Treatment of muscle injuries in football.

abstract：:Drug abuse by adolescents has been investigated in various surveys that reported correlations between age, gender, and activity. However, none of these studies included chemical analyses to help substantiate the statements of participants. In the present study, the urine specimens of 964 students (439 females, 525 mal...

journal_title：Journal of sports sciences

authors： Thevis M,Sauer M,Geyer H,Sigmund G,Mareck U,Schänzer W

更新日期：2008-08-01 00:00:00

abstract：:We tested hypotheses grounded in self-determination theory regarding athletes' cognitive appraisals and emotional reactions when returning to competition following a serious injury. Professional male athletes (N = 225) competing in the Australian Football League were presented with return-to-competition scenarios that...

journal_title：Journal of sports sciences

authors： Podlog L,Eklund RC

更新日期：2010-06-01 00:00:00

abstract：:In the present study, we examined the influence of shoe lacing on foot biomechanics in running. Twenty experienced rearfoot runners ran in six different lacing conditions across a force platform at a speed of 3.3 m . s(-1). Foot pronation during contact, tibial acceleration, and plantar pressure distribution of the ri...

journal_title：Journal of sports sciences

authors： Hagen M,Hennig EM

更新日期：2009-02-01 00:00:00

abstract：:The aim of the present study was to examine reliability and construct convergent validity of Player Load™ (PL) from trunk-mounted accelerometry, expressed as a cumulative measure and an intensity measure (PL · min-1). Fifteen male participants twice performed an overground football match simulation that included four ...

journal_title：Journal of sports sciences

authors： Barreira P,Robinson MA,Drust B,Nedergaard N,Raja Azidin RMF,Vanrenterghem J

更新日期：2017-09-01 00:00:00

abstract：:Muscle weakness is considered a risk factor for ankle injury. Balance training and barefoot running have been used in an attempt to strengthen the muscles crossing the ankle. It is expected that training tasks that successfully strengthen the ankle would elicit increased muscular activity. However, it is unknown how a...

journal_title：Journal of sports sciences

authors： Lucas-Cuevas AG,Baltich J,Enders H,Nigg S,Nigg B

更新日期：2016-01-01 00:00:00

abstract：:The purpose of this study was to examine whether any differences exist in the cognitive and behavioural strategies of gymnasts competing at different elite levels. Thirty-eight male gymnasts competing at different competitive levels in an Australian gymnastic championship completed a standardized questionnaire prior t...

journal_title：Journal of sports sciences

authors： Spink KS

更新日期：1990-07-01 00:00:00

abstract：:This series of four papers comprises a theoretical investigation into twisting somersaults. Both simple and complex mathematical models are used to provide an understanding of the mechanics of the production and removal of twist in somersaults. Various twisting techniques are evaluated and a method is developed for th...

journal_title：Journal of sports sciences

authors： Yeadon MR

更新日期：1993-06-01 00:00:00

abstract：:The kinematics of male wheelchair rugby players (n = 8) during the final match of the 2008 Demolition Derby were assessed using two cameras (10 Hz) and a tracking method based on image-processing techniques. The players' on-court trajectory, total and accumulated distances covered, distances covered during working and...

journal_title：Journal of sports sciences

authors： Sarro KJ,Misuta MS,Burkett B,Malone LA,Barros RM

更新日期：2010-01-01 00:00:00

abstract：:Generally, swimmers pace themselves using their own judgement and the poolside clock during swimming training, fitness testing protocols or scientific investigation. The Aquapacer is a new pacing device that can be used to pace the swimming speed or stroke rate of the swimmer. The aims of this study were to determine ...

journal_title：Journal of sports sciences

authors： Thompson KG,MacLaren DP,Lees A,Atkinson G

更新日期：2002-07-01 00:00:00

abstract：:The aim of this study was to investigate the physical demands of international rugby union. Five games in the 1989-90 Five Nations Championship were analysed using video-recordings of live television transmissions. When the ball was in open play, the average running pace of players central to the action ranged from 5 ...

journal_title：Journal of sports sciences

authors： McLean DA

更新日期：1992-06-01 00:00:00

abstract：:The aim of this study is to examine the prevalence and correlates of adolescents' resistance training (RT) skill competence. Participants were 548 adolescents (14.1 ± 0.5 years) from 16 schools in New South Wales, Australia. RT skills were assessed using the Resistance Training Skills Battery. Demographics, BMI, muscu...

