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Sports Biomechanics

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https://www.readbyqxmd.com/read/29141500/considerations-for-the-use-of-functional-principal-components-analysis-in-sports-biomechanics-examples-from-on-water-rowing
#1
John Warmenhoven, Stephen Cobley, Conny Draper, Andrew Harrison, Norma Bargary, Richard Smith
The proliferation of new biomechanical technology in laboratory and field settings facilitates the capture of data-sets consisting of complex time-series. An understanding of the appropriate statistical approaches for analysing and interpreting these data-sets is required and the functional data analysis (FDA) family of statistical techniques has emerged in the biomechanical literature. Given the use of FDA is currently in its infancy with biomechanical data, this paper will form the first of a two part series aiming to address practical issues surrounding the application of FDA techniques in biomechanics...
November 15, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/29135636/track-and-field-throwing-sports-injuries-and-prevention
#2
Adele Meron, Deborah Saint-Phard
Throwing events in track and field are among the oldest sporting events in recorded history and include shot put, discus, hammer, and javelin. All throwing athletes use the kinetic chain to transfer energy from the lower extremities, through the pelvis, trunk, shoulder, arm, wrist, hand, and finally into the implement to generate maximum force. Throughout this sequential activation, mobilization, and stabilization of body segments, there is opportunity for breakdown in the chain, which can lead to injury. This review describes the biomechanics and kinetic chain components of each event and highlights injuries common among all throwers as well as injuries unique to each event...
November 2017: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/29129137/citation-metrics-of-excellence-in-sports-biomechanics-research
#3
Duane Knudson
This study extended research on key citation metrics of winners of two career scholar awards in sports biomechanics. Google Scholar (GS) was searched using Harzing's Publish or Perish software for the 13 most recent winners of the ISBS Geoffrey Dyson Award and the ASB Jim Hay Memorial Award. Returned records were corrected for author, and publications excluded for all but peer-reviewed journal articles, proceedings articles, chapters and books in English. These recent award winners had published about 150 publications that had been cited typically 4,082 and 6,648 times over a 26- and 28-year period before receiving these career awards for sports biomechanics research...
November 13, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/29125036/bivariate-functional-principal-components-analysis-considerations-for-use-with-multivariate-movement-signatures-in-sports-biomechanics
#4
John Warmenhoven, Stephen Cobley, Conny Draper, Andrew Harrison, Norma Bargary, Richard Smith
Sporting performance is often investigated through graphical observation of key technical variables that are representative of whole movements. The presence of differences between athletes in such variables has led to terms such as movement signatures being used. These signatures can be multivariate (multiple time-series observed concurrently), and also be composed of variables measured relative to different scales. Analytical techniques from areas of statistics such as Functional Data Analysis (FDA) present a practical alternative for analysing multivariate signatures...
November 10, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/29123919/t2-mapping-and-post-contrast-t1-dgemric-of-the-patellar-cartilage-12-year-follow-up-after-patellar-stabilizing-surgery-in-childhood
#5
Eva Bengtsson Moström, Eveliina Lammentausta, Thröstur Finnbogason, Lars Weidenhielm, Per-Mats Janarv, Carl Johan Tiderius
Background: Cartilage degeneration has been reported after recurrent patellar dislocation. However, effects of surgical stabilization in childhood have not yet been described. Purpose: To examine the cartilage quality in very young adults operated with a patellar stabilizing procedure due to recurrent patellar dislocation in childhood, and evaluate if cartilage quality correlates with clinical parameters and patient-reported outcomes. Material and Methods: Seventeen patients were investigated ≥ 5 years (mean = 11...
October 2017: Acta Radiologica Open
https://www.readbyqxmd.com/read/29119862/static-and-dynamic-accuracy-of-a-magnetic-inertial-measurement-unit-used-to-provide-racket-swing-kinematics
#6
Benjamin Kane Williams, Ross H Sanders, Joong Hyun Ryu, Pitre C Bourdon, Philip Graham-Smith, Peter J Sinclair
Magnetic-inertial measurement units (MIMUs) are becoming more prevalent in sports biomechanics and may be a viable tool to evaluate kinematic parameters. This study examined the accuracy of a MIMU to estimate orientation angles under static conditions and dynamically from a squash racket during a forehand drive shot. A MIMU was mounted onto a goniometer and moved through 0-90°, with static data collected at 10° increments during 10 repetitions of all three axes. Typical error analyses showed the MIMU to be very reliable (TE ≤ 0...
