Doping prevalence among preadolescent athletes: a 4-year follow-up.

abstract：AIM:There is little information on the plasma free amino acid patterns of elite athletes against which fatigue and nutrition can be considered. Therefore the aim was to include analysis of this pattern in the medical screening of elite athletes during both especially intense and light training periods. METHODS:Plasma ...

journal_title：British journal of sports medicine

authors： Kingsbury KJ,Kay L,Hjelm M

更新日期：1998-03-01 00:00:00

abstract：BACKGROUND/AIM:Dupuytren disease is a fibroproliferative hand condition. The role of exposure to vibration as a risk factor has been studied with contradictory results. Since field hockey is expected to be a strong source of hand-arm vibration, we hypothesised that long-term exposure to field hockey is associated with ...

journal_title：British journal of sports medicine

authors： Broekstra DC,van den Heuvel ER,Lanting R,Harder T,Smits I,Werker PMN

更新日期：2018-10-01 00:00:00

abstract：:It is thankfully rare for extenuating circumstances to fully test the processes and procedures enshrined in national and world antidoping authorities' rules and laws. It is also thankfully very rare that a failed drugs test can have some positive implications. Antidoping laws are undoubtedly focused on ensuring fair c...

journal_title：British journal of sports medicine

authors： Weiler R,Tombides D,Urwin J,Clarke J,Verroken M

更新日期：2014-05-01 00:00:00

abstract：OBJECTIVES:To describe new WHO 2020 guidelines on physical activity and sedentary behaviour. METHODS:The guidelines were developed in accordance with WHO protocols. An expert Guideline Development Group reviewed evidence to assess associations between physical activity and sedentary behaviour for an agreed set of heal...

journal_title：British journal of sports medicine

authors： Bull FC,Al-Ansari SS,Biddle S,Borodulin K,Buman MP,Cardon G,Carty C,Chaput JP,Chastin S,Chou R,Dempsey PC,DiPietro L,Ekelund U,Firth J,Friedenreich CM,Garcia L,Gichu M,Jago R,Katzmarzyk PT,Lambert E,Leitzmann M,

更新日期：2020-12-01 00:00:00

abstract：BACKGROUND/AIM:The main purposes of this study were to determine the injury incidence and severity in Australian amateur taekwondo athletes, and to investigate potential risk factors for injury in competition taekwondo. METHODS:Data were collected at New South Wales State Championships in 2010 and 2011. Injuries were ...

journal_title：British journal of sports medicine

authors： Lystad RP,Graham PL,Poulos RG

更新日期：2013-05-01 00:00:00

abstract：BACKGROUND AND AIM:Bowling-side quadratus lumborum (QL) asymmetries have been previously reported on the dominant side in junior cricket fast bowlers using MRI. The aim of this study was to investigate QL asymmetry when measuring with two different methods; first using a small number of images with clear muscle borders...

journal_title：British journal of sports medicine

authors： Kountouris A,Portus M,Cook J

更新日期：2012-03-01 00:00:00

abstract：OBJECTIVE:To test the hypothesis that microwave hyperthermia treatment (MHT) increases heat shock proteins (HSPs) in the human vastus lateralis muscle. METHODS:Four untrained healthy male volunteers participated in this study. The lateral side of the thigh of one leg (heated leg) was heated with a microwave generator ...

journal_title：British journal of sports medicine

authors： Ogura Y,Naito H,Tsurukawa T,Ichinoseki-Sekine N,Saga N,Sugiura T,Katamoto S

更新日期：2007-07-01 00:00:00

abstract：OBJECTIVES:To investigate the validity and reliability of surface electromyography (EMG) as a new non-invasive determinant of the metabolic response to incremental exercise in elite cyclists. The relation between EMG activity and other more conventional methods for analysing the aerobic-anaerobic transition such as blo...

journal_title：British journal of sports medicine

authors： Lucía A,Sánchez O,Carvajal A,Chicharro JL

更新日期：1999-06-01 00:00:00

abstract：OBJECTIVE:To examine temporal trends in participation in sport and exercise activities in England between 1997 and 2006 while taking into account wider societal changes. DESIGN:A series of annual cross-sectional surveys. SETTING AND PARTICIPANTS:Nationally representative samples of men (n = 27 217) and women (n = 33 ...

journal_title：British journal of sports medicine

authors： Stamatakis E,Chaudhury M

更新日期：2008-11-01 00:00:00

abstract：:The Executive Committee of the International Ankle Consortium presents this 2016 position paper with recommendations for information implementation and continued research based on the paradigm that lateral ankle sprain (LAS), and the development of chronic ankle instability (CAI), serve as a conduit to a significant g...

