abstract：:The aims of this study were to assess the durations of the different arm and leg stroke phases (propulsion, glide, and recovery) and the temporal arm-leg gaps between 12 competitive and 12 recreational breaststroke swimmers. The mean ages and best times for a 50-m breaststroke were, respectively, (recreational: 16.9+/...

journal_title：Journal of science and medicine in sport

authors： Leblanc H,Seifert L,Chollet D

更新日期：2009-05-01 00:00:00

abstract：:A paucity of empirical research exists into surf lifesaving competition from which coaches and athletes may formulate training and recovery strategies. Seventeen (male=9; female=8) high-performance surf lifesavers (21.2+/-3.9 years) contested multiple rounds of team and individual events at a 2-day surf lifesaving com...

journal_title：Journal of science and medicine in sport

authors： Sinclair WH,Kerr RM,Spinks WL,Leicht AS

更新日期：2009-01-01 00:00:00

abstract：:Despite frequent media accounts of drownings in the United Arab Emirates, little was known about the epidemiology and prevention of such incidents. The research objective was to assess newspapers as a national source on incidence, activities, and risk factors for drowning in this high-income media-rich developing coun...

journal_title：Journal of science and medicine in sport

authors： Barss P,Subait OM,Ali MH,Grivna M

更新日期：2009-01-01 00:00:00

abstract：:The current schedule of the Brazilian Soccer Championship may not give players enough recovery time between games. This could increase the chances of muscle damage and impaired performance. We hypothesized that plasma creatine kinase (CK) activity could be a reliable indirect marker of muscle overload in soccer player...

journal_title：Journal of science and medicine in sport

authors： Lazarim FL,Antunes-Neto JM,da Silva FO,Nunes LA,Bassini-Cameron A,Cameron LC,Alves AA,Brenzikofer R,de Macedo DV

更新日期：2009-01-01 00:00:00

abstract：:The aim was to investigate the effects of fatigue induced by electrical stimulation superimposed onto voluntary muscular contractions on postural abilities and strategy (n=8). Two groups of subjects performed a fatiguing of the triceps surae, the first by voluntary muscular contractions (group VOL) and the second (n=8...

journal_title：Journal of science and medicine in sport

authors： Bizid R,Jully JL,Gonzalez G,François Y,Dupui P,Paillard T

更新日期：2009-01-01 00:00:00

abstract：:This study examined the effects of active warm up on thermoregulatory responses and intermittent-sprint cycle performance in hot conditions (35.5+/-0.6 degrees C, RH 48.7+/-3.4%). Eight trained males performed a 36-min, intermittent-sprint test (IST) after no (WUP 0), 10-min (WUP 10) or 20-min warm up (WUP 20). The IS...

journal_title：Journal of science and medicine in sport

authors： Bishop D,Maxwell NS

更新日期：2009-01-01 00:00:00

abstract：:Physical activity is important for the health of all individuals, however, the determinants of physical activity behaviour for women who are overweight remain largely unexplored. The purpose of this investigation was to explore a range of factors that influence participation in physical activity for a group of women w...

journal_title：Journal of science and medicine in sport

authors： Jewson E,Spittle M,Casey M

更新日期：2008-11-01 00:00:00

abstract：:This study was designed to compare the acute effect of vibration exercise with a concentric-only activity (arm cranking) on concentric-only muscle action using an upper body isoinertial exercise. Twelve healthy, physically active men, 30.0y+/-6.1 (mean+/-S.D.); height 1.81m+/-0.06; and weight 83.4kg+/-9.7, performed f...

journal_title：Journal of science and medicine in sport

authors： Cochrane DJ,Stannard SR,Walmsely A,Firth EC

更新日期：2008-11-01 00:00:00

abstract：:Based on the course-of-action theory, this study performed a situated analysis of three elite aerial freestyle skiers' activity. Data were collected by observation, videotaping and self-confrontation interviews retrospectively build the athletes' activity. The analysis identified units of action, thought, and feelings...

journal_title：Journal of science and medicine in sport

authors： Hauw D,Renault G,Durand M

更新日期：2008-09-01 00:00:00

abstract：:The aim of this study was to examine the variability in physiological and perceptual responses and time-motion profiles of various small-sided soccer game (SSG) formats (2 versus 2, 4 versus 4 and 6 versus 6 players) and regimes (interval and continuous). Typical error (TE) was calculated for mean heart rate as a perc...

