measures design. Subjects jumped before treatment, immediately after treatment, at 5 mm post-treatment, and at 15 mm post- treatment. Subjects performed two sessions of testing, one featuring a static stretching treatment where the antagonist muscles for the vertical jump were stretched, the other a control. A significant (p .05) main effect was found for time, where all vertical jumps performed immediately after treatment and at 15 mm post-treatment were significantly (p

Book Acute Effects of Antagonist Stretching on Jump Height and Knee Extension Peak Torque

Download or read book Acute Effects of Antagonist Stretching on Jump Height and Knee Extension Peak Torque written by John B. Sandberg and published by . This book was released on 2011 with total page 61 pages. Available in PDF, EPUB and Kindle. Book excerpt: A great deal of research has shown decrements in force and power following static stretching. There has been little research investigating the acute effects of static stretching of the antagonist on the expression of strength and power. The purpose of this study was to investigate the effects of static stretching of the antagonist muscles on a variety of strength and power measures. Sixteen active males were tested for vertical jump height and isokinetic torque production in a slow knee extension (KES) at 60 [degrees]/s and a fast knee extension (KEF) at 300 [degrees]/s. Electromyography was taken during knee extension tests for the vastus lateralis and the biceps femoris muscles. Participants performed these tests in a randomized counterbalanced order with and without prior antagonist stretching. All variables for stretching and non-stretching treatments were compared using paired t tests at an alpha of .05. Paired samples t tests revealed a significant (p = .034) difference between stretch KEF and non-stretch KEF conditions. There was no significant (p> .05) difference between KES stretch and non-stretch conditions. Vertical jump height was significantly (p = .011) higher for the stretching treatment than the non-stretching treatment. Vertical jump power was also significantly higher (p = .005) in the stretch versus the non-stretch condition. Paired samples t test indicated no significant (p> .05) difference between testing conditions for electromyography, represented as a percentage of maximal voluntary contraction (MVC). These results suggest that stretching the antagonist hamstrings prior to high speed isokinetic knee extension increases torque production. It also demonstrated that stretching the hip flexors and dorsi flexors may enhance jump height and power. Practitioners may use this information to acutely enhance strength and power performances.

Book The Effects of Static Stretching on Vertical Jump Performance

Download or read book The Effects of Static Stretching on Vertical Jump Performance written by Tom Evans and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book The Acute Effects of a Static Stretch of the Hip Flexors on Vertical Jump Height

Download or read book The Acute Effects of a Static Stretch of the Hip Flexors on Vertical Jump Height written by Benjamin A. Baird and published by . This book was released on 2010 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The purpose of this study was to monitor the acute effect of a hip flexors stretch on vertical jump performance in NCAA Division II track and field athletes. The subjects who volunteered for this study were members of Bemidji State University men's and women's NCAA Division II track and field team with a mean age of 20.74 years. Subjects performed vertical jumps following a warm-up with and without a stretching routine. The stretching routine was a lunging hip flexors stretch held for two sets of 30 seconds for each leg. A General Linear Model (GLM) with repeated measure was used to determine significant interaction between routines and gender as well as a main effect for rountine. Results indicated no significant interaction between stretching and gender F(1,23)=2.048, p=0.167, and no main effect for stretching (M=113.91) and non-stretching (M=114.09) protocols for vertical jump, F(1,23=0.335, p=0.569. Results suggest that a static stretch of the hip flexors has no effect on vertical jump height on either gender"--Abstract.

Book Acute Effect of Static Stretching Duration of Vertical Jump Broad Jump and Leg Press Performance

Download or read book Acute Effect of Static Stretching Duration of Vertical Jump Broad Jump and Leg Press Performance written by Hardik H. Acharya and published by . This book was released on 2012 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: OBJECTIVE: To investigate the acute effects of static stretch and its durational (15s, 30s, 45s, and 60 seconds) effect on strength and power output activities by vertical jump and broad jump tests and on local muscle endurance by leg press (until failure) test. SUBJECTS: Total twelve (n=12; male-9, female-3) (mean age 25 ± 2.52 years) healthy, untrained, recreationally active students volunteered to participate in this study. STUDY DESIGN: All individuals visited the laboratory for seven times, and all these visits were separated with a minimum gap of one week. After a brief orientation of all testing procedures in first three visits, their 1 RM and baseline measurements were conducted for vertical jump, broad jump, and leg press tests. For leg press test (until failure) 60% of the measured 1 RM was used to measure local muscle endurance. On following visits, using a Latin square randomized procedure, one of the static stretch durational protocols was performed prior to the test. The static stretch consisted of four different exercises. MEASUREMENT: After each duration (15s, 30s, 45s, and 60 seconds) of static stretch, subjects performed the vertical jump, broad jump, and leg press test. RESULTS: Data analysis consisted of descriptive statistics and the dependent sample t test which revealed that there was no statistically significant (p

