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Long term athlete development

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https://www.readbyqxmd.com/read/29778829/a-qualitative-investigation-of-the-attitudes-and-beliefs-about-physical-activity-and-post-traumatic-osteoarthritis-in-young-adults-3-10-years-after-an-intra-articular-knee-injury
#1
Allison M Ezzat, Mariana Brussoni, Jackie L Whittaker, Carolyn A Emery
OBJECTIVE: To understand the influence of the injury experience on current attitudes and beliefs about physical activity (PA) and the development of post-traumatic osteoarthritis (PTOA) in youth and young adults 3-10 years after a sport-related knee injury. DESIGN: Qualitative study. SETTING: University Sports Medical/Research Center. PARTICIPANTS: 20 young adults 3-10 years subsequent to intra-articular knee injury...
May 4, 2018: Physical Therapy in Sport
https://www.readbyqxmd.com/read/29760574/seasonal-variations-in-body-composition-maximal-oxygen-uptake-and-gas-exchange-threshold-in-cross-country-skiers
#2
Metin Polat, Selcen Korkmaz Eryılmaz, Sami Aydoğan
Introduction: In order to ensure that athletes achieve their highest performance levels during competitive seasons, monitoring their long-term performance data is crucial for understanding the impact of ongoing training programs and evaluating training strategies. The present study was thus designed to investigate the variations in body composition, maximal oxygen uptake (VO2max ), and gas exchange threshold values of cross-country skiers across training phases throughout a season. Materials and methods: In total, 15 athletes who participate in international cross-country ski competitions voluntarily took part in this study...
2018: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/29722599/champions-are-racers-not-pacers-an-analysis-of-qualification-patterns-of-olympic-and-iaaf-world-championship-middle-distance-runners
#3
Brian Hanley, Florentina J Hettinga
The aim of this study was to analyse qualification patterns in middle distance running and identify whether athletes adopt theoretically optimal tactics, or whether the will to win overrides these. The performances of 295 men and 258 women finalists in the Olympic and IAAF World Championship 800 m and 1500 m events from 1999 to 2017 were analysed across all three rounds of competition. Finishing position, time and ranking amongst all competitors were found for each athlete. Position in the final was correlated with finishing position in the heats and semi-finals (all P < 0...
May 3, 2018: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29719871/a-prospective-metagenomic-and-metabolomic-analysis-of-the-impact-of-exercise-and-or-whey-protein-supplementation-on-the-gut-microbiome-of-sedentary-adults
#4
Owen Cronin, Wiley Barton, Peter Skuse, Nicholas C Penney, Isabel Garcia-Perez, Eileen F Murphy, Trevor Woods, Helena Nugent, Aine Fanning, Silvia Melgar, Eanna C Falvey, Elaine Holmes, Paul D Cotter, Orla O'Sullivan, Michael G Molloy, Fergus Shanahan
Many components of modern living exert influence on the resident intestinal microbiota of humans with resultant impact on host health. For example, exercise-associated changes in the diversity, composition, and functional profiles of microbial populations in the gut have been described in cross-sectional studies of habitual athletes. However, this relationship is also affected by changes in diet, such as changes in dietary and supplementary protein consumption, that coincide with exercise. To determine whether increasing physical activity and/or increased protein intake modulates gut microbial composition and function, we prospectively challenged healthy but sedentary adults with a short-term exercise regime, with and without concurrent daily whey protein consumption...
