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https://www.readbyqxmd.com/read/28813329/ego-depletion-in-sports-highlighting-the-importance-of-self-control-strength-for-high-level-sport-performance
#1
REVIEW
Chris Englert
Athletes are constantly confronted with self-control demands, but previous research has delivered sound empirical evidence that athletes are not always capable of dealing with these demands. According to the strength model of self-control, individuals have a limited amount of self-control strength, which can become temporarily depleted following self-control demands (e.g., attention regulation). When self-control strength is depleted, that is, in a state of ego depletion, athletes are less persistent during strenuous physical exercise, are less likely to follow their exercise regimens, and tend to perform worse under pressure...
August 2017: Current Opinion in Psychology
https://www.readbyqxmd.com/read/28811750/availability-of-a-sports-dietitian-may-lead-to-improved-performance-and-recovery-of-ncaa-division-i-baseball-athletes
#2
Michael V Hull, Jonathan Neddo, Andrew R Jagim, Jonathan M Oliver, Mike Greenwood, Margaret T Jones
BACKGROUND: The purpose was to survey dietary habits (DH) and nutrient timing (NT) practices of baseball student-athletes (mean ± SD; 20.7 ± 1.4 yr.) from three NCAA Division I institutions, and examine the effect of a sports dietitian (SD) in regard to nutrition practices. METHODS: Descriptive statistics and Pearson X(2) analyses were run. Responses on 10 DH and 5 NT items differed (p ≤ 0.10) between athletes who sought dietary planning from a SD (n = 36) versus those who consulted a strength and conditioning coach (SCC, n = 42)...
2017: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/28801837/blunt-injuries-related-to-equestrian-sports-results-from-an-international-prospective-trauma-database-analysis
#3
Christian D Weber, Anthony R Nguyen, Rolf Lefering, Martijn Hofman, Frank Hildebrand, Hans-Christoph Pape
INTRODUCTION: The objective of this study was to investigate the nature, management, and outcome of major injuries related to equestrian sports and to define the at-risk groups for serious and life-threatening injuries. METHODS: We analyzed demographic, pre-hospital, clinical, and outcome data from an international population-based prospective trauma database (TraumaRegister DGU®). Patients with major injuries (Injury Severity Score [ISS] ≥9 points) related to equestrian sports activities were included (January 1, 1993, to December 31, 2012)...
August 11, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28800004/sport-specific-repeated-sprint-training-improves-punching-ability-and-upper-body-aerobic-power-in-experienced-amateur-boxers
#4
Sigitas Kamandulis, Vidas Bruzas, Pranas Mockus, Alvydas Stasiulis, Audrius Snieckus, Tomas Venckunas
High-intensity interval training improves endurance and performance, but it is unclear whether sprint-type upper-body interval training is similarly effective. This study explored the effects of 4-week sport-specific sprint interval training on punch characteristics and endurance capacity in boxers. Experienced male amateur boxers (n = 18) participated in this 4-week training study, and were divided into an experimental group (EG) and a control group (CG) (n = 9 per group). Both groups completed standard low-intensity training...
August 9, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28791650/nicotine-sporting-friend-or-foe-a-review-of-athlete-use-performance-consequences-and-other-considerations
#5
REVIEW
Toby Mündel
Nicotine use amongst athletes is high and increasing, especially in team sports. This narrative review examines the rationale behind its use and evidence of its effect on physical performance, and considers important factors that should determine future research efforts. To date, ten studies have assessed muscular strength and power, sub- or maximal endurance and high-intensity exercise when nicotine (medication) or smokeless tobacco was used as an intervention. Two studies observed an ergogenic effect, one an ergolytic with the remaining seven reporting no change...
August 8, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28789628/patellar-tendinopathy-in-young-elite-soccer-clinical-and-sonographical-analysis-of-a-german-elite-soccer-academy
#6
Gerrit Bode, Thorsten Hammer, N Karvouniaris, M J Feucht, L Konstantinidis, N P Südkamp, A Hirschmüller
BACKGROUND: The prevalence of patellar tendinopathy is elevated in elite soccer compared to less explosive sports. While the burden of training hours and load is comparably high in youth elite players (age < 23 years), little is known about the prevalence of patellar tendinopathy at this age. There is only little data available on the influence of age, the amount of training, the position on the field, as well as muscular strength, range of motion, or sonographical findings in this age group...
August 8, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28782498/results-of-arthroscopic-treatment-of-chondral-delamination-in-femoroacetabular-impingement-with-bone-marrow-stimulation-and-bst-cargel-%C3%A2
#7
Mahmoud Tahoun, Tamer Aly Shehata, Inmaculada Ormazabal, Jesús Mas, Javier Sanz, Marc Tey Pons
OBJECTIVES: The purpose of this study is to show the preliminary results of using chitosan-based scaffold (BST-CarGel(®)) with microfracture for treatment of acetabular chondral delamination associated with femoroacetabular impingement. METHODS: A prospective study was performed on 13 hips. Patients were selected in the age group between 18 and 50 years. Patients with delamination of acetabular cartilage associated with femoroacetabular impingement received arthroscopic debridement and microfracture technique...
