Differences in self-regulatory skills among talented athletes: the significance of competitive level and type of sport.

abstract：:The aim of this study was to integrate both dispositional and situational factors to examine their interactive ability to predict pre-competitive goal states of task and ego involvement in a sample of National junior tennis players. The Task and Ego Orientation in Sport Questionnaire (Chi and Duda, 1995) and a set of ...

journal_title：Journal of sports sciences

authors： Harwood CG,Swain AB

更新日期：1998-05-01 00:00:00

abstract：:The purpose of this study was to examine the adequacy of "multi-age" classification systems in youth sports with a specific focus on the unisex multi-age-groupings used by USA Swimming. In addition, we offer an analytical rationale for the multi-age-groupings and potential alternatives. We examined the top 100 US swim...

journal_title：Journal of sports sciences

authors： Kojima K,Jamison PL,Stager JM

更新日期：2012-01-01 00:00:00

abstract：:The current study investigated whether viewing images of others in pain influences exercise-induced pain (EIP) and cycling performance. Twenty-one recreational cyclists attended five laboratory visits. The first two visits involved measuring participants' maximal aerobic capacity and familiarized participants to the f...

journal_title：Journal of sports sciences

authors： Astokorki A,Flood A,Mauger A

更新日期：2021-01-01 00:00:00

abstract：:This study examined if short-duration record power outputs can be predicted with the Anaerobic Power Reserve (APR) model in professional cyclists using a field-based approach. Additionally, we evaluated if modified model parameters could improve predictive ability of the model. Twelve professional cyclists (V̇O2max 75...

journal_title：Journal of sports sciences

authors： Sanders D,Heijboer M

更新日期：2019-03-01 00:00:00

abstract：:This study sought to determine the association of relative age and performance of young elite basketball players. The distribution of the birth dates, heights, positions, classification and performance of the male and female participants (n = 2395) of the U16, U18 and U20 European Basketball Championships were analyse...

journal_title：Journal of sports sciences

authors： Arrieta H,Torres-Unda J,Gil SM,Irazusta J

更新日期：2016-08-01 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：:Information--movement coupling is a fundamental concept, integral to theorizing on the coordination of goal-directed activity in ecological psychology. In this paper, we examine the implications of this concept for the design of experimental research and the organization of practice during the acquisition of movement ...

journal_title：Journal of sports sciences

authors： Davids K,Kingsbury D,Bennett S,Handford C

更新日期：2001-02-01 00:00:00

abstract：:This study investigated the effects of knee localised muscle damage on running kinematics at varying speeds. Nineteen young women (23.2 ± 2.8 years; 164 ± 8 cm; 53.6 ± 5.4 kg), performed a maximal eccentric muscle damage protocol (5 × 15) of the knee extensors and flexors of both legs at 60 rad · s(-1). Lower body kin...

journal_title：Journal of sports sciences

authors： Tsatalas T,Giakas G,Spyropoulos G,Sideris V,Lazaridis S,Kotzamanidis C,Koutedakis Y

更新日期：2013-01-01 00:00:00

abstract：:This study aimed to investigate deprivation and sex differences in selected health-relatedfitness measures in 9-12-year-old children. Data were captured on 3,407 children (49.3% boys; aged 10.5 ± 0.6 years). Cardiorespiratory fitness(20 m multistage shuttle run test; 20 m MSRT), muscular strength (handgrip strength) a...

journal_title：Journal of sports sciences

authors： Tyler R,Mackintosh KA,Spacey HL,Stratton G

更新日期：2020-01-01 00:00:00

abstract：:The 100 ms ruling for false start disqualification at athletic competitions governed by the International Association of Athletics Federations has been in force since the early 1990s. Throughout this period, there have been marked changes to the rules that govern the disqualification of athletes from sprint events inc...