journal_title：Journal of science and medicine in sport

authors： Hill-Haas S,Coutts A,Rowsell G,Dawson B

更新日期：2008-09-01 00:00:00

abstract：:Tendinopathy is characterised by a disorganised, haphazard healing response with no histological signs of inflammation. Research on tendon injuries is limited to the description of the condition and its management, and the pathogenesis is still ill defined. Together with known intrinsic and extrinsic factors, genetics...

journal_title：Journal of science and medicine in sport

authors： Magra M,Maffulli N

更新日期：2008-06-01 00:00:00

abstract：:Our purpose was to assess the effect of wearing close-fitting neoprene shorts on swinging leg movement discrimination (MD) scores in elite level Australian Football players. Twenty players had their swinging leg MD assessed using the active movement extent discrimination apparatus (AMEDA), once wearing close-fitting n...

journal_title：Journal of science and medicine in sport

authors： Cameron ML,Adams RD,Maher CG

更新日期：2008-06-01 00:00:00

abstract：:To delineate and compare the isokinetic neck strength profile of senior elite rugby players. One hundred and eighty-nine rugby players (mean; 95% confidence intervals: 24.31; 23.87-24.75 years) were sampled from South African provincial teams and assessed anthropometrically and isokinetically according to a set protoc...

journal_title：Journal of science and medicine in sport

authors： Olivier PE,Du Toit DE

更新日期：2008-04-01 00:00:00

abstract：:The purpose of this investigation was to determine if a single set of strenuous squat exercise would result in an acute oxidative stress, as demonstrated previously by a single sprint. Thirteen resistance trained men performed one set of 15 repetitions of barbell squats using 70% of one repetition maximum and a 30 s m...

journal_title：Journal of science and medicine in sport

authors： Bloomer RJ,Fry AC,Falvo MJ,Moore CA

更新日期：2007-12-01 00:00:00

abstract：:Historically, research into possible causes of exercise-induced fatigue has been found to span numerous scientific disciplines, including medicine, psychology, physiology, neurophysiology, biochemistry, biomechanics, and physics. In order to better understand the mechanisms responsible for fatigue, these disciplines h...

journal_title：Journal of science and medicine in sport

authors： Abbiss CR,Laursen PB

更新日期：2007-10-01 00:00:00

abstract：:Many overweight and obese individuals have difficulty in performing aerobic fitness tests that require maximal exertion. Therefore, the purpose of this study was to investigate the reliability of the Aerobic Power Index (API) submaximal aerobic exercise test, as well as associated variables consisting of oxygen uptake...

journal_title：Journal of science and medicine in sport

authors： Wallman KE,Campbell L

更新日期：2007-06-01 00:00:00

abstract：BACKGROUND:An estimated 2.7 million non-fatal unintentional sports and recreational injuries are treated in U.S. hospital emergency departments (EDs) annually. However, little is known about the number of sports and recreational injuries resulting from violent behavior. METHODS:Data for 2001-2003 on sports and recreat...

journal_title：Journal of science and medicine in sport

authors： Conn JM,Annest JL,Bossarte RM,Gilchrist J

更新日期：2006-12-01 00:00:00

abstract：:Low levels of physical activity coupled with high levels of television viewing have been linked with obesity in children. The objective of this study was to assess the efficacy of 'Switch Off-Get Active', a 16-week controlled health education intervention, in increasing physical activity and reducing screen time and B...

journal_title：Journal of science and medicine in sport

authors： Harrison M,Burns CF,McGuinness M,Heslin J,Murphy NM

更新日期：2006-10-01 00:00:00

abstract：:The purpose of this investigation was to examine the combined effects of hydration and exercise heat stress on choice reaction time. On three separate occasions eight male subjects performed cycle exercise at approximately 70% of peak power output in warm, humid conditions (31 degrees C, 63% relative humidity) for a m...

journal_title：Journal of science and medicine in sport

authors： Serwah N,Marino FE

更新日期：2006-05-01 00:00:00

abstract：:We challenge the tradition of fitness testing in schools on the basis of purpose, procedures and outcomes. A number of assumptions about validity of selected tests are raised. The need to be able to track fitness through childhood into adulthood is challenged with limited scientific evidence of longitudinal tracking. ...

