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https://www.readbyqxmd.com/read/29339994/the-second-to-fourth-digit-ratio-in-elite-and-non-elite-greco-roman-wrestlers
#1
Mohammad Keshavarz, Mahdi Bayati, Babak Farzad, Amirbahador Dakhili, Hamid Agha-Alinejad
A low second-to-fourth digit ratio (2D:4D) has been reported to correlate with high performance and athletic potential of an individual in sport. It has been suggested that 2D:4D is a relatively weak predictor of strength and a stronger predictor of efficiency in aerobic exercise. Comparing extreme groups on a continuum of sports performance requiring high power (physical strength) output would be helpful to resolve this issue. Therefore, the purpose of the present study was to compare the 2D:4D ratio of world-class elite Greco-Roman wrestlers (n = 10) taking part in Olympic fitness camps in 2013 with the 2D:4D ratio of non-elite collegiate wrestlers (n = 20), and age-matched sedentary males (n = 40)...
December 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/29327828/the-acute-effects-of-stretching-with-vibration-on-dynamic-flexibility-in-young-female-gymnasts
#2
Aaron W Johnson, Caisa N Warcup, Matthew K Seeley, Dennis Eggett, Jeffery B Feland
BACKGROUND: While stretching with vibration has been shown to improve static flexibility; the effect of stretching with vibration on dynamic flexibility is not well known. The purpose of this study was to examine the effectiveness of stretching with vibration on acute dynamic flexibility and jump height in novice and advanced competitive female gymnasts during a split jump. METHODS: Female gymnast (n=27, age: 11.5 ± 1.7 years, Junior Olympic levels 5-10) participated in this cross-over study...
January 10, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29326890/how-can-we-reduce-injuries-and-illnesses-among-athletes-during-the-pyeongchang-2018-olympic-winter-games
#3
EDITORIAL
Sun Huh
No abstract text is available yet for this article.
December 2017: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/29324239/how-do-glutathione-antioxidant-enzymes-and-total-antioxidant-status-respond-to-air-pollution-exposure
#4
Zeinab Farhat, Richard W Browne, Matthew R Bonner, Lili Tian, Furong Deng, Mya Swanson, Lina Mu
This study aims to investigate how antioxidant enzyme activity and overall antioxidant capacity respond to short-term changes in exposure to air pollution. 201 participants were recruited before- and followed up during- and after- the 2008 Beijing Olympics. Serum levels of antioxidant enzymes including glutathione S-transferases (GST), glutathione peroxidase (GPx), glutathione reductase (GR), and total antioxidant status (TAS) were measured. We used linear mixed-effects models to compare changes in antioxidant enzymes across the three periods after adjusting for potential confounding factors...
January 8, 2018: Environment International
https://www.readbyqxmd.com/read/29298754/correction-international-olympic-committee-consensus-statement-on-pain-management-in-elite-athletes
#5
(no author information available yet)
No abstract text is available yet for this article.
January 3, 2018: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29291269/evaluating-the-predictability-of-distance-race-performance-in-ncaa-cross-country-and-track-and-field-from-high-school-race-times-in-the-united-states
#6
Jamie L Brusa
Successful recruiting for collegiate track & field athletes has become a more competitive and essential component of coaching. This study aims to determine the relationship between race performances of distance runners at the United States high school and National Collegiate Athletic Association (NCAA) levels. Conditional inference classification tree models were built and analysed to predict the probability that runners would qualify for the NCAA Division I National Cross Country Meet and/or the East or West NCAA Division I Outdoor Track & Field Preliminary Round based on their high school race times in the 800 m, 1600 m, and 3200 m...
December 30, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29286278/the-2017-seventh-world-congress-of-paediatric-cardiology-and-cardiac-surgery-the-olympics-of-our-profession
#7
Mitchell I Cohen, Jeffrey P Jacobs, Sertac Cicek
The 1st World Congress of Paediatric Cardiology was held in London, United Kingdom, in 1980, organised by Dr Jane Somerville and Prof. Fergus Macartney. The idea was that of Jane Somerville, who worked with enormous energy and enthusiasm to bring together paediatric cardiologists and surgeons from around the world. The 2nd World Congress of Paediatric Cardiology took place in New York in 1985, organised by Bill Rashkind, Mary Ellen Engle, and Eugene Doyle. The 3rd World Congress of Paediatric Cardiology was held in Bangkok, Thailand, in 1989, organised by Chompol Vongraprateep...