November 9, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/29114563/risk-factors-for-lower-extremity-overuse-injuries-in-female-youth-soccer-players
#7
John W O'Kane, Moni Neradilek, Nayak Polissar, Lori Sabado, Allan Tencer, Melissa A Schiff
Background: Youth soccer injuries are common and of increasing concern, with sport specialization occurring at younger ages. Limited research is available regarding overuse injuries and risk factors in young female athletes. Purpose: To identify the number and rate of overuse injuries in female soccer players (ages 12-15 years), describe the anatomic location and type of injury, and evaluate contributing risk factors. Study Design: Case-control study; Level of evidence, 3...
October 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29113569/physical-therapy-rehabilitation-of-an-adolescent-pre-professional-dancer-following-os-trigonum-excision-a-case-report
#8
Alyson Filipa, Kelli Barton
Study Design Case report. Background An os trigonum can be a source of pain for dancers due to impingement during repetitive ankle plantarflexion movements. Following excision of an os trigonum, it is important to have a gradual, progressive return-to-dance program for optimal recovery. The purpose of this case report is to describe the post-operative management and return-to-dance progression of an adolescent dancer status post os trigonum excision. Case Description An adolescent pre-professional female dancer had an extensive history of left posterior heel pain beginning at age eight that led to surgical removal of an os trigonum at age fifteen...
November 7, 2017: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/29098981/what-is-the-definition-of-sports-related-concussion-a-systematic-review
#9
REVIEW
Paul McCrory, Nina Feddermann-Demont, Jiří Dvořák, J David Cassidy, Andrew McIntosh, Pieter E Vos, Ruben J Echemendia, Willem Meeuwisse, Alexander A Tarnutzer
OBJECTIVES: Various definitions for concussion have been proposed, each having its strengths and weaknesses. We reviewed and compared current definitions and identified criteria necessary for an operational definition of sports-related concussion (SRC) in preparation of the 5th Concussion Consensus Conference (Berlin, Germany). We also assessed the role of biomechanical studies in informing an operational definition of SRC. DESIGN: This is a systematic literature review...
June 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29065674/two-segment-foot-model-for-the-biomechanical-analysis-of-squat
#10
E Panero, L Gastaldi, W Rapp
Squat exercise is acquiring interest in many fields, due to its benefits in improving health and its biomechanical similarities to a wide range of sport motions and the recruitment of many body segments in a single maneuver. Several researches had examined considerable biomechanical aspects of lower limbs during squat, but not without limitations. The main goal of this study focuses on the analysis of the foot contribution during a partial body weight squat, using a two-segment foot model that considers separately the forefoot and the hindfoot...
2017: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29065078/biomechanical-differences-of-multidirectional-jump-landings-among-female-basketball-and-soccer-players
#11
Jeffrey B Taylor, Kevin R Ford, Randy J Schmitz, Scott E Ross, Terry A Ackerman, Sandra J Shultz
Taylor, JB, Ford, KR, Schmitz, RJ, Ross, SE, Ackerman, TA, and Shultz, SJ. Biomechanical differences of multidirectional jump landings among female basketball and soccer players. J Strength Cond Res 31(11): 3034-3045, 2017-Anterior cruciate ligament (ACL) injury prevention programs are less successful in basketball than soccer and may be due to distinct movement strategies that these athletes develop from sport-specific training. The purpose of this study was to identify biomechanical differences between female basketball and soccer players during multidirectional jump landings...
November 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29059829/development-of-a-wearable-plantar-force-measurement-device-for-gait-analysis-in-remote-conditions
#12
Rawnak Hamid, Suharshani Wijesundara, Lachlan McMillan, David Scott, Jean-Michel Redoute, Peter R Ebeling, Mehmet Rasit Yuce
The pressure field that exists between the foot and the supporting surface is identified as the foot plantar pressure. The information obtained from foot plantar pressure measurements has useful applications that include diagnosis of gait disturbances, optimization of footwear design, sport biomechanics and prevention of injury. Using wearable technology to measure foot plantar pressure continuously allows the collection of comprehensive real-life data sets while interfering minimally with the subject's daily activities...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/29035979/effect-of-a-commercially-available-footwear-insole-on-biomechanical-variables-associated-with-common-running-injuries
#13
Ryan T Lewinson, Darren J Stefanyshyn
OBJECTIVE: To determine whether Dr. Scholl's Active Series (DSAS) footwear insoles alter biomechanical variables associated with running injuries. DESIGN: Randomized, controlled experiment. SETTING: Sport medicine and biomechanics gait analysis laboratory. PARTICIPANTS: Fifteen healthy adults. INTERVENTIONS: The control condition was the participant's own athletic footwear. The experimental condition was the participant's own athletic footwear plus a DSAS insole...