journal_title：Journal of science and medicine in sport

authors： Naughton GA,Carlson JS,Greene DA

更新日期：2006-05-01 00:00:00

abstract：:Jones's control model was adopted to investigate differences in the labelling of symptoms associated with pre-competition anxiety and self-confidence as a function of goal attainment expectation and competition goal generation. Team sport performers (N = 96) were divided into outcome, performance and process goal grou...

journal_title：Journal of science and medicine in sport

authors： O'Brien M,Hanton S,Mellalieu SD

更新日期：2005-12-01 00:00:00

abstract：OBJECTIVE:To reduce the number of transgressions to the rule, the occurrence of violent acts and to prevent injuries, Hockey Québec adopted the Fair-Play Program (FPP). The objective of the present study was to evaluate the effectiveness of the FPP. METHODS:52 Bantam (14-15 years) teams participated in this cohort stu...

journal_title：Journal of science and medicine in sport

authors： Brunelle JP,Goulet C,Arguin H

更新日期：2005-09-01 00:00:00

abstract：:While taper is a well-established practice in most endurance sports, no study has investigated the effects of taper on repeated-sprint ability (RSA). Eleven female, recreational, team-sport athletes (mean+/-SD: age = 19+/-3 y, VO2max = 39.0+/-6.4 mLxkg(-1)xmin(-1)) trained intensively three times per week for six week...

journal_title：Journal of science and medicine in sport

authors： Bishop D,Edge J

更新日期：2005-06-01 00:00:00

abstract：:The aim of the present study was to evaluate and compare the upper-body aerobic fitness characteristics in 2 groups of competitive surfers with different performance levels. Thirteen male competitive surfers performed an incremental dry-land board paddling test to determine specific peak oxygen uptake (VO2peak), peak ...

journal_title：Journal of science and medicine in sport

authors： Méndez-Villanueva A,Perez-Landaluce J,Bishop D,Fernandez-García B,Ortolano R,Leibar X,Terrados N

更新日期：2005-03-01 00:00:00

abstract：:Sports-related injuries are a significant health problem within Australia, and constitute a national health priority. There is limited Australian research data available on factors that contribute to triathlon injuries, and in particular on how training patterns relate to injury risk. This study examined the associati...

journal_title：Journal of science and medicine in sport

authors： Shaw T,Howat P,Trainor M,Maycock B

更新日期：2004-12-01 00:00:00

abstract：:Osteoarthritis (OA) is the most common form of arthritis and is a major cause of disability in people aged over 65. Despite the major socioeconomic burden imposed by OA, the aetiology of this condition remains unclear. Although controversial, several metabolic factors have been implicated in the disease pathogenesis. ...

journal_title：Journal of science and medicine in sport

authors： Jackson BD,Wluka AE,Teichtahl AJ,Morris ME,Cicuttini FM

更新日期：2004-09-01 00:00:00

abstract：:The purpose of this study was to determine if three training loads equated by volume differed in terms of the temporal, kinematic and kinetic characteristics of each set. Twelve experienced weightlifters (30.2+/-10.6 years old and 75.8+/-13.0 kg) performed three sets (6 x 30% 1RM, 3 x 60% 1RM and 2 x 90% 1RM) of balli...

journal_title：Journal of science and medicine in sport

authors： Cronin J,Crewther B

更新日期：2004-06-01 00:00:00

abstract：:This study examined the relationship between the bowling workload of first-class fast bowlers and injury with the aim of identifying a "safe" fast bowling workload threshold. Twelve male fast bowlers (mean age 25 years) from an Australian state cricket squad were observed for the 1999--2000 cricket season. Workload wa...

journal_title：Journal of science and medicine in sport

authors： Dennis R,Farhart P,Clements M,Ledwidge H

更新日期：2004-06-01 00:00:00

abstract：:The epidemiological rationale for a focus on physical activity (PA) among Aboriginal and Torres Strait Islander (ATSI) people is compelling. PA programs have significant potential to benefit ATSI people and their communities through their contribution to reducing chronic disease, improving physical and mental health a...

journal_title：Journal of science and medicine in sport

authors： Shilton TR,Brown WJ

更新日期：2004-04-01 00:00:00

abstract：:The purpose of this study was to assess the validity and reliability of a Cosmed K4b2 portable telemetric gas analysis system. Twelve physically fit males performed a treadmill running session consisting of an easy 10 min run, a hard 3 min run and a 1 min sprint (with rest periods of 10 min separating each run), on fo...