journal_title：British journal of sports medicine

authors： Gribble PA,Bleakley CM,Caulfield BM,Docherty CL,Fourchet F,Fong DT,Hertel J,Hiller CE,Kaminski TW,McKeon PO,Refshauge KM,Verhagen EA,Vicenzino BT,Wikstrom EA,Delahunt E

更新日期：2016-12-01 00:00:00

abstract：:The indiscriminate use of caffeine by people of all ages may present health hazards. The public at large needs to be more informed of the presence of caffeine in commonly consumed foods and beverages, particularly by infants, children and pregnant women. It is the responsibility of all consumers to investigate the caf...

journal_title：British journal of sports medicine

authors： Jacobson BH,Kulling FA

更新日期：1989-03-01 00:00:00

abstract：OBJECTIVE:To compare injury rates among professional men's football teams that have a winter break in their league season schedule with corresponding rates in teams that do not. METHODS:56 football teams from 15 European countries were prospectively followed for seven seasons (2010/2011-2016/2017)-a total of 155 team-...

journal_title：British journal of sports medicine

authors： Ekstrand J,Spreco A,Davison M

更新日期：2019-10-01 00:00:00

abstract：BACKGROUND:Prevention of sport injuries and illnesses is a focus for epidemiological surveillance. OBJECTIVES:To record and analyse all sports injuries and illnesses registered during the second Asian Beach Games. DESIGN:A descriptive epidemiological study using the International Olympic Committee Surveillance system...

journal_title：British journal of sports medicine

authors： Al-Shaqsi S,Al-Kashmiri A,Al-Risi A,Al-Mawali S

更新日期：2012-09-01 00:00:00

abstract：OBJECTIVE:To establish the relation between handball playing, passive hip range of motion (ROM), and the development of radiological hip osteoarthritis (OA) in former elite handball players. Two related issues are addressed: (a) the relation between long term elite handball playing and the incidence of hip OA; (b) the ...

journal_title：British journal of sports medicine

authors： L'Hermette M,Polle G,Tourny-Chollet C,Dujardin F

更新日期：2006-01-01 00:00:00

abstract：:A medical and scientific multidisciplinary consensus meeting was held from 29 to 30 November 2013 on Anti-Doping in Sport at the Home of FIFA in Zurich, Switzerland, to create a roadmap for the implementation of the 2015 World Anti-Doping Code. The consensus statement and accompanying papers set out the priorities for...

journal_title：British journal of sports medicine

authors： Dvorak J,Baume N,Botré F,Broséus J,Budgett R,Frey WO,Geyer H,Harcourt PR,Ho D,Howman D,Isola V,Lundby C,Marclay F,Peytavin A,Pipe A,Pitsiladis YP,Reichel C,Robinson N,Rodchenkov G,Saugy M,Sayegh S,Segura J,The

更新日期：2014-05-01 00:00:00

abstract：:A limitation to the accurate study of muscle injuries and their management has been the lack of a uniform approach to the categorisation and grading of muscle injuries. The goal of this narrative review was to provide a framework from which to understand the historical progression of the classification and grading of ...

journal_title：British journal of sports medicine

authors： Hamilton B,Valle X,Rodas G,Til L,Grive RP,Rincon JA,Tol JL

更新日期：2015-03-01 00:00:00

abstract：:Team sports are increasingly popular, with millions of participants worldwide. Athletes engaged in these sports are required to repeatedly produce skilful actions and maximal or near-maximal efforts (eg, accelerations, changes in pace and direction, sprints, jumps and kicks), interspersed with brief recovery intervals...

journal_title：British journal of sports medicine

authors： Bishop DJ,Girard O

更新日期：2013-12-01 00:00:00

abstract：:Acclimatisation to environmental hypoxia initiates a series of metabolic and musculocardio-respiratory adaptations that influence oxygen transport and utilisation, or better still, being born and raised at altitude, is necessary to achieve optimal physical performance at altitude, scientific evidence to support the po...

journal_title：British journal of sports medicine

authors： Bailey DM,Davies B

更新日期：1997-09-01 00:00:00

abstract：OBJECTIVE:When appraising the quality of randomised clinical trial (RCTs) on the merits of exercise therapy, we typically limit our assessment to the quality of the methods. However, heterogeneity across studies can also be caused by differences in the quality of the exercise interventions (ie, 'the potential effective...

journal_title：British journal of sports medicine

authors： Hoogeboom TJ,Kousemaker MC,van Meeteren NL,Howe T,Bo K,Tugwell P,Ferreira M,de Bie RA,van den Ende CH,Stevens-Lapsley JE

更新日期：2020-11-03 00:00:00

abstract：:There is little information on the application of generalized prediction equations to ethnic groups other than Europeans and groups of European descent. The purpose of this study was to crossvalidate conventional equations on a group of 56 Chinese adults. Body density was assessed by underwater weighing and also predi...