2017: SICOT-J
https://www.readbyqxmd.com/read/28780628/surgical-excision-of-symptomatic-mature-posttraumatic-myositis-ossificans-characteristics-and-outcomes-in-32-athletes
#8
Sakari Orava, Juha-Jaakko Sinikumpu, Janne Sarimo, Lasse Lempainen, Gideon Mann, Iftach Hetsroni
PURPOSE: The purpose of this study was to report characteristics and outcomes of surgical excision of symptomatic mature posttraumatic myositis ossificans in adult athletes. The hypothesis was that surgical excision of the ossified mass in these circumstances can effectively relief symptoms and result in return to high-level sports with minimal postoperative complications. METHODS: All operations involving excision of posttraumatic heterotopic ossifications performed between 1987 and 2015 were reviewed...
August 5, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28771098/physical-preparation-recommendations-for-elite-rugby-sevens-performance
#9
Jake Schuster, Dan Howells, Julien Robineau, Anthony Couderc, Alex Natera, Nick Lumley, Tim J Gabbett, Nick Winkelman
Rugby Sevens, a new Olympic sport, features high intensity intermittent running and contact efforts over short match durations, normally six times across two to three days in a tournament format. Elite Rugby Sevens seasons often include over a dozen competitive tournaments across less than nine months, demanding deliberate and careful training-stress balance and workload management alongside development of the necessary physical qualities required for competition. Focus on running and repeated power skills, strength, and match-specific conditioning capacities is advised...
August 3, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28769849/an-inverse-relative-age-effect-in-male-alpine-skiers-at-the-absolute-top-level
#10
Øyvind Bjerke, Arve Vorland Pedersen, Tore K Aune, Håvard Lorås
The Relative Age Effect (RAE) can be described as the advantage of being born early after a certain cut-off date within a group of selection. The effect has been found across a wide range of sports and is particularly evident in pre-elite sports and team sports with a high selection pressure. At the absolute top level in team elite sports, the advantage of being relatively older has been reported to disappear, and even reverse, so that the relatively younger athletes are advantaged. In order to further examine such a reversal of the RAE, we investigated the performance of the overall top 50 skiers each year in the alpine World Cup, over a period of 20 years, among men (N = 234) and women (N = 235)...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28764939/exercise-related-cognitive-effects-on-sensory-motor-control-in-athletes-and-drummers-compared-to-non-athletes-and-other-musicians
#11
V Bianco, M Berchicci, R L Perri, F Quinzi, F Di Russo
Both playing a musical instrument and playing sport produce brain adaptations that might affect sensory-motor functions. While the benefits of sport practice have traditionally been attributed to aerobic fitness, it is still unknown whether playing an instrument might induce similar brain adaptations, or if a specific musical instrument like drums might be associated to specific benefits because of its high energy expenditure. Since the aerobic costs of playing drums was estimated to be comparable to those of average sport activities, we hypothesized that these two groups might show both behavioral and neurocognitive similarities...
July 29, 2017: Neuroscience
https://www.readbyqxmd.com/read/28762381/comorbidity-and-physical-activity-in-people-with-paraplegia-a-descriptive-cross-sectional-study
#12
L Montesinos-Magraner, P Serra-Añó, X García-Massó, L Ramírez-Garcerán, L-M González, M Á González-Viejo
STUDY DESIGN: Descriptive cross-sectional study. SETTING: The study was conducted in the Spinal Cord Injury Unit of the University Vall d'Hebron Hospital and in the Physical Education and Sports Department of the University of Valencia. OBJECTIVES: The aim of this study was to quantify the presence of comorbidities in spinal cord injury (SCI) subjects who did or did not perform regular physical activity (PA) and to identify the relationship between PA and the level of comorbidity...
August 1, 2017: Spinal Cord
https://www.readbyqxmd.com/read/28754606/prolonged-running-increases-knee-moments-in-sidestepping-and-cutting-manoeuvres-in-sport
#13
Robert J Savage, Brendan S Lay, Jodie A Wills, David G Lloyd, Tim L A Doyle
OBJECTIVES: To investigate how knee kinematics, kinetics and loading changes during sidestepping tasks following a prolonged running protocol performed in a laboratory setting. DESIGN: All participants performed sidestepping, and crossover cutting tasks in a randomised order before and after a 60min running protocol on a non-motorised treadmill that simulated an AF game. METHODS: Eight healthy male participants who partook in semi-professional and amateur Australian Football undertook a series of straight line runs, sidestepping (SS), and crossover cutting (XO) tasks before and after a simulated game of Australian football...
July 14, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28752186/low-impact-sports-activities-are-feasible-after-meniscus-transplantation-a-systematic-review
#14
REVIEW
Sue D Barber-Westin, Frank R Noyes
PURPOSE: To determine sports activities achieved after meniscus transplantation and if associations exist between sports activity levels and transplant failure or progression of tibiofemoral osteoarthritis (OA). METHODS: A systematic search was performed using PubMed and Cochrane online databases. Inclusionary criteria were English language, clinical trials published from 1996 through May 2017, minimum 2 years of follow-up, and sports activity data reported. RESULTS: Twenty-eight studies were included in which 1521 menisci were implanted into 1497 patients...