December 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/29276543/an-investigation-of-home-advantage-in-the-summer-paralympic-games
#8
Darryl Wilson, Girish Ramchandani
Purpose: There is a paucity of home advantage research set in the context of para-sport events. It is this gap in the knowledge that this paper addresses by investigating the prevalence and size of home advantage in the Summer Paralympic Games. Methods: Using a standardised measure of success, we compared the performances of nations when competing at home with their own performances away from home in the competition between 1960 and 2016. Both country-level and individual sport-level analyses were conducted for this time frame...
2017: Sport Sciences for Health
https://www.readbyqxmd.com/read/29240491/sir-adolphe-abrahams-physician-and-olympics-medical-officer
#9
Harold Ellis
No abstract text is available yet for this article.
December 2, 2017: British Journal of Hospital Medicine
https://www.readbyqxmd.com/read/29238245/explaining-match-outcome-during-the-men-s-basketball-tournament-at-the-olympic-games
#10
Anthony S Leicht, Miguel A Gómez, Carl T Woods
In preparation for the Olympics, there is a limited opportunity for coaches and athletes to interact regularly with team performance indicators providing important guidance to coaches for enhanced match success at the elite level. This study examined the relationship between match outcome and team performance indicators during men's basketball tournaments at the Olympic Games. Twelve team performance indicators were collated from all men's teams and matches during the basketball tournament of the 2004-2016 Olympic Games (n = 156)...
December 2017: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/29233177/influences-of-perfectionism-and-motivational-climate-on-attitudes-towards-doping-among-korean-national-athletes-a-cross-sectional-study
#11
Moonjung Bae, Jungjoong Yoon, Hyunyong Kang, Taegyu Kim
BACKGROUND: The motives for elite athletes to dope are related primarily to maintaining and improving their physical performance. Especially, elite athletes training to compete in the Olympics may feel unique situational pressure, which may in turn induce powerful motivation for doping and predict doping behavior. This study aimed to investigate possible factors associated with attitudes towards doping in Korean national athletes who competed in the Rio 2016 Olympic Games. METHODS: A total of 198 athletes (95 female, 103 male) completed the questionnaire, which covered demographic information, doping-related experiences, Performance Enhancement Attitude Scale (PEAS), Perfectionism in Sports Scale (PSS; coach's criticism, concern over mistakes, and personal standards), and Perceived Motivational Climate in Sport Questionnaire-2 (PMCSQ-2; ego-involving and task-involving climates)...
December 12, 2017: Substance Abuse Treatment, Prevention, and Policy
https://www.readbyqxmd.com/read/29228413/estimating-vector-borne-viral-infections-in-the-urban-setting-of-the-2020-tokyo-olympics-japan-using-mathematical-modeling
#12
Hiroyuki Furuya
The first domestic outbreak of dengue fever in Japan since 1945 was reported in Tokyo in 2014. Meanwhile, daily mean summer temperatures are expected to continue to rise world-wide. Such conditions are expected to increase the risk of an arbovirus outbreak at the 2020 Tokyo Olympic Games. To address this possibility, the present study compared estimates of the risk of infection by dengue, chikungunya, and Zika viruses in urban areas. To compare the risk of infection by arboviruses transmitted by Ae. albopictus mosquitoes, the reproduction number for each of three arboviruses was estimated under the environmental conditions associated with the 2014 dengue outbreak in Tokyo, and additionally under conditions assuming a daily mean temperature elevation of 2° C...
December 20, 2017: Tokai Journal of Experimental and Clinical Medicine
https://www.readbyqxmd.com/read/29219883/zika-virus-and-the-rio-olympic-games
#13
Bruce Hamilton, Dan Exeter, Sarah Beable, Lynne Coleman, Chris Milne
OBJECTIVE: To evaluate the impact of Zika virus on preparation and management of the New Zealand (NZ) Olympic team. DESIGN: Descriptive manuscript. SETTING: New Zealand Olympic Health team preparation and management during the Rio de Janeiro Olympic Games, 2016. PATIENTS (OR PARTICIPANTS): New Zealand Olympic Team members. INTERVENTIONS (OR ASSESSMENT OF RISK FACTORS): This manuscript describes the approaches used by the NZ Olympic Health team to the minimization of risk from Zika virus...
December 1, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/29217532/imaging-detected-acute-muscle-injuries-in-athletes-participating-in-the-rio-de-janeiro-2016-summer-olympic-games
#14
Michel D Crema, Mohamed Jarraya, Lars Engebretsen, Frank W Roemer, Daichi Hayashi, Romulo Domingues, Abdalla Y Skaf, Ali Guermazi
BACKGROUND: Acute muscle injuries in elite athletes are responsible for a large portion of time loss injuries. AIM: To describe the frequency, the anatomic distribution, and severity of imaging-detected acute muscle injuries among athletes who competed in the Rio de Janeiro 2016 Summer Olympics. METHODS: We recorded all sports injuries reported by the National Olympic Committee medical teams and the Organising Committee medical staff during the 2016 Summer Olympics...
