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https://www.readbyqxmd.com/read/28343160/an-injury-prevention-pyramid-for-elite-sports-teams
#1
Philip Alexander Coles
No abstract text is available yet for this article.
March 25, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28338362/the-effects-of-caffeine-taurine-or-caffeine-taurine-co-ingestion-on-repeat-sprint-cycling-performance-and-physiological-responses
#2
Rory Warnock, Owen Jeffries, Stephen Patterson, Mark Waldron
PURPOSE: This study investigated the effects of caffeine (C), taurine (T), caffeine and taurine co-ingestion (C+T) or placebo (P) on repeated Wingate cycling performance and associated physiological responses. METHODS: Seven male team sports players participated in a randomised, single-blind, cross-over study, where they completed three Wingate tests, each separated by 2-min, an hour after ingesting: C (5 mg/kg BM), T (50 mg/kg BM), C+T (5 mg/kg BM + 50 mg/kg BM) or P (5 mg/kg BM) in a gelatine capsule...
March 24, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28332113/the-critical-power-concept-applications-to-sports-performance-with-a-focus-on-intermittent-high-intensity-exercise
#3
REVIEW
Andrew M Jones, Anni Vanhatalo
The curvilinear relationship between power output and the time for which it can be sustained is a fundamental and well-known feature of high-intensity exercise performance. This relationship 'levels off' at a 'critical power' (CP) that separates power outputs that can be sustained with stable values of, for example, muscle phosphocreatine, blood lactate, and pulmonary oxygen uptake ([Formula: see text]), from power outputs where these variables change continuously with time until their respective minimum and maximum values are reached and exercise intolerance occurs...
March 22, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28328717/perceived-sleep-quality-mood-states-and-their-relationship-with-performance-among-brazilian-elite-athletes-during-a-competitive-period
#4
Ricardo Brandt, Guilherme G Bevilacqua, Alexandro Andrade
Brandt, R, Bevilacqua, GG, and Andrade, A. Perceived sleep quality, mood states, and their relationship with performance among Brazilian elite athletes during a competitive period. J Strength Cond Res 31(4): 1033-1039, 2017-We described the perceived sleep quality and mood states of elite athletes during a competitive period, and clarified their relationship to athletes' sport performance. Participants were 576 Brazilian elite athletes (404 men and 172 women) of individual and team sports. Mood states were evaluated using the Brunel Mood Scale, whereas perceived sleep quality was evaluated using a single question ("How would you evaluate the quality of your sleep in the last few days?")...
April 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28327163/injuries-in-male-and-female-semi-professional-football-soccer-players-in-nigeria-prospective-study-of-a-national-tournament
#5
Oluwatoyosi Babatunde Alex Owoeye, Ayoola Ibifubara Aiyegbusi, Oluwaseun Akinleye Fapojuwo, Oluwaseun Abdulganiyu Badru, Anike Rasheedat Babalola
BACKGROUND: Research on the epidemiology of football injuries in Africa is very sparse despite its importance for injury prevention planning in a continent with limited sports medicine resources. The vast majority of studies available in literature were conducted in Europe and only a very few studies have prospectively reported the pattern of football injury in Africa. The purpose of this study was to evaluate the incidence and pattern of injuries in a cohort of male and female semi-professional football players in Nigeria...
March 21, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28326947/change-deafness-dual-task-performance-and-domain-specific-expertise
#6
John G Neuhoff, Katharina S Bochtler
In a change deafness manipulation using radio broadcasts of sporting events, we show that change deafness to a switch in talker increases when listeners are asked to monitor both lexical and indexical information for change. We held semantic content constant and demonstrated a change deafness rate of 85% when participants listened to the home team broadcast of a hockey game that switched midway to the away team broadcast with a different announcer. In Study 2 participants were asked to monitor either the indexical characteristics (listen for a change in announcer) or both the indexical and semantic components (listen for a change in announcer or a goal scored)...
March 22, 2017: Quarterly Journal of Experimental Psychology: QJEP
https://www.readbyqxmd.com/read/28326044/geographical-variations-in-the-interaction-of-relative-age-effects-in-youth-and-adult-elite-soccer
#7
Christina Steingröver, Nick Wattie, Joseph Baker, Werner F Helsen, Jörg Schorer
Selection biases based on the use of cut-off dates and the timing of athletes' birthdates have been termed relative age effects. These effects have been shown to differentially affect individuals involved in sport. For example, young male soccer players born early in their age group are overrepresented in elite teams while studies in adult soccer indicated potential carry-over effects from talent development systems. This two-study approach focuses on the processes within multi-year age groups in youth and adult elite soccer and on the role of players' age position within the age band with regard to players' birth year and birth month...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28317426/the-influence-of-social-identity-on-self-worth-commitment-and-effort-in-school-based-youth-sport
#8
Luc J Martin, Danny Balderson, Michael Hawkins, Kathleen Wilson, Mark W Bruner
​​​The current study examined the influence of social identity for individual perceptions of self-worth, commitment, and effort in school-based youth athletes. Using a prospective research design, 303 athletes (Mage = 14.89, SD = 1.77; 133 female) from 27 sport teams completed questionnaires at 2 time points (T1 - demographics, social identity; T2 - self-worth, commitment, effort) during an athletic season. Multilevel analyses indicated that at the individual level, the social identity dimension of in-group ties (IGT) predicted commitment (b = 0...
