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https://www.readbyqxmd.com/read/28719752/return-to-sport-after-shoulder-arthroplasty-in-recreational-athletes-a-systematic-review-and-meta-analysis
#1
Florence Aim, Jean-David Werthel, Julien Deranlot, Marie Vigan, Geoffroy Nourissat
BACKGROUND: One of the most frequent demands from patients after shoulder replacement surgery is to return to sport. PURPOSE: To determine the rate of return to sport after shoulder arthroplasty (total shoulder arthroplasty, reverse shoulder arthroplasty, hemiarthroplasty) in recreational athletes. STUDY DESIGN: Meta-analysis and systematic review. METHODS: The PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines were followed to perform this systematic review and meta-analysis of the results in the literature as well as the presentation of results...
July 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28714750/-hand-in-glove-using-qualitative-methods-to-connect-research-and-practice
#2
Liam D Harper, Robert McCunn
Recent work has espoused the idea that within applied sporting environments, 'fast' working practitioners should work together with 'slow' working researchers. However, due to economical and logistical constraints, such a coupling may not always be practical. Therefore, alternative means of combining research and applied practice are needed. A particular methodology, which has been utilized in recent years, is qualitative research. Examples of qualitative methods include the use of online surveys, one-on-one interviews, and focus groups...
July 17, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28707114/the-shoulder-instability-return-to-sport-after-injury-sirsi-a-valid-and-reproducible-scale-to-quantify-psychological-readiness-to-return-to-sport-after-traumatic-shoulder-instability
#3
Antoine Gerometta, Shahnaz Klouche, Serge Herman, Nicolas Lefevre, Yoann Bohu
PURPOSE: The main goal of this study was to propose and validate a tool to quantify the psychological readiness of athletes to return to sport following traumatic shoulder instability and conservative or surgical management. METHODS: «Knee» was replaced by the term «shoulder» in the Anterior Cruciate Ligament-Return to Sport after Injury scale. This pilot test of the Shoulder Instability-Return to Sport after Injury scale (SIRSI) was performed in a group of athletes who underwent surgery for post-traumatic chronic anterior shoulder instability...
July 13, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28704626/the-effectiveness-of-neural-mobilization-for-neuro-musculoskeletal-conditions-a-systematic-review-and-meta-analysis
#4
Annalie Basson, Benita Olivier, Richard Ellis, Michel Coppieters, Aimee Stewart, Witness Mudzi
Study Design Systematic review with meta-analysis. Background Neural mobilization (NM) or neurodynamics is a movement-based intervention aimed at restoring the homeostasis in and around the nervous system. The current level of evidence for NM is largely unknown. Objectives To determine the efficacy of NM for musculoskeletal conditions with a neuropathic component. Methods Databases were searched for randomised trials investigating the effect of NM for neuro-musculoskeletal conditions. Standard methods for article identification, selection and quality appraisal were used...
July 13, 2017: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/28686081/letter-to-the-editor-concerning-the-article-bar-velocities-capable-of-optimising-the-muscle-power-in-strength-power-exercises-by-loturco-pereira-abad-tabares-moraes-kobal-kitamura-nakamura-2017
#5
Slobodan Jaric, Amador Garcia Ramos
Loturco and co-workers (2017) recently published data in the Journal of Sports Sciences to present the optimum loading magnitudes regarding the maximization of the "mean propulsive power" of the leg and arm muscles. Among the most important findings were that (1) the recorded power in the squat and squat jump exercises was markedly low, (2) the optimum external load that maximized the power in the same exercises was close to 100% of body weight, while (3) the ballistic bench press throw revealed smaller power than the regular bench press typically performed with relatively low level of muscle activation towards the end of the propulsive lifting phase...
July 7, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28683081/the-evaluation-and-planning-method-of-spanish-sport-and-physical-activity-instructors-a-comparative-study-across-gender-age-level-of-studies-and-work-experience
#6
Beatriz Bernabé, María Dolores González-Rivera, Antonio Campos-Izquierdo
The purpose of this study is to investigate the planning and the evaluation of Spanish sport and physical activity instructors as well as to analyze and compare the two variables in terms of their gender, age, level of studies and work experience. This research falls inside the quantitative type methodology of descriptive cut through standardized interview using the standardized questionnaire: "Human resources of sport and physical activity". It analyses the situation and performance of people working in functions of sport and physical activity...
2017: PloS One
https://www.readbyqxmd.com/read/28648554/the-isokinetic-rotator-cuff-strength-ratios-in-overhead-athletes-assessment-and-exercise-effect
#7
REVIEW
Kelly Berckmans, Annelies G Maenhout, Lien Matthijs, Louise Pieters, Birgit Castelein, Ann M Cools
OBJECTIVE: Muscle strength imbalance in the shoulder region can be considered as a predisposing factor in the development of movement dysfunctions, possibly leading to overuse injuries. Repetitive overhead throwing, performed in sports, may result in muscle imbalance between the external (ER) and internal (IR) rotators. Muscle strength measured with an isokinetic device, is reported as a concentric (CON) or eccentric (ECC) force. The balance between an agonist and an antagonist is mentioned as a ratio (CON/CON or ECC/CON)...