May 2018: MSystems
https://www.readbyqxmd.com/read/29695970/sport-specific-assessment-of-the-effectiveness-of-neuromuscular-training-in-young-athletes
#5
REVIEW
Erika Zemková, Dušan Hamar
Neuromuscular training in young athletes improves performance and decreases the risk of injuries during sports activities. These effects are primarily ascribed to the enhancement of muscle strength and power but also balance, speed and agility. However, most studies have failed to demonstrate significant improvement in these abilities. This is probably due to the fact that traditional tests do not reflect training methods (e.g., plyometric training vs. isometric or isokinetic strength testing, dynamic balance training vs...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29668309/posttraumatic-osteoarthritis-development-and-progression-in-an-ovine-model-of-partial-anterior-cruciate-ligament-transection-and-effect-of-repeated-intra-articular-methylprednisolone-acetate-injections-on-early-disease
#6
Kristen I Barton, Bryan J Heard, Johnathan L Sevick, C Ryan Martin, S M Mehdi Shekarforoush, May Chung, Yamini Achari, Cyril B Frank, Nigel G Shrive, David A Hart
BACKGROUND: Partial anterior cruciate ligament (p-ACL) ruptures are a common injury of athletes. However, few preclinical models have investigated the natural history and treatment of p-ACL injuries. PURPOSE: To (1) demonstrate whether a controlled p-ACL injury model (anteromedial band transection) develops progressive gross morphological and histological posttraumatic osteoarthritis (PTOA)-like changes at 20 and 40 weeks after the injury and (2) investigate the efficacy of repeated (0, 5, 10, and 15 weeks) intra-articular injections of methylprednisolone acetate (MPA; 80 mg/mL) in the mitigation of potential PTOA-like changes after p-ACL transection...
April 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29624450/national-athletic-trainers-association-position-statement-evaluation-management-and-outcomes-of-and-return-to-play-criteria-for-overhead-athletes-with-superior-labral-anterior-posterior-injuries
#7
Lori A Michener, Jeffrey S Abrams, Kellie C Huxel Bliven, Sue Falsone, Kevin G Laudner, Edward G McFarland, James E Tibone, Charles A Thigpen, Timothy L Uhl
OBJECTIVE:   To present recommendations for the diagnosis, management, outcomes, and return to play of athletes with superior labral anterior-posterior (SLAP) injuries. BACKGROUND:   In overhead athletes, SLAP tears are common as either acute or chronic injuries. The clinical guidelines presented here were developed based on a systematic review of the current evidence and the consensus of the writing panel. Clinicians can use these guidelines to inform decision making regarding the diagnosis, acute and long-term conservative and surgical treatment, and expected outcomes of and return-to-play guidelines for athletes with SLAP injuries...
March 2018: Journal of Athletic Training
https://www.readbyqxmd.com/read/29619800/not-just-contact-sports-significant-numbers-of-sports-related-concussions-in-cycling
#8
Ingo Helmich, Daniel von Götz, Carina Emsermann, Fu Xuanjin, Anne Griese, Ilka Lauterbach, Hedda Lausberg
BACKGROUND: Although sports-related concussions (SRCs) / mild traumatic brain injuries (mTBIs) in contact sports have recently received much attention, investigation of SRCs in cycling - a sport yielding some of the highest percentages of SRC - remains strikingly limited. In particular, rates of incidence, cycling-specific causes, and potential long-term effects of SRC have not been examined in this sport. Here, a retrospective online survey was used to investigate the incidence and potential long-term effects of SRCs among cyclists...
April 4, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29566549/mid-term-development-of-the-right-ventricle-in-competitive-athletes
#9
Patrick Krumm, Stefan Krauß, Stefanie Mangold, Tanja Zitzelsberger, Bernhard D Klumpp, Konstantin Nikolaou, Andreas M Nieß, Ulrich Kramer, Christof Burgstahler
Background Long-term intensive training induces physiological, morphological, and functional adaption of the athlete's heart. Purpose To evaluate the development of athlete's heart during a mid-term follow-up of competitive athletes using cardiac magnetic resonance (CMR). Material and Methods Eighteen competitive long-distance runners and triathletes (age 43 ± 13 years, 3 women) were prospectively examined in a longitudinal follow-up study 5.05 ± 0.6 years after baseline. CMR at 1.5-T was performed for functional and late gadolinium enhancement (LGE) imaging...