March 18, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28302739/changing-landscape-of-congenital-heart-disease
#9
Berto J Bouma, Barbara J M Mulder
Congenital heart disease is the most frequently occurring congenital disorder affecting ≈0.8% of live births. Thanks to great efforts and technical improvements, including the development of cardiopulmonary bypass in the 1950s, large-scale repair in these patients became possible, with subsequent dramatic reduction in morbidity and mortality. The ongoing search for progress and the growing understanding of the cardiovascular system and its pathophysiology refined all aspects of care for these patients. As a consequence, survival further increased over the past decades, and a new group of patients, those who survived congenital heart disease into adulthood, emerged...
March 17, 2017: Circulation Research
https://www.readbyqxmd.com/read/28299495/who-wants-to-play-sport-motivation-trajectories-sport-participation-and-the-development-of-depressive-symptoms
#10
Ming-Te Wang, Angela Chow, Jamie Amemiya
Although sport involvement has the potential to enhance psychological wellbeing, studies have suggested that motivation to participate in sports activities declines across childhood and adolescence. This study incorporated expectancy-value theory to model children's sport ability self-concept and subjective task values trajectories from first to twelfth grade. Additionally, it examined if sport motivation trajectories predicted individual and team-based sport participation and whether sport participation in turn reduced the development of depressive symptoms...
March 15, 2017: Journal of Youth and Adolescence
https://www.readbyqxmd.com/read/28298059/groin-problems-in-male-soccer-players-are-more-common-than-previously-reported
#11
Joar Harøy, Ben Clarsen, Kristian Thorborg, Per Hölmich, Roald Bahr, Thor Einar Andersen
BACKGROUND: The majority of surveillance studies in soccer have used a time-;loss injury definition, and many groin problems result from overuse, leading to gradually increasing pain and/or reduced performance without necessarily causing an absence from soccer training or match play. Thus, the magnitude of groin problems in soccer has probably been underestimated in previous studies based on traditional injury surveillance methods. PURPOSE: To investigate the prevalence of groin problems among soccer players of both sexes and among male soccer players at different levels of play through a new surveillance method developed to capture acute and overuse problems...
February 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28291764/delayed-effects-of-a-low-volume-power-type-resistance-exercise-session-on-explosive-performance
#12
Athanasios Tsoukos, Panagiotis Veligekas, Lee E Brown, Gerasimos Terzis, Gregory C Bogdanis
This study examined the delayed effects of a power type training session on explosive performance. Seventeen well-trained male power and team sport athletes (age: 22.7±5.5 y, height: 181±8 cm, body mass: 80.7±8.6 kg, body fat: 9.2±1.7 %, 1-RM half-squat: 163±29 kg) performed four sessions (2 experimental and 2 control) one week apart in a randomized and counterbalanced order. Explosive performance was assessed before, 24 and 48 h following a low-volume, power-type training session (5 x 4 jump squats at 40% 1RM with 3 min rest), as well as before and after 24 and 48 h of rest (control)...
January 24, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28288602/is-being-a-regular-player-with-fewer-teammates-associated-with-musculoskeletal-pain-in-youth-team-sports-a-cross-sectional-study
#13
Takafumi Abe, Masamitsu Kamada, Jun Kitayuguchi, Shinpei Okada, Yoshiteru Mutoh, Yuji Uchio
BACKGROUND: Musculoskeletal pain (MSP) is a commonly reported symptom in youth sports players. Some sports-related risk factors have been reported, but previous studies on extrinsic risk factors did not focus on management of team members (e.g., regular or non-regular players, number of players) for reducing sports-related MSP. This study aimed to examine the association of playing status (regular or non-regular players) and team status (fewer or more teammates) with MSP in youth team sports...
