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Team sport

Holly J Silvers-Granelli, Mario Bizzini, Amelia Arundale, Bert R Mandelbaum, Lynn Snyder-Mackler
PURPOSE: The 11+ injury prevention program has been shown to decrease injury rate. However, few studies have investigated compliance and if it is correlated to time loss. The purpose of this study was to (1) analyze how differences in compliance may impact injury rate and (2) if compliance may impact time loss due to injury. METHODS: This study was a Level 1 prospective cluster randomized controlled trial conducted in NCAA men's football (soccer) teams that examined the efficacy of the 11+ injury prevention program...
March 19, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
Jason C Tee, Sheree Bekker, Rob Collins, Jannie Klingbiel, Ivan van Rooyen, David van Wyk, Kevin Till, Ben Jones
OBJECTIVES: Due to the complex systems nature of injuries, the responsibility for injury risk management cannot lie solely within a single domain of professional practice. Interdisciplinary collaboration between technical/tactical coaches, strength and conditioning coaches, team doctors, physical therapists and sport scientists is likely to have a meaningful impact on injury risk. This study describes the application and efficacy of a multidisciplinary approach to reducing team injury risk in professional rugby union...
February 14, 2018: Journal of Science and Medicine in Sport
Valentina Camomilla, Elena Bergamini, Silvia Fantozzi, Giuseppe Vannozzi
Recent technological developments have led to the production of inexpensive, non-invasive, miniature magneto-inertial sensors, ideal for obtaining sport performance measures during training or competition. This systematic review evaluates current evidence and the future potential of their use in sport performance evaluation. Articles published in English (April 2017) were searched in Web-of-Science, Scopus, Pubmed, and Sport-Discus databases. A keyword search of titles, abstracts and keywords which included studies using accelerometers, gyroscopes and/or magnetometers to analyse sport motor-tasks performed by athletes (excluding risk of injury, physical activity, and energy expenditure) resulted in 2040 papers...
March 15, 2018: Sensors
Billy T Hulin, Tim J Gabbett, Rich D Johnston, David G Jenkins
PURPOSE: Determine: 1) how change of direction (COD) workloads influence PlayerLoad variables when controlling total distance covered, and 2) relationships among collision workloads and PlayerLoad variables during rugby league match-play. METHODS: Participants completed 3 protocols (crossover design) consisting of 10 repetitions of a 60 m effort in 15 s. The difference between each protocol was the COD demands required to complete 1 repetition; no COD (SL), 1 x 180º COD (1COD), or 3 x 180º COD (3COD)...
March 15, 2018: International Journal of Sports Physiology and Performance
Frédéric N Brière, Gabrielle Yale-Soulière, Daniela Gonzalez-Sicilia, Marie-Josée Harbec, Julien Morizot, Michel Janosz, Linda S Pagani
BACKGROUND: Engaging in sport has been suggested to be mitigate against psychological distress. Using a prospective-longitudinal design, we examine whether sport participation is associated with reduced psychological difficulties in adolescents and whether associations differ by sport and personal characteristics. METHODS: 17 550 adolescents from grade 7 to 10 (mean age=14.4 years old) self-reported on sport participation, depressive symptoms, social anxiety symptoms and loneliness in Spring 2007 and 1 year later...
March 14, 2018: Journal of Epidemiology and Community Health
Joseph M Stonecypher, Lindsey C Blom, James E Johnson, Jocelyn H Bolin, Robert C Hilliard
Tripartite efficacy refers to the beliefs of the individuals within a dyad regarding personal abilities (self-efficacy), the partner's abilities (other-efficacy), or relation-inferred self-efficacy. This efficacy model has recently gained popularity in sports research (Jackson, Whipp, & Beauchamp, 2013), although there has not been any longitudinal research on efficacy beliefs and performance within this complex intra-dyad tripartite efficacy model. In a case study, we examined six individual players on a high school basketball team to explore any longitudinal changes in these tripartite efficacy beliefs through a season of play...