January 1, 2018: Acta Radiologica
https://www.readbyqxmd.com/read/29536262/relative-age-effects-across-and-within-female-sport-contexts-a-systematic-review-and-meta-analysis
#10
REVIEW
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...
June 2018: Sports Medicine
https://www.readbyqxmd.com/read/29521175/back-to-the-future-in-support-of-a-renewed-emphasis-on-generic-agility-training-within-sports-specific-developmental-pathways
#11
Andreas Liefeith, John Kiely, Dave Collins, Jim Richards
Perhaps as a consequence of increased specialism in training and support, the focus on engendering and maintaining agility as a generic quality has diminished within many contemporary sports performance programmes. Reflecting this, we outline a rationale suggesting that such a decreased focus represents an oversight which may be detrimental to maximising the potential of performers. We present an evidence-based argument that both generic and specific elements of agility performance should be consistently emphasised within long-term performance-training programmes...
March 9, 2018: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29506423/muscle-strength-characteristics-of-the-hamstrings-and-quadriceps-in-players-from-a-high-level-youth-football-soccer-academy
#12
Kerry Peek, Don Gatherer, Kyle J M Bennett, Job Fransen, Mark Watsford
The objective of this study was to investigate knee muscle strength characteristics in players from a high-level youth football Academy. In total, 110 players (aged 8-15 years) underwent muscle strength assessments carried out by a research physiotherapist using a computer-linked hand-held dynamometer. Results indicated that isometric hamstrings and quadriceps strength increased with age, whereas the isometric hamstring to quadriceps (H/Q) ratio decreased with age. A number of youth football players (n = 20; 18%; 95% CI: 11-27%) demonstrated isometric H/Q ratios of less than 0...
March 5, 2018: Research in Sports Medicine
https://www.readbyqxmd.com/read/29472744/properties-of-body-composition-of-female-representatives-of-the-polish-national-fencing-team-the-sabre-event
#13
Władysław Jagiełło, Jagiełło Marina, Kalina Roman Maciej, Barczyński Bartłomiej Jan, Litwiniuk Artur, Klimczak Jarosław
Fencing is a combat sport whose form of direct confrontation involves hitting the opponent with a weapon. The purpose of the study was to determine the properties of body composition of female representatives of the Polish national fencing team. The study involved 11 female athletes of the Polish national fencing team. Their age was 16-22 years (19±2.32), body weight 52-78 kg (59.7±7.4), body height 158-183 cm (167.46±6.10) and the training experience 7.64±3.47 years. The reference group consisted of 153 students of Warsaw University of Technology (Poland)...
December 2017: Biology of Sport
https://www.readbyqxmd.com/read/29456902/review-of-assessment-scales-for-diagnosing-and-monitoring-sports-related-concussion
#14
REVIEW
Alexa M Dessy, Frank J Yuk, Akbar Y Maniya, Alex Gometz, Jonathan J Rasouli, Mark R Lovell, Tanvir F Choudhri
Sports-related concussion has emerged as a public health crisis due to increased diagnosis of the condition and increased participation in organized and recreational athletics worldwide. Under-recognition of concussions can lead to premature clearance for athletic participation, leaving athletes vulnerable to repeat injury and subsequent short- and long-term complications. There is overwhelming evidence that assessment and management of sports-related concussions should involve a multifaceted approach. A number of assessment criteria have been developed for this purpose...
December 7, 2017: Curēus
https://www.readbyqxmd.com/read/29438635/twenty-year-follow-up-study-comparing-operative-versus-nonoperative-treatment-of-anterior-cruciate-ligament-ruptures-in-high-level-athletes
#15
Daan T van Yperen, Max Reijman, Eline M van Es, Sita M A Bierma-Zeinstra, Duncan E Meuffels
BACKGROUND: An anterior cruciate ligament (ACL) rupture has major consequences at midterm follow-up, with an increasing chance of developing an old knee in a young patient. The long-term (≥20 years) effects of the operative and nonoperative treatment of ACL ruptures are still unclear. PURPOSE: To compare the long-term treatment outcomes of operative versus nonoperative treatment of ACL ruptures in high-level athletes. STUDY DESIGN: Cohort study; Level of evidence, 2...