March 11, 2017: Physical Therapy in Sport
https://www.readbyqxmd.com/read/28648245/great-british-medalists-response-to-the-commentaries
#8
Lew Hardy, Matthew Barlow, Lynne Evans, Tim Rees, Tim Woodman, Chelsea Warr
Hardy et al. (2017) reported the findings of a large-scale, multisource, qualitative study that examined the commonalities of, and discriminators between, a group of super-elite (SE) and a group of elite (E) athletes who were matched on gender, sport, discipline, and era. Fifteen research teams who are actively engaged in research in the domain then provided critical commentaries on the target paper. In our response to these commentaries, we briefly remind the reader of the primary findings of the original paper and then deal with the commentaries under the subheadings: Necessary and Sufficient Conditions for Elite Performance; Mediating and Moderating Variables; Methodological Issues; Omissions; and Alternative Approaches...
2017: Progress in Brain Research
https://www.readbyqxmd.com/read/28648233/assessing-risk-factors-for-athletic-excellence
#9
Kielan Yarrow
Hardy et al. present a qualitative interview study to identify differences between elite and super-elite athletes, but their approach closely parallels the case-control methodology developed and discussed primarily within the epidemiological literature. The strengths and weaknesses of this approach may be less familiar to a psychological or sports-science audience. Here, I comment on this methodological choice and the implications it has for the robustness and value of the inferences that are drawn. I conclude that while Hardy et al...
2017: Progress in Brain Research
https://www.readbyqxmd.com/read/28644195/considerations-for-selecting-field-based-strength-and-power-fitness-tests-to-measure-asymmetries
#10
Chris Bishop, Anthony Turner, Shyam Chavda, Paul Jarvis, Paul Read
The prevalence of lower limb asymmetries has been reported in numerous studies; however, methodological differences exist in the way they can be detected. Strength and jumping-based tasks have been most commonly used to examine these differences across both athlete and non-athlete populations. The aim of this review was to critically analyze the utility of strength and jumping tests that are frequently used to measure asymmetry. Reliability, validity, and considerations for assessment are examined to enhance test accuracy and effectiveness in the quantification of asymmetries during strength and jumping-based tasks...
June 19, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28639825/sync-or-separate-no-compelling-evidence-for-unintentional-interpersonal-coordination-between-usain-bolt-and-tyson-gay-on-the-100-meter-world-record-race
#11
Frank Blikslager, Harjo J de Poel
In a recent observation article in Journal of Experimental Psychology: Human Perception and Performance (JEP:HPP; Varlet & Richardson, 2015) the 100-m sprint final of the World Championship in Athletics in Berlin of 2009 (i.e., the current world record race) was analyzed. That study reported occurrence of spontaneous, unintentional interpersonal synchronization between Usain Bolt and Tyson Gay, the respective winner and runner-up of that race. In the present commentary article, however, we argue that the results and conclusion of that study cannot be warranted because of methodological shortcomings...
July 2017: Journal of Experimental Psychology. Human Perception and Performance
https://www.readbyqxmd.com/read/28631257/the-validity-and-responsiveness-of-isometric-lower-body-multi-joint-tests-of-muscular-strength-a-systematic-review
#12
REVIEW
David Drake, Rodney Kennedy, Eric Wallace
BACKGROUND: Researchers and practitioners working in sports medicine and science require valid tests to determine the effectiveness of interventions and enhance understanding of mechanisms underpinning adaptation. Such decision making is influenced by the supportive evidence describing the validity of tests within current research. The objective of this study is to review the validity of lower body isometric multi-joint tests ability to assess muscular strength and determine the current level of supporting evidence...
December 2017: Sports Medicine—Open
https://www.readbyqxmd.com/read/28627102/quantitation-of-%C3%AE-aminobutyric-acid-in-equine-plasma-by-hydrophilic-interaction-liquid-chromatography-with-tandem-mass-spectrometry
#13
Rong Yi, Sarah Zhao, Noel Kong, Julia Zhang, Devan Loganathan, Sandrine Mérette, Barbara Morrissey
γ-Aminobutyric acid is the principal inhibitory neurotransmitter in the central nervous system and regulates the neuronal excitability. There has been anecdotal evidence that γ-aminobutyric acid has been used within a few hours prior to competition in equine sports to calm down nervous horses. However, regulating the use of γ-aminobutyric acid is challenging because it is an endogenous substance in the horse. γ-Aminobutyric acid is usually present at low ng/mL levels in equine plasma; therefore, a sensitive method has to be developed to quantify these low background levels...
June 19, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28622751/clinical-prediction-models-for-patients-with-nontraumatic-knee-pain-in-primary-care-a-systematic-review-and-internal-validation-study
#14
Guus Panken, Arianne P Verhagen, Caroline B Terwee, Martijn W Heymans
Study Design A systematic review and validation study. Background Many prognostic models of knee pain outcomes have been developed for use in primary care. Variability among published studies with regard to patient population, outcome measures, and relevant prognostic factors hampers the generalizability and implementation of these models. Objectives To summarise existing prognostic models in patients with knee pain in a primary care setting and to develop and internally validate new summary prognostic model(s)...
