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https://www.readbyqxmd.com/read/27889869/left-ventricular-speckle-tracking-derived-cardiac-strain-and-cardiac-twist-mechanics-in-athletes-a-systematic-review-and-meta-analysis-of-controlled-studies
#1
REVIEW
Alexander Beaumont, Fergal Grace, Joanna Richards, John Hough, David Oxborough, Nicholas Sculthorpe
BACKGROUND: The athlete's heart is associated with physiological remodeling as a consequence of repetitive cardiac loading. The effect of exercise training on left ventricular (LV) cardiac strain and twist mechanics are equivocal, and no meta-analysis has been conducted to date. OBJECTIVE: The objective of this systematic review and meta-analysis was to review the literature pertaining to the effect of different forms of athletic training on cardiac strain and twist mechanics and determine the influence of traditional and contemporary sporting classifications on cardiac strain and twist mechanics...
November 26, 2016: Sports Medicine
https://www.readbyqxmd.com/read/27857697/the-development-of-a-new-sport-specific-classification-of-coping-and-a-meta-analysis-of-the-relationship-between-different-coping-strategies-and-moderators-on-sporting-outcomes
#2
Adam R Nicholls, Natalie J Taylor, Sean Carroll, John L Perry
There is an ever growing coping and sports performance literature, with researchers using many different methods to assess performance and different classifications of coping. As such, it makes it difficult to compare studies and therefore identify how coping is related to performance. Furthermore, there are no quantitative syntheses of the results from these studies. A quantitative synthesis would facilitate a more comprehensive understanding of how coping is associated with athletic performance. In order to accurately compare studies, our first aim was to develop a new coping classification that would make this possible...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27845683/pain-activities-of-daily-living-and-sport-function-at-different-time-points-after-hip-arthroscopy-in-patients-with-femoroacetabular-impingement-a-systematic-review-with-meta-analysis
#3
REVIEW
Signe Kierkegaard, Martin Langeskov-Christensen, Bent Lund, Florian D Naal, Inger Mechlenburg, Ulrik Dalgas, Nicola C Casartelli
AIM: To investigate pain, activities of daily living (ADL) function, sport function, quality of life and satisfaction at different time points after hip arthroscopy in patients with femoroacetabular impingement (FAI). DESIGN: Systematic review with meta-analysis. Weighted mean differences between preoperative and postoperative outcomes were calculated and used for meta-analysis. DATA SOURCES: EMBASE, MEDLINE, SportsDiscus, CINAHL, Cochrane Library, and PEDro...
November 14, 2016: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/27842463/do-cognitive-training-strategies-improve-motor-and-positive-psychological-skills-development-in-soccer-players-insights-from-a-systematic-review
#4
Maamer Slimani, Nicola Luigi Bragazzi, David Tod, Alexandre Dellal, Olivier Hue, Foued Cheour, Lee Taylor, Karim Chamari
Soccer players are required to have well-developed physical, technical and cognitive abilities. The present systematic review, adhering to Preferred Reporting Items for Systematic reviews and Meta-Analysis guidelines, examined the effects of cognitive training strategies on motor and positive psychological skills development in soccer performance and identified the potential moderators of the "cognitive training-soccer performance" relationship. Thirteen databases were systematically searched using keywords related to psychological or cognitive training in soccer players...
November 15, 2016: Journal of Sports Sciences
https://www.readbyqxmd.com/read/27835043/risk-factors-for-medial-tibial-stress-syndrome-in-active-individuals-an-evidence-based-review
#5
Zachary K Winkelmann, Dustin Anderson, Kenneth E Games, Lindsey E Eberman
: Reference/Citation: Hamstra-Wright KL, Bliven KC, Bay C. Risk factors for medial tibial stress syndrome in physically active individuals such as runners and military personnel: a systematic review and meta-analysis. Br J Sports Med. 2015;49(6)362-369. CLINICAL QUESTION:  What factors put physically active individuals at risk to develop medial tibial stress syndrome (MTSS)? DATA SOURCES:  The authors performed a literature search of CINAHL, the Cochrane Central Register of Controlled Trials, EMBASE, and MEDLINE from each database's inception to July 2013...