July 27, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28749151/on-the-boundary-conditions-of-effort-losses-and-effort-gains-in-action-teams
#15
Joachim Hüffmeier, Michael Filusch, Jens Mazei, Guido Hertel, Andreas Mojzisch, Stefan Krumm
While people's willingness to work hard can be reduced in teams (i.e., effort losses in teams as compared with individual work), it is less recognized that teamwork can also stimulate additional efforts (i.e., effort gains). Building on and extending existing theory, we (a) suggest an integration of these two research streams, and (b) provide evidence for team-related effort gains in action teams. In a first study, we tested our predictions by reanalyzing a field data set of 302,576 swimming performances in individual and relay races (Neugart & Richiardi, 2013)...
July 27, 2017: Journal of Applied Psychology
https://www.readbyqxmd.com/read/28747875/effects-of-high-definition-anodal-transcranial-direct-current-stimulation-applied-simultaneously-to-both-primary-motor-cortices-on-bimanual-sensorimotor-performance
#16
Nils H Pixa, Fabian Steinberg, Michael Doppelmayr
Many daily activities, such as tying one's shoe laces, opening a jar of jam or performing a free throw in basketball, require the skillful coordinated use of both hands. Even though the non-invasive method of transcranial direct current stimulation (tDCS) has been repeatedly shown to improve unimanual motor performance, little is known about its effects on bimanual motor performance. More knowledge about how tDCS may improve bimanual behavior would be relevant to motor recovery, e.g., in persons with bilateral impairment of hand function...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28747158/characteristics-of-disability-in-activity-of-daily-living-in-elderly-people-associated-with-locomotive-disorders
#17
Tsutomu Iwaya, Tokuhide Doi, Atsushi Seichi, Yuichi Hoshino, Toru Ogata, Masami Akai
BACKGROUND: Ageing is associated with a decline of motor function and ability to perform daily activities. Locomotive disorders are one of the major disorders resulting in adverse health condition in elderly people. Concept of Locomotive syndrome (LoS) was proposed to tackle the problems and prolong healthy life expectancy of people with locomotive disorders. To develop intervention strategy for LoS it is mandatory to investigate impairments, functional disabilities which people with locomotive disorder experience and to examine relationships among these parameters...
July 26, 2017: BMC Geriatrics
https://www.readbyqxmd.com/read/28742608/epidemiology-of-injuries-in-women-s-lacrosse-implications-for-sport-level-and-sex-specific-injury-prevention-strategies
#18
Kim D Barber Foss, Ed Le Cara, Teri McCambridge, Richard Y Hinton, Adam Kushner, Gregory D Myer
OBJECTIVE: By the end of 2013, the United States had an estimated 278 000 female lacrosse players, with half of those participating at the youth level. The effects of the sport's rapid growth on injury rates have yet to be determined. The purpose of this clinical review is to synthesize the available published data on injuries that have occurred in the sport of women's lacrosse. Of particular interest was the risk of injury based on the level of play and position. DATA SOURCES: A comprehensive literature search was performed in PubMed, High Wire Press, SPORTDiscus, Google Scholar, and Ovid using the keywords "Lacrosse Injuries," "Epidemiology Lacrosse Injuries," "Lacrosse Injury," "Lacrosse," and "Injury...
July 21, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28741186/effects-of-caffeine-supplementation-on-performance-in-ball-games
#19
REVIEW
Jingyi Shannon Chia, Laura Ann Barrett, Jia Yi Chow, Stephen Francis Burns
Although a large body of evidence exists documenting the ergogenic properties of caffeine, most studies have focused on endurance performance. However, findings from endurance sports cannot be generalized to performance in ball games where, apart from having a high level of endurance, successful athletic performances require a combination of physiological, technical and cognitive capabilities. The purpose of this review was to critically evaluate studies that have examined the effect of a single dose of caffeine in isolation on one or more of the following performance measures: total distance, sprint performance, agility, vertical jump performance and accuracy in ball games...
July 24, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28739299/surgical-treatment-of-acute-type-v-acromioclavicular-joint-dislocations-in-professional-athletes-an-anatomic-ligament-reconstruction-with-synthetic-implant-augmentation
#20
Ioannis K Triantafyllopoulos, Kalliopi Lampropoulou-Adamidou, Nikitas P Schizas, Eleftherios V Karadimas
BACKGROUND: Most acromioclavicular (AC) joint injuries occur in men in their third decade of life during high-speed or high-impact body contact sports. The management of acute complete AC joint dislocation is surgical. Current surgical techniques include anatomic reconstruction of the main restraints of the AC joint and aim to improve functional outcomes and to reduce the complication rate. METHODS: We present 10 cases of acute type V AC joint dislocation in professional athletes treated surgically with anatomic reconstruction of the coracoclavicular and AC ligaments and augmentation with the use of a synthetic polyester tape...
July 21, 2017: Journal of Shoulder and Elbow Surgery
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