October 10, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/29018907/mri-sport-specific-pulley-imaging
#14
Michael N Hoff, Todd D Greenberg
OBJECTIVE: We aim to create a novel MRI methodology that employs sport-specific stress views for imaging finger pulley injuries in the evaluation of post-operative healing effectiveness. The goal is to measure the bone to tendon distance (BTD), which is the current standard for determining pulley injuries. MATERIALS AND METHODS: The athlete was imaged in a crimp-grip stressed position to emulate sport-specific biomechanics. A Gradient Echo technique was modified to maximize the signal to noise ratio and minimize distortion near the bone and tendon, simplifying the determination of the BTD...
October 10, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28972820/injuries-in-cricket
#15
Dinshaw N Pardiwala, Nandan N Rao, Ankit V Varshney
CONTEXT: Cricket is a popular global sport that requires a combination of physical fitness, skill, and strategy. Although a noncontact sport, overuse and impact injuries are common since players engage in a wide range of physical activities, including running, throwing, batting, bowling, catching, and diving. Significant or match time-loss injuries are defined as those that either prevent a player from being fully available for selection in a major match, or during a major match, cause a player to be unable to bat, bowl, or keep wicket when required by either the rules or the team's captain...
September 1, 2017: Sports Health
https://www.readbyqxmd.com/read/28972789/a-prospective-evaluation-of-femoral-tunnel-placement-for-anatomic-anterior-cruciate-ligament-reconstruction-using-3-dimensional-magnetic-resonance-imaging
#16
Adam Hart, Thiru Sivakumaran, Mark Burman, Tom Powell, Paul A Martineau
BACKGROUND: The recent emphasis on anatomic reconstruction of the anterior cruciate ligament (ACL) is well supported by clinical and biomechanical research. Unfortunately, the location of the native femoral footprint can be difficult to see at the time of surgery, and the accuracy of current techniques to perform anatomic reconstruction is unclear. PURPOSE: To use 3-dimensional magnetic resonance imaging (3D MRI) to prospectively evaluate patients with torn ACLs before and after reconstruction and thereby assess the accuracy of graft position on the femoral condyle...
October 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28966380/management-of-anterior-cruciate-ligament-injury-what-s-in-and-what-s-out
#17
Benjamin Todd Raines, Emily Naclerio, Seth L Sherman
Sports medicine physicians have a keen clinical and research interest in the anterior cruciate ligament (ACL). The biomechanical, biologic, and clinical data researchers generate, help drive injury management and prevention practices globally. The current concepts in ACL injury and surgery are being shaped by technological advances, expansion in basic science research, resurging interest in ACL preservation, and expanding efforts regarding injury prevention. As new methods are being developed in this field, the primary goal of safely improving patient outcomes will be a unifying principle...
September 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/28964676/ulnar-neuropathy-and-medial-elbow-pain-in-women-s-fastpitch-softball-pitchers-a-report-of-6-cases
#18
Adam M Smith, Thomas H Butler, Michael S Dolan
BACKGROUND: Elite-level women's fastpitch softball players place substantial biomechanical strains on the elbow that can result in medial elbow pain and ulnar neuropathic symptoms. There is scant literature reporting the expected outcomes of the treatment of these injuries. This study examined the results of treatment in a series of these patients. METHODS: We identified 6 female softball pitchers (4 high school and 2 collegiate) with medial elbow pain and ulnar neuropathic symptoms...
September 27, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28937802/the-epidemiology-of-stress-fractures-in-collegiate-student-athletes-2004-2005-through-2013-2014-academic-years
#19
Katherine H Rizzone, Kathryn E Ackerman, Karen G Roos, Thomas P Dompier, Zachary Y Kerr
CONTEXT:   Stress fractures are injuries caused by cumulative, repetitive stress that leads to abnormal bone remodeling. Specific populations, including female athletes and endurance athletes, are at higher risk than the general athletic population. Whereas more than 460 000 individuals participate in collegiate athletics in the United States, no large study has been conducted to determine the incidence of stress fractures in collegiate athletes. OBJECTIVE:   To assess the incidence of stress fractures in National Collegiate Athletic Association (NCAA) athletes and investigate rates and patterns overall and by sport...
October 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28926327/long-term-outcomes-of-the-calcaneo-stop-procedure-in-the-treatment-of-flexible-flatfoot-in-children-a-retrospective-study
#20
Francisca Pinho Costa, Gilberto Costa, Manuel Santos Carvalho, António Mendes Moura, Rui Pinto, João Torres
INTRODUCTION: Flexible flatfoot is common amongst children, although treatment is rarely indicated. The calcaneo-stop procedure has been reported to be effective in short-term studies. We aim to evaluate the long-term outcomes of the calcaneo-stop procedure in the treatment of flexible flatfoot in children. MATERIAL AND METHODS: Twenty-six calcaneo-stop procedures performed between 1995 and 2006 on 13 patients were evaluated clinically and using photopodoscopy, and the FAOS questionnaire was applied for both feet...
August 31, 2017: Acta Médica Portuguesa
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