journal_title：British journal of sports medicine

authors： Eston RG,Fu F,Fung L

更新日期：1995-03-01 00:00:00

abstract：BACKGROUND:Mild cognitive impairment (MCI) is a well-recognised risk factor for dementia and represents a vital opportunity for intervening. Exercise is a promising strategy for combating cognitive decline by improving brain structure and function. Specifically, aerobic training (AT) improved spatial memory and hippoca...

journal_title：British journal of sports medicine

authors： ten Brinke LF,Bolandzadeh N,Nagamatsu LS,Hsu CL,Davis JC,Miran-Khan K,Liu-Ambrose T

更新日期：2015-02-01 00:00:00

abstract：:In this study, genotype frequencies of several polymorphisms that are candidates to influence sports performance (ie, ACTN3 R577X, ACE ID, PPARGC1A Gly482Ser, AMPD1 C34T, CKMM 985bp/1170bp and GDF8 (myostatin) K153R) were compared in 123 nonathletic controls, 50 professional cyclists, 52 Olympic-class runners and 39 w...

journal_title：British journal of sports medicine

authors： Muniesa CA,González-Freire M,Santiago C,Lao JI,Buxens A,Rubio JC,Martín MA,Arenas J,Gomez-Gallego F,Lucia A

更新日期：2010-09-01 00:00:00

abstract：OBJECTIVES:To examine the attitudes to, and knowledge of, doping in sport of French general practitioners (GPs), and their contact with drug taking athletes on an everyday basis. METHODS:A total of 402 GPs were randomly selected from all over France and interviewed by telephone, using a prepared script. RESULTS:The r...

journal_title：British journal of sports medicine

authors： Laure P,Binsinger C,Lecerf T

更新日期：2003-08-01 00:00:00

abstract：OBJECTIVE:To assess the incidence, severity and nature of injuries, to determine risk factors for injury and to identify potential injury prevention strategies in men's international Rugby-7s tournaments. DESIGN:A prospective cohort study. PARTICIPANTS:Players from core teams competing in matches at 6 Sevens World Se...

journal_title：British journal of sports medicine

authors： Fuller CW,Taylor AE,Raftery M

更新日期：2016-06-01 00:00:00

abstract：OBJECTIVE:To describe the anthropometric and physical performance characteristics of a sample of senior A club rugby players and to highlight differences between the positional categories of the players within the forwards and backs. METHODS:94 senior A male rugby players were assessed on a number of anthropometric an...

journal_title：British journal of sports medicine

authors： Quarrie KL,Handcock P,Toomey MJ,Waller AE

更新日期：1996-03-01 00:00:00

abstract：:Athletes such as skaters and skiers inhale large volumes of cold air during exercise and shift from nasal to mouth breathing. Endurance athletes, like cross-country skiers, perform at 80% or more of their maximal oxygen consumption and have minute ventilations in excess of 100 l/min. Cold air is always dry, and endura...

journal_title：British journal of sports medicine

authors： Sue-Chu M

更新日期：2012-05-01 00:00:00

abstract：:The cases are reported of three off road cyclists with isolated soft tissue injuries to the right lower leg, caused by the chain ring as they struggled to release their feet from clipless pedals. Correct adjustment of the pedals to facilitate quick release of the feet is required to prevent such injuries. ...

journal_title：British journal of sports medicine

authors： Patel ND

更新日期：2004-06-01 00:00:00

abstract：BACKGROUND:Older people are at high risk of physical inactivity. Activity trackers can facilitate physical activity. We aimed to investigate the effect of interventions using activity trackers on physical activity, mobility, quality of life and mental health among people aged 60+ years. METHODS:For this systematic rev...

journal_title：British journal of sports medicine

authors： S Oliveira J,Sherrington C,R Y Zheng E,Franco MR,Tiedemann A

更新日期：2020-10-01 00:00:00

abstract：OBJECTIVE:To use the meta-analytical procedures to determine the magnitude of the effect of exercise-induced dehydration (EID) upon time-trial (TT) exercise performance. METHODS:Studies were located via database searches and cross-referencing. TT performance outcomes were converted to mean percentage changes in power ...

journal_title：British journal of sports medicine

authors： Goulet ED

更新日期：2011-11-01 00:00:00

abstract：OBJECTIVES:To measure the long term effects of dance training and the contribution of the timing and duration of any menstrual disruption on bone mineral density (BMD). DESIGN:Measurement of BMD in 57 premenopausal, previously professionally dance trained women and the relationship to menstrual and training history. ...

journal_title：British journal of sports medicine

authors： Keay N,Fogelman I,Blake G

更新日期：1997-06-01 00:00:00