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https://www.readbyqxmd.com/read/28806410/the-influence-of-speed-abilities-and-technical-skills-in-early-adolescence-on-adult-success-in-soccer-a-long-term-prospective-analysis-using-anova-and-sem-approaches
#1
Oliver Höner, Daniel Leyhr, Augustin Kelava
Several talent development programs in youth soccer have implemented motor diagnostics measuring performance factors. However, the predictive value of such tests for adult success is a controversial topic in talent research. This prospective cohort study evaluated the long-term predictive value of 1) motor tests and 2) players' speed abilities (SA) and technical skills (TS) in early adolescence. The sample consisted of 14,178 U12 players from the German talent development program. Five tests (sprint, agility, dribbling, ball control, shooting) were conducted and players' height, weight as well as relative age were assessed at nationwide diagnostics between 2004 and 2006...
2017: PloS One
https://www.readbyqxmd.com/read/28806100/including-the-copenhagen-adduction-exercise-in-the-fifa-11-provides-missing-eccentric-hip-adduction-strength-effect-in-male-soccer-players-a-randomized-controlled-trial
#2
Joar Harøy, Kristian Thorborg, Andreas Serner, André Bjørkheim, Linn E Rolstad, Per Hölmich, Roald Bahr, Thor Einar Andersen
BACKGROUND: The FIFA 11+ was developed as a complete warm-up program to prevent injuries in soccer players. Although reduced hip adduction strength is associated with groin injuries, none of the exercises included in the FIFA 11+ seem to specifically target hip adduction strength. PURPOSE: To investigate the effect on eccentric hip adduction strength of the FIFA 11+ warm-up program with or without the Copenhagen adduction exercise. STUDY DESIGN: Randomized controlled trial; Level of evidence, 1...
August 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28801751/activity-demands-during-multi-directional-team-sports-a-systematic-review
#3
REVIEW
Jeffrey B Taylor, Alexis A Wright, Steven L Dischiavi, M Allison Townsend, Adam R Marmon
BACKGROUND: Late-stage rehabilitation programs often incorporate 'sport-specific' demands, but may not optimally simulate the in-game volume or intensity of such activities as sprinting, cutting, jumping, and lateral movement. OBJECTIVE: The aim of this review was to characterize, quantify, and compare straight-line running and multi-directional demands during sport competition. DATA SOURCES: A systematic review of PubMed, CINAHL, SPORTDiscus, and Cochrane Central Register of Controlled Trials databases was conducted...
August 12, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28798878/treatment-of-knee-osteochondral-lesions-using-a-novel-clot-of-autologous-plasma-rich-in-growth-factors-mixed-with-healthy-hyaline-cartilage-chips-and-intra-articular-injection-of-prgf
#4
Ramón Cugat, Eduard Alentorn-Geli, Gilbert Steinbacher, Pedro Álvarez-Díaz, Xavier Cuscó, Roberto Seijas, David Barastegui, Jordi Navarro, Patricia Laiz, Montserrat García-Balletbó
Knee cartilage or osteochondral lesions are common and challenging injuries. To date, most symptomatic lesions warrant surgical treatment. We present two cases of patients with knee osteochondral defects treated with a one-step surgical procedure consisting of an autologous-based matrix composed of healthy hyaline cartilage chips, mixed plasma poor-rich in platelets clot, and plasma rich in growth factors (PRGF). Both patients returned to playing soccer at the preinjury activity level and demonstrated excellent defect filling in both magnetic resonance imaging and second-look arthroscopy (in one of them)...
2017: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/28795586/fixture-congestion-modulates-post-match-recovery-kinetics-in-professional-soccer-players
#5
Tommy R Lundberg, Kristoffer Weckström
This study examined the influence of fixture congestion on physical performance and biochemical variables in professional male footballers. After 3 competitive matches within a week (3M cycle), 16 players underwent blood sampling and field testing 72 h after the last match. The same tests were performed after a regular 1 match-week cycle (1M cycle). The 1M vs. 3M change scores were compared between Congested (high match exposure) and non-selected Control players. The change score in muscle soreness was greater (effect size 1...
August 10, 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/28793153/a-collaborative-model-for-return-to-academics-after-concussion-athletic-training-and-speech-language-pathology
#6
Sarah A Dachtyl, Pedro Morales
Purpose: In this article, we describe an academic concussion management protocol designed for grades Pre-K to 12, called Cognitive Return to Exertion (CoRTEx). Collaboration between the speech-language pathologist (SLP) and athletic trainer (AT) is highlighted. Method: A description of CoRTEx is provided, and the need for collaboration is emphasized. A case study illustrates an example of how CoRTEx can be implemented at the individual student level. Results: A total of 165 students went through CoRTEx from the pilot in April 2014 through December 2016...