November 1, 2016: Journal of Athletic Training
https://www.readbyqxmd.com/read/27813685/physical-activity-and-intermittent-postconcussion-symptoms-after-a-period-of-symptom-limited-physical-and-cognitive-rest
#6
Quinton Sawyer, Brian Vesci, Tamara C Valovich McLeod
: Reference: Schneider KJ, Iverson GL, Emery CA, McCrory P, Herring SA, Meeuwisse WH. The effects of rest and treatment following sport-related concussion: a systematic review of the literature. Br J Sports Med. 2013;47(5):304-307. Clinical Question After concussion and a period of symptom-limited physical and cognitive rest, do athletes who experience intermittent symptoms return to asymptomatic condition more quickly with physical activity than with prolonged physical rest? DATA SOURCES: One investigator performed an individual search for each research question using the following databases: CINAHL, Cochrane Controlled Trials Registers, EMBASE, HealthSTAR, ProQuest, PsychInfo, PubMed, SPORTDiscus, and Web of Science...
November 4, 2016: Journal of Athletic Training
https://www.readbyqxmd.com/read/27793062/variation-in-responses-to-sprint-training-in-male-youth-athletes-a-meta-analysis
#7
J Moran, G Sandercock, M C Rumpf, D A Parry
The trainability of youths and the existence of periods of accelerated adaptation to training have become key subjects of debate in exercise science. The purpose of this meta-analysis was to characterise youth athletes' adaptability to sprint training across PRE-, MID-, and POST-peak height velocity (PHV) groups. Effect sizes were calculated as a measure of straight-line sprinting performance with studies qualifying based on the following criteria: (a) healthy male athletes who were engaged in organised sports; (b) groups of participants with a mean age between 10 and 18 years; (c) sprint training intervention duration between 4 and 16 weeks...
October 28, 2016: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/27769608/variability-in-outcome-reporting-for-operatively-managed-anterior-glenohumeral-instability-a-systematic-review
#8
Jayd Lukenchuk, Laura A Sims, Jason J Shin
PURPOSE: The purpose of this study was to quantify the degree of variability in outcomes assessed after surgery for anterior shoulder instability in recent high-impact literature. METHODS: Using Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines, an extensive review of the literature during a 5-year period from January 2011 through December 2015 was performed across 6 orthopaedic journals with high impact factors to identify all studies investigating outcomes after anterior shoulder instability...
October 18, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27757591/acute-effects-of-caffeine-containing-energy-drinks-on-physical-performance-a-systematic-review-and-meta-analysis
#9
Diego B Souza, Juan Del Coso, Juliano Casonatto, Marcos D Polito
PURPOSE: Caffeine-containing energy drinks (EDs) are currently used as ergogenic aids to improve physical performance in a wide variety of sport disciplines. However, the outcomes of previous investigations on this topic are inconclusive due to methodological differences, especially, in the dosage of the active ingredients and the test used to assess performance. METHODS: We performed a systematic review and meta-analysis of published studies to evaluate the effects of acute ED intake on physical performance...
October 18, 2016: European Journal of Nutrition
https://www.readbyqxmd.com/read/27752982/effect-of-injury-prevention-programs-that-include-the-nordic-hamstring-exercise-on-hamstring-injury-rates-in-soccer-players-a-systematic-review-and-meta-analysis
#10
Wesam Saleh A Al Attar, Najeebullah Soomro, Peter J Sinclair, Evangelos Pappas, Ross H Sanders
BACKGROUND: Hamstring injuries are among the most common non-contact injuries in sports. The Nordic hamstring (NH) exercise has been shown to decrease risk by increasing eccentric hamstring strength. OBJECTIVE: The purpose of this systematic review and meta-analysis was to investigate the effectiveness of the injury prevention programs that included the NH exercise on reducing hamstring injury rates while factoring in athlete workload. METHODS: Two researchers independently searched for eligible studies using the following databases: the Cochrane Central Register of Controlled Trials via OvidSP, AMED (Allied and Complementary Medicine) via OvidSP, EMBASE, PubMed, MEDLINE, SPORTDiscus, Web of Science, CINAHL and AusSportMed, from inception to December 2015...