journal_title：Journal of science and medicine in sport

authors： Duffield R,Dawson B,Pinnington HC,Wong P

更新日期：2004-03-01 00:00:00

abstract：INTRODUCTION:Injuries sustained by Australian Defence Force (ADF) personnel during non-combat military training and sports activity are associated with increasing costs due to work days lost, medical treatment, compensation, and early retirement. In 2001, the ADF commissioned a systematic review of the evidence-base fo...

journal_title：Journal of science and medicine in sport

authors： Sherrard J,Lenné M,Cassell E,Stokes M,Ozanne-Smith J

更新日期：2004-03-01 00:00:00

abstract：:This study investigated the amount of physical activity that occurs during normal working hours, highlighting the occupational differences in physical activity by occupational category. Data were collected by means of a self-administered questionnaire (Tecumseh Occupational Physical Activity Questionnaire [TOQ]), whic...

journal_title：Journal of science and medicine in sport

authors： Steele R,Mummery K

更新日期：2003-12-01 00:00:00

abstract：:Prior electromyographic (EMG) analyses of the tennis serve have focused on the muscles in the hitting arm and shoulder region. This preliminary study aimed to examine the muscle activation patterns of selected lower trunk muscles during three different types of tennis serve--flat, topspin, and slice. Five male highly ...

journal_title：Journal of science and medicine in sport

authors： Chow JW,Shim JH,Lim YT

更新日期：2003-12-01 00:00:00

abstract：:The purpose of the present study was to accurately and reliably analyse the nature of movement undertaken by National Rugby League (NRL) referees during matches played in the 2000 season. The movements of NRL referees (n=5) were analysed from videotape footage of ten games. The researchers assigned each movement to on...

journal_title：Journal of science and medicine in sport

authors： Kay B,Gill ND

更新日期：2003-09-01 00:00:00

abstract：:The progress of injury prevention research in Australian football to date has been slow despite its recognition as a public health goal. In particular, field-based studies to identify injury risk factors and evaluate the effectiveness of injury prevention strategies need to be undertaken to ensure safety gains in this...

journal_title：Journal of science and medicine in sport

authors： Gabbe B,Finch CF,Wajswelner H,Bennell K

更新日期：2003-06-01 00:00:00

abstract：:This study evaluated changes in range of motion (ROM) in competitive male and female junior tennis players participating in a specific conditioning program over a two-year period. Subjects were also compared to an age and sex-matched control group of players not performing the exercises. Fifty-one tennis players, 29 m...

journal_title：Journal of science and medicine in sport

authors： Kibler WB,Chandler TJ

更新日期：2003-03-01 00:00:00

abstract：:The purpose of this study was to assess the ability of observers to use voice-recognition analysis to accurately classify gait transitions and quantify gait durations typical of team games. Inter-rater and intra-rater reliability was also determined. Four males were filmed performing pre-determined gait protocols. eac...

journal_title：Journal of science and medicine in sport

authors： Schokman P,Le Rossignol PF,Sparrow WA

更新日期：2002-12-01 00:00:00

abstract：:This study was undertaken to assess the reproducibility of a variable intensitycycling protocol using subjects of varying abilities, under warm humid conditions. Eleven subjects (Age 21.4+/-2.6 years; VO2peak 3.30+/-0.9 l x min(-1); peak power 322.8+/-86.3 W; mean+/-SD) performed a 60 min cycling trial punctuated with...

journal_title：Journal of science and medicine in sport

authors： Marino FE,Kay D,Cannon J,Serwach N,Hilder M

更新日期：2002-06-01 00:00:00

abstract：:The relationships between lower limb strength and two Australian football (AF) skills were assessed for 19 sub-elite AF players. Knee extension (KE) and knee flexion (KF) strength were assessed using a Biodex isokinetic dynamometer at angular velocities of 60, 240 and 360 degrees/sec. The two AF skills evaluated were ...

journal_title：Journal of science and medicine in sport

authors： Saliba L,Hrysomallis C

更新日期：2001-09-01 00:00:00

abstract：:This study determined the pacing strategies and performance responses of six well-trained cyclists/triathletes (peak O2 uptake 66.4+/-3.7 ml x kg(-1) x min(-1), mean+/-SD) during seven simulated time-trials (TT) conducted on a wind-braked cycle ergometer. All subjects first performed a 40 km familiarisation ride (TT1)...

journal_title：Journal of science and medicine in sport

authors： Nikolopoulos V,Arkinstall MJ,Hawley JA

更新日期：2001-06-01 00:00:00