August 9, 2017: American Journal of Speech-language Pathology
https://www.readbyqxmd.com/read/28789628/patellar-tendinopathy-in-young-elite-soccer-clinical-and-sonographical-analysis-of-a-german-elite-soccer-academy
#7
Gerrit Bode, Thorsten Hammer, N Karvouniaris, M J Feucht, L Konstantinidis, N P Südkamp, A Hirschmüller
BACKGROUND: The prevalence of patellar tendinopathy is elevated in elite soccer compared to less explosive sports. While the burden of training hours and load is comparably high in youth elite players (age < 23 years), little is known about the prevalence of patellar tendinopathy at this age. There is only little data available on the influence of age, the amount of training, the position on the field, as well as muscular strength, range of motion, or sonographical findings in this age group...
August 8, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28789571/threat-pressure-and-communication-about-concussion-safety-implications-for-parent-concussion-education
#8
Emily Kroshus, Megan Babkes Stellino, Sara P D Chrisman, Frederick P Rivara
BACKGROUND: Parental communication about the importance of reporting concussion symptoms can influence a child's attitudes about such reporting, and is likely related to perceived threat of concussion. However, parental investment in child sport achievement might impede this communication. PURPOSE: To examine the relationship between perceived threat of concussion and parent-child communication regarding concussion symptom reporting, and the potential interaction with parental pressure regarding child sport achievement...
August 1, 2017: Health Education & Behavior: the Official Publication of the Society for Public Health Education
https://www.readbyqxmd.com/read/28783847/movement-patterns-of-a-u-20-national-women%C3%A2-s-soccer-team-during-competitive-matches-influence-of-playing-position-and-performance-in-the-first-half
#9
Guilherme Passos Ramos, Fábio Yuzo Nakamura, Lucas Adriano Pereira, Wanderley Brilhante Junior, Fábio Mahseredjian, Carolina Franco Wilke, Emerson Silami Garcia, Cândido Celso Coimbra
The aim of this study was to determine the match locomotor characteristics of a sample of U-20 Brazilian female soccer players. Seven international matches were analyzed during the 2015 U-20 South American Championship, using global positioning technology. During a typical match, fullbacks and forwards covered greater distances in high-intensity running and sprinting than central defenders and midfielders (effect size [ES]=1.42-3.69). In the final 15 min of a game, total and high-intensity running distance and player load were ≈20 to 35% (ES=0...
August 7, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28782524/the-psycho-hormonal-influence-of-anaerobic-fatigue-on-semi-professional-female-soccer-players
#10
Adéle Broodryk, Cindy Pienaar, David Edwards, Martinique Sparks
Globally it is assumed that high-intensity activities are the general cause of fatigue experienced during a soccer match. However, little is known about the hormonal and psychological effects of fatigue due to these activities on semi-professional female soccer players. Forty-seven female players (22.0±2.7y) from a tertiary education institution volunteered for the study. Their cortisol values (saliva sample), anxiety [Spielberger State-trait anxiety inventory questionnaire (STAI)] and mood scores [Incredible Short Profile of Mood states questionnaire (ISP)] were taken an hour and immediately prior to, and 15min after an anaerobic fatiguing test (AFT)...
August 4, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28782303/incidence-and-body-location-of-reported-acute-sports-injuries-in-seven-sports-using-a-national-insurance-database
#11
Malin Åman, Magnus Forssblad, Karin Larsén
Sports with high numbers of athletes and acute injuries are an important target for preventive actions at a national level. Both for the health of the athlete and to reduce costs associated with injury. The aim of the present study was to identify injuries where injury prevention should focus, in order to have major impact on decreasing acute injury rates at a national level. All athletes in the seven investigated sport federations (automobile sports, basketball, floorball, football (soccer), handball, ice hockey, and motor sports) were insured by the same insurance company...
August 7, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28780628/surgical-excision-of-symptomatic-mature-posttraumatic-myositis-ossificans-characteristics-and-outcomes-in-32-athletes
#12
Sakari Orava, Juha-Jaakko Sinikumpu, Janne Sarimo, Lasse Lempainen, Gideon Mann, Iftach Hetsroni
PURPOSE: The purpose of this study was to report characteristics and outcomes of surgical excision of symptomatic mature posttraumatic myositis ossificans in adult athletes. The hypothesis was that surgical excision of the ossified mass in these circumstances can effectively relief symptoms and result in return to high-level sports with minimal postoperative complications. METHODS: All operations involving excision of posttraumatic heterotopic ossifications performed between 1987 and 2015 were reviewed...
August 5, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28774219/nonoperative-management-and-rehabilitation-of-osteitis-pubis-pubic-bone-stress-in-professional-soccer-players-a-report-of-5-cases
#13
Stephen S McAleer, Ed Lippie, Darcy Norman, Helge Riepenhof
Study Design Case series. Background Pubic bone stress (PBS) is a common acute or chronic response of the pelvis in sports where sprinting, kicking, twisting and cutting are the dominant movements. Little literature exists regarding non-operative rehabilitation strategies for the condition and the outcome of conservative treatment has not been documented. Case Description Five professional and aspiring professional soccer players complaining of pubic symphysis pain, confirmed as PBS on magnetic resonance imaging and objective assessment...