October 17, 2016: Sports Medicine
https://www.readbyqxmd.com/read/27741133/hip-arthroscopy-versus-open-surgical-dislocation-for-femoroacetabular-impingement-a-systematic-review-and-meta-analysis
#11
Dagang Zhang, Long Chen, Guanglin Wang
BACKGROUND: This meta-analysis aims to evaluate the efficacy and safety of hip arthroscopy versus open surgical dislocation for treating femoroacetabular impingement (FAI) through published clinical trials. METHODS: We conducted a comprehensive literature search using PUBMED, EMBASE, and the Cochrane Central Register of Controlled Trials databases for relevant studies on hip arthroscopy and open surgical dislocation as treatment options for FAI. RESULTS: Compared with open surgical dislocation, hip arthroscopy resulted in significantly higher Nonarthritic Hip Scores (NAHS) at 3- and 12-month follow-ups, a significant improvement in NAHS from preoperation to 3 months postoperation, and a significantly lower reoperation rate...
October 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27720891/effects-of-competition-outcome-on-testosterone-concentrations-in-humans-an-updated-meta-analysis
#12
REVIEW
Shawn N Geniole, Brian M Bird, Erika L Ruddick, Justin M Carré
A contribution to a special issue on Hormones and Human Competition. Since Archer's (2006) influential meta-analysis, there has been a major increase in the number of studies investigating the effect of competition outcome on testosterone reactivity patterns in humans. Despite this increased research output, there remains debate as to whether competition outcome modulates testosterone concentrations. The present paper examines this question using a meta-analytic approach including papers published over the last 35years...
October 6, 2016: Hormones and Behavior
https://www.readbyqxmd.com/read/27714911/effects-of-group-sports-on-health-related-physical-fitness-of-overweight-youth-a-systematic-review-and-meta-analysis
#13
Ana Oliveira, Ângela Monteiro, Cristina Jácome, Vera Afreixo, Alda Marques
Group sports interventions have been developed to improve health-related physical fitness of overweight/obese youth. However, its benefits are not systematically documented. This study synthesizes the evidence about the effects of group sports on health-related physical fitness of overweight/obese youth. Pubmed, Web of Knowledge, Scopus, Medline, CINAHL, SportDiscus, and Academic Search Complete were searched in February 2016. Studies assessing the effects of group sports on body composition, cardiorespiratory endurance, muscle strength, flexibility, and neuromotor fitness of overweight/obese youth (aged <18 years) were included...
October 7, 2016: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/27699699/the-optimal-load-for-maximal-power-production-during-upper-body-resistance-exercises-a-meta-analysis
#14
Marco Antonio Soriano, Timothy J Suchomel, Pedro J Marín
BACKGROUND: External mechanical power is considered to be one of the most important characteristics with regard to sport performance. OBJECTIVE: The purpose of this meta-analysis was to examine the effect of load on kinetic variables such as mean and peak power during bench press and bench press throw, thus integrating the findings of various studies to provide the strength and conditioning professional with more reliable evidence upon which to base their program design...
October 3, 2016: Sports Medicine
https://www.readbyqxmd.com/read/27695511/a-grounded-theory-of-positive-youth-development-through-sport-based-on-results-from-a-qualitative-meta-study
#15
Nicholas L Holt, Kacey C Neely, Linda G Slater, Martin Camiré, Jean Côté, Jessica Fraser-Thomas, Dany MacDonald, Leisha Strachan, Katherine A Tamminen
The overall purpose of this study was to create a model of positive youth development (PYD) through sport grounded in the extant qualitative literature. More specifically, the first objective was to review and evaluate qualitative studies of PYD in sport. The second objective was to analyze and synthesize findings from these studies. Following record identification and screening, 63 articles were retained for analysis. Meta-method analysis revealed strengths of studies were the use of multiple data collection and validity techniques, which produced high-quality data...