Book Introduction to Surface Electromyography

Download or read book Introduction to Surface Electromyography written by Jeffrey R. Cram and published by . This book was released on 1998 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: Surface EMG is a popular tool used by physical therapists, occupational therapists, and chiropractors in both assessing and treating a wide range of neuromusculoskeletal disorders. This book provides the basics of surface EMG. It addresses such questions as what is EMG? Why use surface EMG? When and how is it used? Featuring a complete Atlas for Electrode Placement, the book introduces electrode placement strategies for various disorders, understanding and interpreting the surface EMG signal, and basic formulations for treatment strategies. Each chapter includes clinical examples to orient the practitioner to surface EMG's potential use.

Book Effects of Acute Stretching on Vertical Jump Performance

Download or read book Effects of Acute Stretching on Vertical Jump Performance written by Glenn L. Akins (Jr.) and published by . This book was released on 2001 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book The Science and Physiology of Flexibility and Stretching

Download or read book The Science and Physiology of Flexibility and Stretching written by David Behm and published by Routledge. This book was released on 2018-11-01 with total page 239 pages. Available in PDF, EPUB and Kindle. Book excerpt: Stretching is a fundamentally important part of sport and exercise, playing a role in improving performance, and preventing injury and rehabilitation, but its scientific underpinnings have, to this point, been overlooked in book publishing. The Science and Physiology of Flexibility and Stretching is the most up-to-date and comprehensive book to cover the underlying physiology and psychology of stretching, critically assessing why, when, and how we should stretch, as well as offering a highly illustrated, practical guide to stretching exercises. Placing stretching in the context of both health and performance, the first section of the book sets out the science behind stretching, critically assessing the benefits, disadvantages, and roles of different types of stretching, exploring the mechanisms behind increasing range-of-movement through stretching and other methods, and offering evidence-based guidance on building stretching into warm-ups. In its second section, the book provides a step-by-step guide to static, dynamic, and PRF stretching exercises for beginners, through recreational athletes, to elite performers. Richly illustrated, and including an online resource, The Science and Physiology of Flexibility and Stretching provides an important scientific enquiry into stretching, and an invaluable reference for any strength and conditioning coach or student, personal trainer, sports coach, or exercise scientist.

Book An Acute Bout of Static Stretching

Download or read book An Acute Bout of Static Stretching written by Kevin Edward Power and published by . This book was released on 2003 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book The Complete Guide to Stretching

Download or read book The Complete Guide to Stretching written by Christopher M. Norris and published by Bloomsbury Publishing. This book was released on 2015-11-05 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: A reasonable level of flexibility is essential to the healthy functioning of joints and muscles, which in turn facilitates performance and reduces the risk of injury. Now in its 4th edition, The Complete Guide to Stretching provides an accessible overview of the scientific principles that underpin this form of training and offers more than 70 exercises designed to safely increase range of motion right across the body. The Complete Guide to Stretching is the definitive practical handbook for: - Sports participants and recreational exercisers who are keen to achieve a level of flexibility that will enhance their performance - Sports coaches and fitness instructors who are seeking a thorough understanding of the principles and practice of this often neglected component of physical fitness - Sport and exercise therapists who use stretching as an important part of a balanced rehabilitation programme Full colour photographs demonstrate the stretches throughout.