June 16, 2017: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/28615218/does-leisure-time-physical-activity-protect-against-low-back-pain-systematic-review-and-meta-analysis-of-36-prospective-cohort-studies
#15
REVIEW
Rahman Shiri, Kobra Falah-Hassani
BACKGROUND: There are plausible mechanisms whereby leisure time physical activity may protect against low back pain (LBP) but there have been no quality systematic reviews and meta-analyses of the subject. OBJECTIVE: This review aims to assess the effect of leisure time physical activity on non-specific LBP. METHODS: Literature searches were conducted in PubMed, Embase, Web of Science, Scopus and Google Scholar databases from their inception through July 2016...
June 14, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28591135/bioelectrical-impedance-vector-analysis-biva-for-measuring-the-hydration-status-in-young-elite-synchronized-swimmers
#16
Marta Carrasco-Marginet, Jorge Castizo-Olier, Lara Rodríguez-Zamora, Xavier Iglesias, Ferran A Rodríguez, Diego Chaverri, Daniel Brotons, Alfredo Irurtia
PURPOSE: The assessment of body hydration is a complex process, and no measurement is valid for all situations. Bioelectrical impedance vector analysis (BIVA) has emerged as a relatively novel technique for assessing hydration status in sports. We applied BIVA a) to determine hydration changes evoked by an intense synchronized swimming (SS) training session; b) to characterize the sample of young elite swimmers in relation with a nonathletic reference population; and c) to generate its 50%, 75% and 95% percentiles of the bioelectrical variables...
2017: PloS One
https://www.readbyqxmd.com/read/28582387/spanish-version-of-the-talent-development-environment-questionnaire-for-sport-cultural-adaptation-and-initial-validation
#17
Javier Brazo-Sayavera, Pedro R Olivares, Georgios Andronikos, Russell J J Martindale
This study aimed to translate the Talent Development Environment Questionnaire into Spanish and provide an initial validation. A recommended methodology for translation and cultural adaptation of questionnaires was applied. Once this had been completed, three hundred and thirty-two young athletes completed the Talent Development Environment Questionnaire. The results revealed that the five factor solution Talent Development Environment Questionnaire was confirmed. With the exclusion of one item due to low factor loading, the Talent Development Environment Questionnaire-5 had robust statistical support for its factor structure (χ2 (df = 305) = 499...
2017: PloS One
https://www.readbyqxmd.com/read/28577257/effects-of-vitamin-d-supplementation-on-serum-25-hydroxyvitamin-d-concentrations-and-physical-performance-in-athletes-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#18
REVIEW
Forough Farrokhyar, Gayathri Sivakumar, Katey Savage, Alex Koziarz, Sahab Jamshidi, Olufemi R Ayeni, Devin Peterson, Mohit Bhandari
BACKGROUND: There is currently no systematic review examining the effects of vitamin D supplementation among athletes. A rigorous systematic review and meta-analysis is important to provide a balanced view of current knowledge on the effect of vitamin D on serum 25-hydroxyvitamin D [25(OH)D] concentrations and physical performance. OBJECTIVES: This systematic review of randomized controlled trials (RCTs) evaluated the effects of oral vitamin D supplementation on serum 25(OH)D concentrations and physical performance in athletes...
June 2, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28566342/predictors-of-clinical-recovery-from-concussion-a-systematic-review
#19
REVIEW
Grant L Iverson, Andrew J Gardner, Douglas P Terry, Jennie L Ponsford, Allen K Sills, Donna K Broshek, Gary S Solomon
OBJECTIVE: A systematic review of factors that might be associated with, or influence, clinical recovery from sport-related concussion. Clinical recovery was defined functionally as a return to normal activities, including school and sports, following injury. DESIGN: Systematic review. DATA SOURCES: PubMed, PsycINFO, MEDLINE, CINAHL, Cochrane Library, EMBASE, SPORTDiscus, Scopus and Web of Science. ELIGIBILITY CRITERIA FOR SELECTING STUDIES: Studies published by June of 2016 that addressed clinical recovery from concussion...
June 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28559868/individual-alpha-peak-frequency-in-ice-hockey-shooting-performance
#20
Sommer Christie, Selenia di Fronso, Maurizio Bertollo, Penny Werthner
There are several important inter- and intra-individual variations in individual alpha peak frequency (IAPF) in the cognitive domain. The rationale for the present study was to extend the research on IAPF in the cognitive domain to IAPF in the sport domain. Specifically, the purpose of the present study was twofold: (a) to explore whether baseline IAPF is related to performance in an ice hockey shooting task and (b) to explore whether a shooting task has an effect on IAPF variability. The present investigation is one of the first studies to examine links between IAPF and sport performance...
2017: Frontiers in Psychology
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