March 14, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28286964/factors-impacting-participation-in-sports-for-children-with-limb-absence-a-qualitative-study
#14
Batoul Sayed Ahmed, Marena Lamy, Debra Cameron, Lisa Artero, Sandra Ramdial, Matthew Leineweber, Jan Andrysek
BACKGROUND: Individuals with limb absence benefit from participating in sports. While barriers and facilitators affecting sport participation are well documented for adults, they have not been explored for children with limb absence. PURPOSE: To identify the perceived factors impacting participation in sports according to children with limb absence and their parents. METHODS: This study uses a descriptive qualitative study design. Nineteen participants, consisting of children and their parents, were recruited from an outpatient hospital clinic for semi-structured interviews...
March 12, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28283992/training-load-monitoring-in-team-sports-a-novel-framework-separating-physiological-and-biomechanical-load-adaptation-pathways
#15
Jos Vanrenterghem, Niels Jensby Nedergaard, Mark A Robinson, Barry Drust
There have been considerable advances in monitoring training load in running-based team sports in recent years. Novel technologies nowadays offer ample opportunities to continuously monitor the activities of a player. These activities lead to internal biochemical stresses on the various physiological subsystems; however, they also cause internal mechanical stresses on the various musculoskeletal tissues. Based on the amount and periodization of these stresses, the subsystems and tissues adapt. Therefore, by monitoring external loads, one hopes to estimate internal loads to predict adaptation, through understanding the load-adaptation pathways...
March 10, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28282752/discovering-frequently-recurring-movement-sequences-in-team-sport-athlete-spatiotemporal-data
#16
Alice J Sweeting, Robert J Aughey, Stuart J Cormack, Stuart Morgan
Athlete external load is typically analysed from predetermined movement thresholds. The combination of movement sequences and differences in these movements between playing positions is also currently unknown. This study developed a method to discover the frequently recurring movement sequences across playing position during matches. The external load of 12 international female netball athletes was collected by a local positioning system during four national-level matches. Velocity, acceleration and angular velocity were calculated from positional (X, Y) data, clustered via one-dimensional k-means and assigned a unique alphabetic label...
February 9, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28277407/iron-deficiency-and-anemia-among-collegiate-athletes-a-retrospective-chart-review
#17
Rachel B Parks, Scott J Hetzel, M Alison Brooks
PURPOSE: To describe the prevalence of anemia among incoming female college athletes and to characterize the results and expenses of iron-related testing at one NCAA Division I institution. METHODS: In this retrospective medical record review, hemoglobin (Hgb) and ferritin (Fer) lab values were obtained for student-athletes at a single institution, 2002 - 2014. Labs were collected either as part of the pre-participation exam (PPE) for female athletes, routine screening for cross country athletes, or as needed for medical evaluation...
March 8, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28268276/preliminary-results-of-residual-deficits-observed-in-athletes-with-concussion-history-combined-eeg-and-cognitive-study
#18
Tamanna T K Munia, Jeffrey L Gendreau, Ajay K Verma, Benjamin D Johnson, Mark Romanick, Kouhyar Tavakolian, Reza Fazel-Rezai
Assessment, treatment, and management of sport-related concussions are a widely recognized public health issue. Although several neuropsychological and motor assessment tools have been developed and implemented for sports teams at various levels and ages, the sensitivity of these tests has yet to be validated with more objective measures to make return-to-play (RTP) decisions more confidently. The present study sought to analyze the residual effect of concussions on a sample of adolescent athletes who sustained one or more previous concussions compared to those who had no concussion history...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28266908/evaluating-strategic-periodisation-in-team-sport
#19
Sam Robertson, David Joyce
The planned peaking for matches or events of perceived greatest priority or difficulty throughout a competitive season is commonplace in high-level team sports. Despite this prevalence in the field, little research exists on the practice. This study aimed to provide a framework for strategic periodisation which team sport organisations can use to evaluate the efficacy of such plans. Data relating to factors potentially influencing the difficulty of matches were obtained for games played in the 2014 Australian Football League season...
March 7, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28265471/public-medical-preparedness-at-the-swiss-wrestling-and-alpine-games-2013-descriptive-analysis-of-1-533-patients-treated-at-the-largest-3-day-sporting-event-in-switzerland
#20
Simone Hostettler-Blunier, Nora Müller, Tobias Haltmeier, Andreas Hosner, Heinz Bähler, Frank Neff, Daniel Baumberger, Aristomenis Exadaktylos, Beat Schnüriger
Introduction. Medical preparedness at mass gatherings is challenging, as little is known about the optimal planning. Most studies and case reports are based on mass casualty incidents, so the results cannot be extrapolated to mass gatherings. Aim of this study was to evaluate the preclinical medical structure and the frequency of specific injuries and medical emergencies during the event. Methods. Retrospective analysis of a prospectively collected database. Three on-site medical assistance points were set up, completed by mobile teams, and coordinated by an on-site operational management team...
2017: Emergency Medicine International
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