Book Essentials of Strength Training and Conditioning

Download or read book Essentials of Strength Training and Conditioning written by Thomas R. Baechle and published by Human Kinetics. This book was released on 2008 with total page 660 pages. Available in PDF, EPUB and Kindle. Book excerpt: Now in its third edition, Essentials of Strength Training and Conditioningis the most comprehensive reference available for strength and conditioning professionals. In this text, 30 expert contributors explore the scientific principles, concepts, and theories of strength training and conditioning as well as their applications to athletic performance. Essentials of Strength Training and Conditioningis the most-preferred preparation text for the Certified Strength and Conditioning Specialist (CSCS) exam. The research-based approach, extensive exercise technique section, and unbeatable accuracy of Essentials of Strength Training and Conditioningmake it the text readers have come to rely on for CSCS exam preparation. The third edition presents the most current strength training and conditioning research and applications in a logical format designed for increased retention of key concepts. The text is organized into five sections. The first three sections provide a theoretical framework for application in section 4, the program design portion of the book. The final section offers practical strategies for administration and management of strength and conditioning facilities. -Section 1 (chapters 1 through 10) presents key topics and current research in exercise physiology, biochemistry, anatomy, biomechanics, endocrinology, sport nutrition, and sport psychology and discusses applications for the design of safe and effective strength and conditioning programs. -Section 2 (chapters 11 and 12) discusses testing and evaluation, including the principles of test selection and administration as well as the scoring and interpretation of results. -Section 3 (chapters 13 and 14) provides techniques for warm-up, stretching, and resistance training exercises. For each exercise, accompanying photos and instructions guide readers in the correct execution and teaching of stretching and resistance training exercises. This section also includes a set of eight new dynamic stretching exercises. -Section 4 examines the design of strength training and conditioning programs. The information is divided into three parts: anaerobic exercise prescription (chapters 15 through 17), aerobic endurance exercise prescription (chapter 18), and periodization and rehabilitation (chapters 19 and 20). Step-by-step guidelines for designing resistance, plyometric, speed, agility, and aerobic endurance training programs are shared. Section 4 also includes detailed descriptions of how principles of program design and periodization can be applied to athletes of various sports and experience levels. Within the text, special sidebars illustrate how program design variables can be applied to help athletes attain specific training goals. -Section 5 (chapters 21 and 22) addresses organization and administration concerns of the strength training and conditioning facility manager, including facility design, scheduling, policies and procedures, maintenance, and risk management. Chapter objectives, key points, key terms, and self-study questions provide a structure to help readers organize and conceptualize the information. Unique application sidebars demonstrate how scientific facts can be translated into principles that assist athletes in their strength training and conditioning goals. Essentials of Strength Training and Conditioningalso offers new lecture preparation materials. A product specific Web site includes new student lab activities that instructors can assign to students. Students can visit this Web site to print the forms and charts for completing lab activities, or they can complete the activities electronically and email their results to the instructor. The instructor guide provides a course description and schedule, chapter objectives and outlines, chapter-specific Web sites and additional resources, definitions of primary key terms, application questions with recommended answers, and links to the lab activities. The presentation package and image bank, delivered in Microsoft PowerPoint, offers instructors a presentation package containing over 1,000 slides to help augment lectures and class discussions. In addition to outlines and key points, the resource also contains over 450 figures, tables, and photos from the textbook, which can be used as an image bank by instructors who need to customize their own presentations. Easy-to-follow instructions help guide instructors on how to reuse the images within their own PowerPoint templates. These tools can be downloaded online and are free to instructors who adopt the text for use in their courses. Essentials of Strength Training and Conditioning, Third Edition,provides the latest and most comprehensive information on the structure and function of body systems, training adaptations, testing and evaluation, exercise techniques, program design, and organization and administration of facilities. Its accuracy and reliability make it not only the leading preparation resource for the CSCS exam but also the definitive reference that strength and conditioning professionals and sports medicine specialists depend on to fine-tune their practice.

Book The Acute Effects of Dynamic and Ballistic Stretching on Vertical Jump Height Force and Power

Download or read book The Acute Effects of Dynamic and Ballistic Stretching on Vertical Jump Height Force and Power written by Jason Reed Jaggers and published by . This book was released on 2006 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this study was to compare the differences between 2 sets of ballistic stretching and 2 sets of a dynamic stretching routine on vertical jump performance. The intraclass reliability coefficients for maximum jump height, force, and power were also assessed using the Kistler Quattro Jump ® force plate. Methods. Ten healthy male college students, ages 22 to 34 years, volunteered to participate in this study. All subjects completed three individual testing sessions on three non-consecutive days. On each day the subjects completed one of three treatments (no stretch, ballistic stretch, and dynamic stretch). A paired samples t-test was used to test the effects of ballistic and dynamic stretching, respectively, on jumping height, force, and power performance scores. Hoyt's analysis of variance model, (MSs-MSi)/MSs, was used to estimate the reliability coefficients on jumping performance scores across three different trials. Results. A paired samples t-test documented that there were no statistical differences in jumping height, force, or power between no stretch and ballistic stretch, and between no stretch and dynamic stretch. The intraclass reliability coefficients were >.99 for jumping height, >0.94 for jumping force, and >.99 for jumping power. Conclusion. Both ballistic and dynamic stretching showed nonsignificant effects on vertical jumping performance in college male students, but the reliability coefficients were very high to measure jumping height, force, and power using the Kistler Quattro Jump ® force plate.