journal_title：Journal of sports sciences

authors： Brosnan KC,Hayes K,Harrison AJ

更新日期：2017-05-01 00:00:00

abstract：:Despite an increase in anterior knee laxity (AKL) during the adolescent growth spurt in girls, it is unknown whether landing biomechanics are affected by this change. This study investigated whether pubescent girls with higher AKL displayed differences in their lower limb strength or landing biomechanics when performi...

journal_title：Journal of sports sciences

authors： Wild CY,Munro BJ,Steele JR

更新日期：2017-01-01 00:00:00

abstract：:The aim of this study was to devise a valid performance analysis system for the assessment of the movement characteristics associated with competitive amateur boxing and assess its reliability using analysts of varying experience of the sport and performance analysis. Key performance indicators to characterise the dem...

journal_title：Journal of sports sciences

authors： Thomson E,Lamb K,Nicholas C

更新日期：2013-01-01 00:00:00

abstract：:To examine the activity profile and physiological demands of top-class soccer refereeing, we performed computerized time-motion analyses and measured the heart rate and blood lactate concentration of 27 referees during 43 competitive matches in the two top Danish leagues. To relate match performance to physical capaci...

journal_title：Journal of sports sciences

authors： Krustrup P,Bangsbo J

更新日期：2001-11-01 00:00:00

abstract：:In this study, we found that the optimum take-off angle for a long jumper may be predicted by combining the equation for the range of a projectile in free flight with the measured relations between take-off speed, take-off height and take-off angle for the athlete. The prediction method was evaluated using video measu...

journal_title：Journal of sports sciences

authors： Linthorne NP,Guzman MS,Bridgett LA

更新日期：2005-07-01 00:00:00

abstract：:Low-intensity exercise with blood flow restriction (BFR) is an increasingly common method of improving muscular strength and hypertrophy, and improving aerobic fitness, in clinical and athletic populations. The aim of this systematic review was to describe common approaches to determining occlusion pressures for BFR e...

journal_title：Journal of sports sciences

authors： Murray J,Bennett H,Boyle T,Williams M,Davison K

更新日期：2020-11-01 00:00:00

abstract：:Process-oriented motor competence (MC) assessments evaluate how a movement is performed. Product-oriented assessments evaluate the outcome of a movement. Determining the concurrent validity of process and product assessments is important to address the predictive utility of motor competence for health. The current stu...

journal_title：Journal of sports sciences

authors： Logan SW,Barnett LM,Goodway JD,Stodden DF

更新日期：2017-04-01 00:00:00

abstract：:Walking is a safe, accessible and low cost activity, amenable to change and known to have great potential to increase physical activity levels in sedentary individuals. The objective of this study is to estimate the proportion of the 2009 adult population of England who would attain or exceed vigorous intensity activi...

journal_title：Journal of sports sciences

authors： Kelly P,Murphy M,Oja P,Murtagh EM,Foster C

更新日期：2011-12-01 00:00:00

abstract：:In this study, we evaluated the extent to which 2000-m rowing ergometer performance times predicted final rankings at the World Rowing Championships in a sample of 638 rowers of both sexes and body-mass classifications (i.e., open-category and lightweight rowers). Rowing ergometer performance times were examined using...

journal_title：Journal of sports sciences

authors： Mikulić P,Smoljanović T,Bojanić I,Hannafin JA,Matković BR

更新日期：2009-07-01 00:00:00

abstract：:Children's fundamental movement skill levels (FMS) predict moderate-to-vigorous physical activity (MVPA). Asian children have been reported as less active than English-Europeans, possibly due to poorer skills. This study compared the FMS of children from Culturally and Linguistically Diverse (CALD) backgrounds and exa...

journal_title：Journal of sports sciences

authors： Barnett LM,Telford RM,Strugnell C,Rudd J,Olive LS,Telford RD

更新日期：2019-03-01 00:00:00

abstract：:This study investigated the influence of the regression model and initial intensity during an incremental test on the relationship between the lactate threshold estimated by the maximal-deviation method and performance in elite-standard runners. Twenty-three well-trained runners completed a discontinuous incremental r...