journal_title：Journal of sports sciences

authors： Smith JJ,DeMarco M,Kennedy SG,Kelson M,Barnett LM,Faigenbaum AD,Lubans DR

更新日期：2018-06-01 00:00:00

abstract：:The aim of this study was to compare selected physiological variables and performance markers of soldiers from two "elite" units of the British Army. Ten soldiers from each of the two units were recruited for this study (n = 20). All participants completed three tests while carrying a 20 kg backpack load: (1) a maxima...

journal_title：Journal of sports sciences

authors： Simpson RJ,Gray SC,Florida-James GD

更新日期：2006-06-01 00:00:00

abstract：:Comfort is important for running shoe prescription in athletes to enhance performance and potentially decrease injury risk. A three-stage process was used to develop a new running footwear comfort assessment tool (RUN-CAT): (i) a survey of 282 runners to identify meaningful items of comfort, (ii-a) field testing of 10...

journal_title：Journal of sports sciences

authors： Bishop C,Buckley JD,Esterman AE,Arnold JB

更新日期：2020-09-01 00:00:00

abstract：:This study aimed to assess the effects of post-activation potentiation in the strength related variables of a kick start. Thirteen competitive swimmers performed three kick starts after a standardized warm up (denoted USUAL) and another after inducing post-activation through five isotonic repetitions on an eccentric f...

journal_title：Journal of sports sciences

authors： Cuenca-Fernández F,López-Contreras G,Mourão L,de Jesus K,de Jesus K,Zacca R,Vilas-Boas JP,Fernandes RJ,Arellano R

更新日期：2019-02-01 00:00:00

abstract：:This study analysed the effects of bilateral and non-dominant practice on novice practitioners' lateral preference for judo skills in a combat context (i.e., randori). Thirty sports sciences students (22 men and 8 women; mean age 19 ± 1 years) with right hand, foot, and counterclockwise rotation preferences were divid...

journal_title：Journal of sports sciences

authors： Iglesias-Soler E,Mayo X,Dopico X,Fernández-Del-Olmo M,Carballeira E,Fariñas J,Fernández-Uribe S

更新日期：2018-01-01 00:00:00

abstract：:Abstract This study constructed a technique effectiveness evaluation formula for table tennis players based on the relationship between the scoring rate and usage rate of techniques and established evaluation criteria through the examination of 224 matches of the world's top 35 players. It also built a competition per...

journal_title：Journal of sports sciences

authors： Zhang H,Liu W,Hu JJ,Liu RZ

更新日期：2014-01-01 00:00:00

abstract：:The purpose of this study was to analyse the effect of bike type - the 26-inch-wheel bike (26" bike) and the 29-inch-wheel bike (29" bike) - on performance in elite mountain bikers. Ten Swiss National Team athletes (seven males, three females) completed six trials with individual start on a simulated cross-country cou...

journal_title：Journal of sports sciences

authors： Steiner T,Müller B,Maier T,Wehrlin JP

更新日期：2016-08-01 00:00:00

abstract：:There is a paucity of studies that have evaluated substrate utilisation and protein catabolism during multiday strenuous exercise in athletes. Eleven well-trained male cyclists completed 3 h of race-simulated cycling on 4 consecutive days. Cyclist exercised 2 h postprandially and with carbohydrate supplementation (~50...

journal_title：Journal of sports sciences

authors： Oosthuyse T,Avidon I

更新日期：2015-01-01 00:00:00

abstract：:The purpose of the present study was to analyse the variability in clubhead presentation to the ball and the resulting ball impact location on the club face for a range of golfers of different ability. A total of 285 male and female participants hit multiple shots using one of four proprietary drivers. Self-reported h...

journal_title：Journal of sports sciences

authors： Betzler NF,Monk SA,Wallace ES,Otto SR

更新日期：2012-01-01 00:00:00

abstract：:State anxiety is known to affect far aiming tasks, but less is known about the effects of state anxiety on running and aiming while running. Therefore, in the current study participants ran on a treadmill at their preferred speed in a low- and high-anxiety condition. In both conditions, running was combined with dart ...

journal_title：Journal of sports sciences

authors： Nibbeling N,Daanen HA,Gerritsma RM,Hofland RM,Oudejans RR

更新日期：2012-01-01 00:00:00

abstract：:Comfort has been shown to be the most desired football boot feature by players. Previous studies have shown discomfort to be related to increased plantar pressures for running shoes which, in some foot regions, has been suggested to be a causative factor in overuse injuries. This study examined the correlation between...