December 7, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29211262/body-mass-index-and-waist-circumference-of-latin-american-adult-athletes-with-intellectual-disability
#15
John T Foley, Meghann Lloyd, Lesley Turner, Viviene A Temple
OBJECTIVES: To examine both body mass index (BMI) status and waist circunference (WC) in a large international sample of adult Special Olympics participants from Latin America. It also explored the association of age and sex with obesity in this population. MATERIALS AND METHODS: BMI and WC records from a total of 4174 (2683 male and 1491 female) participant records from the Special Olympics International Health Promotion database were examined. RESULTS: The prevalence of overweight and obesity was quite high (i...
July 2017: Salud Pública de México
https://www.readbyqxmd.com/read/29210895/characteristics-of-upper-limb-pull-power-and-power-endurance-in-japanese-female-wrestlers
#16
Tatsuki Naka, Masaaki Kanno, Shota Shidochi, Kazuhito Sakae, Norihiro Shima
This study aimed at elucidating the characteristics of upper-limb physical strength required by female wrestlers by comparing the pull power, power endurance, and number of repetitions between female wrestlers at world and national levels. The subjects were 20 female wrestlers (8 Olympic- and/or world-class and 12 national-class top-ranking individuals). The subjects assumed a lying prone (face down) position on a bench and pulled a bar from arms length until contact with underside of bench. The weight load was increased in 10-kg steps and the upper-limb pull power was measured for each lift...
November 22, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29207570/low-levels-of-physical-activity-and-sedentary-behavior-in-adults-with-intellectual-disabilities
#17
Kelly Hsieh, Thessa I M Hilgenkamp, Sumithra Murthy, Tamar Heller, James H Rimmer
Adults with intellectual disabilities (ID) are more likely to lead sedentary lifestyles and have low levels of physical activity (LLPA). The present study investigated the prevalence of reported LLPA and time spent watching TV in adults with ID and identified the associated factors for these behaviors. The proxy informants of 1618 adults with ID completed the surveys regarding their health behaviors. Multiple logistic regressions were employed for LLPA and multiple linear regressions for time spent watching TV...
December 4, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29199781/velocity-distribution-of-women-s-30-km-cross-country-skiing-during-olympic-games-from-2002-2014
#18
Wlodzimierz S Erdmann, Dorota Dancewicz-Nosko, Vasilios Giovanis
BACKGROUND: Within several investigated endurance sport disciplines the distribution of load of the best competitors has a manner of evenly or slightly rising velocity values. Unfortunately many other competitors have usually diminishing values or when they are very poor they have evenly values. The aim of this study was to investigate distribution of velocity within 30-km cross-country female skiers. METHODS: Cross-country skiing runs were investigated of Olympic Games 2002-2014 (Salt Lake City, Turin, Vancouver, Sochi)...
December 1, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29199550/facilitating-dual-careers-by-improving-resistance-to-chronic-stress-effects-of-an-intervention-programme-for-elite-student-athletes
#19
Jeffrey Sallen, Karen Hemming, Alfred Richartz
The starting point of this contribution is the potential risk to health and performance from the combination of elite sporting careers with the pursuit of education. In European sport science and politics, structural measures to promote dual careers in elite sports have been discussed increasingly of late. In addition to organisational measures, there are calls for educational-psychological intervention programmes supporting the successful management of dual careers at the individual level. This paper presents an appropriate intervention programme and its evaluation: stress-resistance training for elite athletes (SRT-EA)...
December 3, 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/29182408/rapid-weight-loss-is-not-associated-with-competitive-success-in-elite-youth-olympic-style-boxers-in-europe
#20
Damir Zubac, Hrvoje Karnincic, Damir Sekulic
PURPOSE: The aim of this study was to examine the influence of rapid weight loss (RWL) on competitive success in elite youth Olympic-style boxers. In addition, this study examined the practice and prevalence of weight reduction, weight management protocols and related symptoms in youth boxers from twelve European countries (n=83; all males; 17.1±0.9 y). METHODS: The data were collected using an extensive questionnaire on weight cutting and its associated protocols and symptoms prior to highest-level continental championships...
November 28, 2017: International Journal of Sports Physiology and Performance
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