journal_title：Journal of sports sciences

authors： Santos-Concejero J,Tucker R,Granados C,Irazusta J,Bidaurrazaga-Letona I,Zabala-Lili J,Gil SM

更新日期：2014-01-01 00:00:00

abstract：:We examined the effects of time of day on a cycling time trial with and without a prolonged warm-up, among cyclists who tended towards being high in "morningness". Eight male cyclists (mean +/- s: age = 24.9 +/- 3.5 years, peak power output = 319 +/- 34 W, chronotype = 39 +/- 6 units) completed a 16.1-km time trial wi...

journal_title：Journal of sports sciences

authors： Atkinson G,Todd C,Reilly T,Waterhouse J

更新日期：2005-03-01 00:00:00

abstract：:The addition of whey protein to a carbohydrate-electrolyte drink has been shown to enhance post-exercise rehydration when a volume below that recommended for full fluid balance restoration is provided. We investigated if this held true when volumes sufficient to restore fluid balance were consumed and if differences m...

journal_title：Journal of sports sciences

authors： Hobson R,James L

更新日期：2015-01-01 00:00:00

abstract：:The aim of this study was to examine the effect of concentric warm-up exercise on eccentrically induced changes in muscle strength, range of motion, and soreness of the elbow flexors. Ten resistance-exercise naive participants performed intermittent incremental eccentric actions (42 in total) of the elbow flexor muscl...

journal_title：Journal of sports sciences

authors： Ingham SA,van Someren KA,Howatson G

更新日期：2010-11-01 00:00:00

abstract：:Parkour landing techniques differ from performances of other sports as they are practiced in urban spaces with uncontrolled surfaces and drop heights. Due to the relatively young age of the sport, few studies have tried to understand how practitioners - called traceurs - succeed at performing these dynamic performance...

journal_title：Journal of sports sciences

authors： Maldonado G,Soueres P,Watier B

更新日期：2018-11-01 00:00:00

abstract：:The use of dieting, rapid weight loss, and frequent weight fluctuation among athletes competing in weight-class and leanness sports have been considered a problem for years, but the extent of the problem and the health and performance consequences have yet to be fully examined. Most studies examining these issues have...

journal_title：Journal of sports sciences

authors： Sundgot-Borgen J,Garthe I

更新日期：2011-01-01 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 purpose of this study was to determine whether there are differences in the perceived comfort, plantar pressure, and rearfoot motion between laced running shoes and elastic-covered running shoes. Fifteen male amateur runners participated in the study. Each participant was assigned laced running shoes and elastic-c...

journal_title：Journal of sports sciences

authors： Hong Y,Wang L,Li JX,Zhou JH

更新日期：2011-02-01 00:00:00

abstract：:Skilled golfers are reported to be more flexible than lesser able golfers, which may assist in increased x-factor (shoulder-pelvis separation) at the top of the backswing. However, it is unknown if increased flexibility produces faster clubhead speed. The aim of this study was to investigate the correlations amongst t...

journal_title：Journal of sports sciences

authors： Joyce C

更新日期：2017-10-01 00:00:00

abstract：:Interceptive actions require individuals to time their movements with an external event. To meet the intense spatial-temporal demands needed for successful interception, a tight coupling and coordination between perceptual and motor processes is required. The control strategy that underlies successful performance is a...

journal_title：Journal of sports sciences

authors： Panchuk D,Vickers JN

更新日期：2009-10-01 00:00:00

abstract：:In order to investigate further the use of standardization procedures to determine training effects on cardiac dimension and function, two groups of subjects were analysed noninvasively. A control group of sedentary men (n = 7) and an experimental group of weight lifters (n = 12) volunteered for a standard M-mode echo...

journal_title：Journal of sports sciences

authors： Brown SP,Thompson WR

更新日期：1987-07-01 00:00:00