August 3, 2017: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/28770511/dynamic-brace-is-a-good-option-to-treat-first-anterior-shoulder-dislocation-in-season
#14
M Conti, R Garofalo, A Castagna, G Massazza, E Ceccarelli
PURPOSE: We evaluate the ability of in-season competitive athletes to return to competition after an anterior shoulder instability treated conservatively with a new dynamic brace combined with a specific rehabilitation program. METHODS: Twenty soccer players affected by traumatic anterior shoulder dislocation have been enrolled in the "Footballer In Season Fast Rehab" project during 2 consecutive football seasons. We excluded patients affected by rotator cuff tears and the bony defect over 25%...
August 2, 2017: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/28767483/activity-profiles-in-u17-u20-and-senior-women-s-brazilian-national-soccer-teams-during-international-competitions-are-there-meaningful-differences
#15
Guilherme P Ramos, Fábio Y Nakamura, Eduardo M Penna, Carolina Franco Wilke, Lucas A Pereira, Irineu Loturco, Luciano Capelli, Fábio Mahseredjian, Emerson Silami-Garcia, Cândido C Coimbra
The aim of this study was to compare locomotor activity profiles of Brazilian top-class female soccer players competing at distinct age brackets (U17, U20, and Senior). External match load of 14 U17, 14 U20, and 17 Senior female soccer players competing in 6-7 full official international matches were assessed using global positioning systems (GPS). Total distance covered, distance covered in high intensity (HID:15.6-20 kmh), distance covered in sprints (sprint:>20 kmh), number of accelerations (Acc)>1 ms, decelerations (Dec) >-1 ms, and Player Load generally increased across the age brackets (U17<U20<Senior)...
July 31, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28766262/response-requirements-affect-offside-judgments-in-football-soccer
#16
Frowin Fasold, Peter Wühr, Daniel Memmert
Judging offside in football represents a typical go-nogo task (offside-raising the flag, no offside-no response). Nevertheless, several studies involved two-choice tasks (e.g. offside-press key A, no offside-press key B) to investigate potential sources of errors in offside situations. While go-nogo and choice-response tasks are commonly used in experimental psychology, response preferences may differ between the two tasks. Therefore, we investigated the impact of response requirements on offside judgments in a sample of male participants without experience in professional refereeing...
August 1, 2017: Psychological Research
https://www.readbyqxmd.com/read/28763417/sport-and-sex-specific-reporting-trends-in-the-epidemiology-of-concussions-sustained-by-high-school-athletes
#17
Michael S Schallmo, Joseph A Weiner, Wellington K Hsu
BACKGROUND: Approximately 300,000 U.S. adolescents sustain concussions annually while participating in organized athletics. This study aimed to track sex and sport-specific trends among high school sports-related concussions over time, to identify whether a particular sport predisposes athletes to a higher risk, and to assess whether traumatic brain injury law enactments have been successful in improving recognition. METHODS: Injury data for academic years 2005 to 2014 were collected from annual reports generated by High School RIO (Reporting Information Online)...
August 2, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28761709/effects-of-football-sporting-activity-on-renal-and-liver-functions-among-young-undergraduate-students-of-a-nigerian-tertiary-institution
#18
Oloruntoba Ayodele Ekun, Adijat Folake Emiabata, Olalekan Clement Abiodun, Nkeiruka Ogochukwu Ogidi, Florence O Adefolaju, Oyeronke Olufemi Ekun
BACKGROUND: Football sporting exercise is one of the most popular events in the world. While there are well-documented reports on the effects of different athletic sporting activities on the biochemical markers of renal and liver functions, there are paucity of well-documented reports on the effects of football activity on Nigerian sportsmen, hence the need for this study. METHOD: Biochemical markers of renal and liver functions (urea, creatinine, aspartate aminotransaminase (AST), alanine aminotransaminase (ALT), alkaline phosphatase (ALP)) were determined using Cobas c 111 auto-analyser by Roche...
2017: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/28761702/static-stretching-does-not-enhance-recovery-in-elite-youth-soccer-players
#19
Sam Pooley, Owen Spendiff, Matt Allen, Hannah J Moir
BACKGROUND: Static stretching (SS) is a recovery intervention used for the reduction of muscle soreness postexercise. The effects of SS on elite young footballers have received little attention, and therefore the aim of this study was to assess the effects of SS on muscle recovery following competitive soccer matches in elite young footballers. METHODS: Ten male participants (16±1 years) were recruited from an English Premier League professional soccer academy...
2017: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/28761701/high-prevalence-of-self-reported-injuries-and-illnesses-in-talented-female-athletes
#20
A Richardson, B Clarsen, E A L M Verhagen, J H Stubbe
BACKGROUND: A thorough knowledge of the epidemiology and severity of injuries and illness in youth female elite sports is lacking due to the methodological challenges involved in recording them. In this study, the prevalence and incidence of injuries and illness are assessed among youth female elite athletes. Instead of solely focusing on time-loss injuries, our study included all substantial and non-substantial health problems (ie, injuries, mental problems and illnesses). METHODS: Sixty young elite Dutch female athletes (age: 16...
2017: BMJ Open Sport & Exercise Medicine
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