January 1, 2018: Psychological Reports
Kristy L Smith, Patricia L Weir, Kevin Till, Michael Romann, Stephen Cobley
BACKGROUND: Subtle differences in chronological age within sport (bi-) annual-age groupings can contribute to immediate participation and long-term attainment discrepancies; known as the relative age effect. Voluminous studies have examined relative age effects in male sport; however, their prevalence and context-specific magnitude in female sport remain undetermined. OBJECTIVE: The objective of this study was to determine the prevalence and magnitude of relative age effects in female sport via examination of published data spanning 1984-2016...
March 13, 2018: Sports Medicine
Mareike Roell, Kai Roecker, Dominic Gehring, Hubert Mahler, Albert Gollhofer
The increasing interest in assessing physical demands in team sports has led to the development of multiple sports related monitoring systems. Due to technical limitations, these systems primarily could be applied to outdoor sports, whereas an equivalent indoor locomotion analysis is not established yet. Technological development of inertial measurement units (IMU) broadens the possibilities for player monitoring and enables the quantification of locomotor movements in indoor environments. The aim of the current study was to validate an IMU measuring by determining average and peak human acceleration under indoor conditions in team sport specific movements...
2018: Frontiers in Physiology
Cláudio Farias, Carla Valério, Isabel Mesquita
The teaching and learning of games and sport-based activities has historically been the dominant form of the physical education curricula. With an interest in providing to students meaningful and culturally situated sporting experiences, Sport Education is probably the most implemented and researched pedagogical model worldwide. However, although there is considerable evidence that the model as a curriculum approach can benefit the development of social goals and healthy sport behaviors, not a single study as to date examined students' game-play development beyond participation in single and isolated teaching units...
March 2018: Journal of Sports Science & Medicine
Curtis L Tomasevicz, Jack W Ransone, Christopher W Bach
The requisite combination of speed, power, and strength necessary for a bobsled push athlete coupled with the difficulty in directly measuring pushing ability makes selecting effective push crews challenging. Current practices by USA Bobsled and Skeleton (USABS) utilize field combine testing to assess and identify specifically selected performance variables in an attempt to best predict push performance abilities. Combine data consisting of 11 physical performance variables were collected from 75 subjects across two winter Olympic qualification years (2009 and 2013)...
March 12, 2018: Journal of Strength and Conditioning Research
Felix Fischer, Christian Hoser, Cornelia Blank, Wolfgang Schobersberger, Caroline Hepperger, Peter Gföller, Christian Fink
PURPOSE AND HYPOTHESIS:  With its load characteristics, the team sport of football places high physical demands on players and thus is associated with a high risk of injury. Therefore, the purpose of this study was to collect information about injuries suffered by football players in Austria during training or matches to enable participating clubs to learn about injuries. METHODS:  One hundred and forty-five players from seven teams with age ranging from 16 to 38 years participated in this prospective study during the 2015/16 season...
March 12, 2018: Sportverletzung Sportschaden: Organ der Gesellschaft Für Orthopädisch-Traumatologische Sportmedizin
Steven H Doeven, Michel S Brink, Silke J Kosse, Koen A P M Lemmink
Background: Insufficient postmatch recovery in elite players may cause an increased risk of injuries, illnesses and non-functional over-reaching. Objective: To evaluate postmatch recovery time courses of physical performance and biochemical markers in team ball sport players. Study design: Systematic review. Data sources: PubMed and Web of Science. Eligibility criteria for selecting studies: This systematic review was conducted according to Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines...
2018: BMJ Open Sport & Exercise Medicine
Kevin E Wilk, Christopher A Arrigo
There are numerous complications that can occur following a musculoskeletal injury or surgery in the sporting population. Prevention of the most frequent complications is the key in any successful rehabilitation program, but occasionally problems do occur. A thorough well-designed postoperative or postinjury rehabilitation program may prevent these problems. However, if complications do arise, a team approach among the parties involved in the process to develop an evidenced-based treatment program designed for the underlying complication can successfully treat these issues...
April 2018: Clinics in Sports Medicine
Martin K Erikstad, Rune Høigaard, Bjørn Tore Johansen, Ngianga-Bakwin Kandala, Tommy Haugen
Childhood sport participation is argued to be important to understand differences in self-regulation and performance level in adolescence. This study sought to investigate if football-specific activities in childhood (6-12 years of age) is related to self-regulatory skills and national under 14- and 15-team selection in Norwegian elite youth football. Data of practice histories and self-regulatory skills of 515 youth football players selected at Norwegian regional level were collected and further analysed using multilevel analyses...