April 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29435691/common-data-elements-collected-among-universities-for-sport-related-concussion-studies
#16
Jingzhen Yang, Corinne Peek-Asa, James M Noble, James Torner, Paul Schmidt, Martha L Cooper
BACKGROUND: Universities are increasingly implementing programs to effectively respond to and manage sport-related concussions (SRCs). One such effort is to develop common data elements (CDEs) and standardize data collection methods. The objectives of this study were to describe CDEs currently collected by Big Ten and Ivy League universities for SRC studies, and to compare the data collected with the core CDEs recommended by the National Institute of Neurological Disorders and Stroke (NINDS)...
February 12, 2018: Injury Epidemiology
https://www.readbyqxmd.com/read/29431589/development-of-a-golf-specific-load-monitoring-tool-content-validity-and-feasibility
#17
Scott B Williams, Paul B Gastin, Anna E Saw, Sam Robertson
Athletes often record details of their training and competitions, supported by information such as environmental conditions, travel, as well as how they felt. However, it is not known how prevalent these practices are in golfers, or how valuable this process is perceived. The purpose of this study was to develop a golf-specific load monitoring tool (GLMT), and establish the content validity and feasibility of this tool amongst high-level golfers. In the first phase of development, 21 experts were surveyed to determine the suitability of items for inclusion in the GLMT...
February 12, 2018: European Journal of Sport Science
https://www.readbyqxmd.com/read/29424264/youth-resistance-training-the-good-the-bad-and-the-ugly-the-year-that-was-2017
#18
Avery D Faigenbaum
The good news is that a growing body of evidence recognizes resistance training as foundational to long-term physical development. Original research and reviews published in 2017 conclude that early exposure to developmentally appropriate resistance training can improve markers of health, increase muscular fitness, enhance physical literacy, and reduce the risk of injury in young athletes. Although the papers discussed in the commentary add to our understanding of the pleiotropic benefits of youth resistance training, they also raise concerns...
February 1, 2018: Pediatric Exercise Science
https://www.readbyqxmd.com/read/29392997/relative-age-effects-in-swiss-talent-development-a-nationwide-analysis-of-all-sports
#19
Michael Romann, Roland Rössler, Marie Javet, Oliver Faude
Relative age effects (RAE) generate consistent participation inequalities and selection biases in sports. The study aimed to investigate RAE across all sports of the national Swiss talent development programme (STDP). In this study, 18 859 youth athletes (female N = 5353; mean age: 14.8 ± 2.5 y and male N = 13 506; mean age: 14.4 ± 2.4 y) in 70 sports who participated in the 2014 competitive season were evaluated. The sample was subdivided by sex and the national level selection (NLS, N = 2464)...
February 2, 2018: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29383598/athletes-with-inguinal-disruption-benefit-from-endoscopic-totally-extraperitoneal-tep-repair
#20
M M Roos, W J Bakker, E A Goedhart, E J M M Verleisdonk, G J Clevers, C E H Voorbrood, F B M Sanders, D B Naafs, J P J Burgmans
PURPOSE: Inguinal disruption, a common condition in athletes, is a diagnostic and therapeutic challenge. The aim of this study was to evaluate the effect of endoscopic totally extraperitoneal (TEP) repair in athletes with inguinal disruption, selected through a multidisciplinary, systematic work-up. METHODS: An observational, prospective cohort study was conducted in 32 athletes with inguinal disruption. Athletes were assessed by a sports medicine physician, radiologist and hernia surgeon and underwent subsequent endoscopic TEP repair with placement of polypropylene mesh...
January 30, 2018: Hernia: the Journal of Hernias and Abdominal Wall Surgery
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