journal_title：Journal of sports sciences

authors： Okholm Kryger K,Jarratt V,Mitchell S,Forrester S

更新日期：2017-05-01 00:00:00

abstract：:The aims of this study were to examine the effect of different environmental constraints on kinematic multi-segment coordination patterns during the service and its coordination with service time variability. Ten expert tennis players (Age: 34.1 ± 5.3) volunteered to take part in this study. Participants served 30 tim...

journal_title：Journal of sports sciences

authors： Shafizadeh M,Bonner S,Fraser J,Barnes A

更新日期：2019-05-01 00:00:00

abstract：:The causes of fatigue during muscular exercise include factors that reside in the brain (central mechanisms) as well as the muscles themselves (peripheral mechanisms). Central fatigue is largely unexplored, but there is increasing evidence that increased brain serotonin (5-HT) can lead to central (mental) fatigue, the...

journal_title：Journal of sports sciences

authors： Davis JM

更新日期：1995-07-01 00:00:00

abstract：:Youth athletes are known to be at high risk of musculoskeletal (MSK) injuries. Children in developed countries are increasingly adopting a sedentary lifestyle. Although some risk factors related to sports activities have been reported, the effect of lifestyle (i.e. screen time behaviour) on MSK pain in youth athletes ...

journal_title：Journal of sports sciences

authors： Sekiguchi T,Hagiwara Y,Momma H,Tsuchiya M,Kuroki K,Kanazawa K,Yabe Y,Yoshida S,Koide M,Itaya N,Itoi E,Nagatomi R

更新日期：2018-08-01 00:00:00

abstract：:Low back pain (LBP) is a common problem in football (soccer) players. The effect of LBP on the trunk and hip muscles in this group is unknown. The relationship between LBP and trunk muscle size and function in football players across the preseason was examined. A secondary aim was to assess hip muscle strength. Twenty...

journal_title：Journal of sports sciences

authors： Hides JA,Oostenbroek T,Franettovich Smith MM,Mendis MD

更新日期：2016-12-01 00:00:00

abstract：:Adherence is a key implementation outcome that determines the effectiveness of an intervention. This study, an observational design involving coaches and players from 33 high school basketball teams, evaluated the dimensions of adherence to a basketball-specific neuromuscular training (NMT) warm-up program in youth ba...

journal_title：Journal of sports sciences

authors： Owoeye OBA,Emery CA,Befus K,Palacios-Derflingher L,Pasanen K

更新日期：2020-10-01 00:00:00

abstract：:The purpose was to examine changes in the perceptual responses to lifting a very low load (15% one repetition maximum (1RM)) with and without (15/0) different pressures [40% (15/40) and 80% (15/80) arterial occlusion pressure] and compare that to traditional high load (70/0) resistance exercise. Ratings of perceived e...

journal_title：Journal of sports sciences

authors： Mattocks KT,Mouser JG,Jessee MB,Buckner SL,Dankel SJ,Bell ZW,Abe T,Bentley JP,Loenneke JP

更新日期：2019-08-01 00:00:00

abstract：:We hypothesised that habitual physical activity (PA) together with progressive endurance training contributes to the differences in training response (Δ[V(·)]O(2max)) in healthy and physically active male participants. Twenty volunteers (age 30±3 years and [V(·)]O(2max) 54±7 ml·kg⁻¹·min⁻¹) participated in an eight-wee...

journal_title：Journal of sports sciences

authors： Hautala A,Martinmaki K,Kiviniemi A,Kinnunen H,Virtanen P,Jaatinen J,Tulppo M

更新日期：2012-01-01 00:00:00

abstract：:The purpose of this study was to examine the changes in the metabolic state of quadriceps femoris muscles using transverse relaxation time (T2), measured by muscle functional magnetic resonance (MR) imaging, after inactive or active recovery exercises with different intensities following high-intensity knee-extension ...

journal_title：Journal of sports sciences

authors： Mukaimoto T,Semba S,Inoue Y,Ohno M

更新日期：2014-01-01 00:00:00

abstract：:The Drinkwater-Ross anthropometric fractionation of body mass (mass = sigma skeletal, residual, fat and muscle masses), lean body mass (LBM = sigma skeletal, residual and muscle masses) and fat mass (FM) were compared with the measured body mass, together with the densitometrically estimated fat-free mass (FFM) and fa...

journal_title：Journal of sports sciences

authors： Withers RT,Craig NP,Ball CT,Norton KI,Whittingham NO

更新日期：1991-10-01 00:00:00