March 9, 2018: Journal of Sports Sciences
Federica Sancassiani, Sergio Machado, Antonio Preti
People with severe psychosocial disabilities have a 20-years shorter lifespan due to chronic somatic comorbidities and the long-term consequences of the side-effects of antipsychotic drugs. They often are sedentary and show lower levels of physical activity, factors which can contribute to their shorter lifespan, because of the greater cardiovascular risk. An increasing amount of evidence, including clinical trials, pointed out that sport, physical activity and structured exercise programs improve physical and psychological wellbeing of people with psychosocial disabilities, playing also an important role against their social isolation and self-stigma...
2018: Clinical Practice and Epidemiology in Mental Health: CP & EMH
Roland Sieghartsleitner, Claudia Zuber, Marc Zibung, Achim Conzelmann
Characteristics of learning activities in early sport participation play a key role in the development of the sporting talent. Therefore, pathways of specialisation or diversification/sampling are as well debated as the implementation of practice- or play-oriented activities. The related issues are currently perceived as a two-dimensional construct of domain specificity and performance orientation . In this context, it has been shown that early specialisation, with experiences in practice and play, has led to Swiss junior national team football players reaching higher success levels as adults...
2018: Frontiers in Psychology
Philip Von Rosen, Anders Kottorp, Cecilia Fridén, Anna Frohm, Annette Heijne
Even though injury is common in elite sports, there is still a lack of knowledge of young athletes' injury perception both during and after injury. The aim of this mixed-method study was, therefore, to explore, in-depth, data on injury consequences and adolescent elite athletes' perceptions and experience of injury. Three hundred and forty adolescent elite athletes (age range 15-19), from 16 different sports, were bi-weekly monitored over 52 weeks using a valid questionnaire. Twenty athletes from the same cohort were interviewed in focus groups about injury experience and perceptions...
March 3, 2018: European Journal of Sport Science
Andrea Brusaferro, Edoardo Farinelli, Letizia Zenzeri, Rita Cozzali, Susanna Esposito
Recurrent abdominal pain (RAP) is one of the most common health complaints in both children and adults. Although RAP is considered a functional disorder rather than an organic disease, affected children and their families can still experience anxiety and concerns that can interfere with school, sports, and regular daily activities and lead to frequent attendances at pediatric emergency departments or pediatric gastroenterology clinics. Our review shows experts do not agree on a universally proven management that will work on every child presenting with functional abdominal pain (FAP)...
March 2, 2018: Paediatric Drugs
Samuel P Hills, David J Rogerson
Self-reported wellness is often used to monitor fatigue responses to training and competition. Constraints within team sports mean short-form wellness questionnaires are typically preferred to literature-validated documents. This research aimed to assess the relationship between self-reported wellness and neuromuscular performance during a professional rugby union season, and to identify changes in these parameters over a 12-week period. On the first training day each week, prior to activity, 37 players rated 5 wellness subscales ('fatigue/vigour', 'upper-body soreness', 'lower-body soreness', 'mood', 'sleep quality/duration'), on a 1-5 Likert scale (1 representing the lowest wellness), and 5-repetition countermovement jumps (CMJ) were completed following a warm-up...
February 27, 2018: Journal of Strength and Conditioning Research
Irineu Loturco, Timothy Suchomel, Ronaldo Kobal, Ademir F S Arruda, Aristide Guerriero, Lucas A Pereira, Chi Nan Pai
This study examined the force-velocity relationship and tested the possibility of determining the relative loading intensity (% 1RM) in three different variations of prone row exercises. Thirty male top-level athletes from two different sports (National Team rugby union players and professional mixed martial arts fighters) were submitted to maximum dynamic strength assessments in the free prone bench pull, bent over barbell row, and bent over Smith-machine row, following standard procedures encompassing lifts performed from 40 to 100% of 1RM...
February 27, 2018: Journal of Strength and Conditioning Research
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