January 1, 2017: International Review of Sport and Exercise Psychology
https://www.readbyqxmd.com/read/27683348/does-sports-participation-including-level-of-performance-and-previous-injury-increase-risk-of-osteoarthritis-a-systematic-review-and-meta-analysis
#16
Gui Tran, Toby O Smith, Adam Grice, Sarah R Kingsbury, Paul McCrory, Philip G Conaghan
BACKGROUND: To assess the relationship between sport and osteoarthritis (OA), and specifically to determine whether previous participation, in terms of level (elite or non-elite), type of sport, intensity or previous injury, was associated with OA. METHODS: This systematic review was developed using PRISMA guidelines. Databases were searched (to May 2016). Narrative review and meta-analysis (with risk ratio (RR) and 95% CIs) approaches were undertaken where appropriate...
September 28, 2016: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/27664598/interventions-to-prevent-unintentional-injuries-among-adolescents-a-systematic-review-and-meta-analysis
#17
REVIEW
Rehana A Salam, Ahmed Arshad, Jai K Das, Marium Naveed Khan, Wajeeha Mahmood, Stephen B Freedman, Zulfiqar A Bhutta
Globally, every day, ∼2,300 children and adolescents succumb to unintentional injuries sustained from motor vehicle collisions, drowning, poisoning, falls, burns, and violence. The rate of deaths due to motor vehicle injuries in adolescents is 10.2 per 100,000 adolescents. We systematically reviewed published evidence to identify interventions to prevent unintentional injuries among adolescents aged 11-19 years. We defined unintentional injuries as a subset of injuries for which there was no evidence of predetermined intent, and the definition included motor vehicle injuries, suffocation, drowning, poisoning, burns, falls, and sports and recreation...
October 2016: Journal of Adolescent Health: Official Publication of the Society for Adolescent Medicine
https://www.readbyqxmd.com/read/27634919/effectiveness-of-tai-chi-for-chronic-musculoskeletal-pain-conditions-updated-systematic-review-and-meta-analysis
#18
Amanda Hall, Bethan Copsey, Helen Richmond, Jacqueline Thompson, Manuela Ferreira, Jane Latimer, Chris G Maher
BACKGROUND: Tai chi is recommended for musculoskeletal conditions; however, the evidence for its clinical effectiveness is uncertain. PURPOSE: The aim of this study was to determine whether tai chi is beneficial for clinical outcomes in people with musculoskeletal pain. DATA SOURCES: Seven databases were searched: Embase, PEDro, AMED, MEDLINE, CINAHL, SPORTDiscus, and the Cochrane Central Register of Controlled Trials. STUDY SELECTION: Randomized controlled trials of tai chi for people with a chronic musculoskeletal condition were included...
September 15, 2016: Physical Therapy
https://www.readbyqxmd.com/read/27633956/quiet-eye-and-performance-in-sport-a-meta-analysis
#19
Jean-Charles Lebeau, Sicong Liu, Camilo Sáenz-Moncaleano, Susana Sanduvete-Chaves, Salvador Chacón-Moscoso, Betsy Jane Becker, Gershon Tenenbaum
Research linking the "quiet eye" (QE) period to subsequent performance has not been systematically synthesized. In this paper we review the literature on the link between the two through non-intervention (Synthesis 1) and intervention (Synthesis 2) studies. In the first synthesis, 27 studies with 38 effect sizes resulted in a large mean effect (d̄ = 1.04) reflecting differences between experts' and novices' QE periods, and a moderate effect size (d̄ = .58) comparing QE periods for successful and unsuccessful performances within individuals...
September 16, 2016: Journal of Sport & Exercise Psychology
https://www.readbyqxmd.com/read/27633025/can-ultrasound-imaging-predict-the-development-of-achilles-and-patellar-tendinopathy-a-systematic-review-and-meta-analysis
#20
Seán McAuliffe, Karen McCreesh, Fiona Culloty, Helen Purtill, Kieran O'Sullivan
BACKGROUND: Ultrasound (US) imaging is commonly used to visualise tendon structure. It is not clear whether the presence of structural abnormalities in asymptomatic tendons predicts the development of future tendon symptoms in the Achilles or patellar tendon. AIM: To perform a systematic review and meta-analysis investigating the ability of US imaging to predict future symptoms of patellar or Achilles tendinopathy. METHODS: Prospective studies that performed US imaging of Achilles OR patellar tendon structure among asymptomatic patients at baseline and a clinical measure of pain and/or function at follow-up were included...
December 2016: British Journal of Sports Medicine
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