Shared mental models and intra-team psychophysiological patterns: a test of the juggling paradigm.

abstract：:Chronic foot and ankle injuries are common in dancers; understanding how lower extremity loading changes in response to altered task goals can be beneficial for rehabilitation and injury prevention strategies. The purpose of this study was to examine mechanical demands during jump take-offs when the task goal was modi...

journal_title：Journal of sports sciences

authors： Jarvis DN,Kulig K

更新日期：2020-08-01 00:00:00

abstract：:The relative age effect (RAE) has been highlighted extensively within literature as influencing selection and identification within sports. However, this initial bias appears to not be systemic in some talent development systems. Accordingly, we report an investigation into the initial identification, selection and co...

journal_title：Journal of sports sciences

authors： McCarthy N,Collins D,Court D

更新日期：2016-08-01 00:00:00

abstract：:The aims of this study were to examine the changes in plasma concentrations of inflammatory cytokines induced by training and competition in professional cyclists. We report the serum concentrations of interleukin-6 (IL-6), tumour necrosis factor alpha (TNF-a), tumour necrosis factor receptors I and II (TNFR-I and -II...

journal_title：Journal of sports sciences

authors： Cordova A,Monserrat J,Villa G,Reyes E,Soto MA

更新日期：2006-06-01 00:00:00

abstract：:Recent research has challenged the typical pre-match and half-time (HT) interval warm-up (WU) routines currently used by professional soccer players. This study surveyed 2010/11 season WU strategies and their underpinning scientific reasoning and situational factors via an internet-based questionnaire, which was distr...

journal_title：Journal of sports sciences

authors： Towlson C,Midgley AW,Lovell R

更新日期：2013-01-01 00:00:00

abstract：:The main purposes of this study were to investigate the acute effects of static and dynamic lower limb stretching routines: (a) on peak torque, total external work and joint angle at peak torque of the hamstrings during maximal eccentric isokinetic leg flexion; (b) on unilateral hamstring to quadriceps (H/Q) strength ...

journal_title：Journal of sports sciences

authors： Ayala F,De Ste Croix M,Sainz De Baranda P,Santonja F

更新日期：2013-01-01 00:00:00

abstract：:This study aimed to investigate why futsal players decide to dribble. For this purpose, we analysed 396 trials comprising the dribbles (n = 132), passes (n = 131) or shots (n = 133), performed by 70 male futsal players. Passing and shooting angles, and interpersonal distance, including their rates of change (velocity ...

journal_title：Journal of sports sciences

authors： Corrêa UC,de Pinho ST,da Silva SL,Clavijo FA,Souza TO,Tani G

更新日期：2016-12-01 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：:Rowers competing at the 2000 Olympic Games were measured for 38 anthropometric dimensions. The aim was to identify common physical characteristics that could provide a competitive advantage. The participants included 140 male open-class rowers, 69 female open-class rowers, 50 male lightweight rowers, and 14 female lig...

journal_title：Journal of sports sciences

authors： Kerr DA,Ross WD,Norton K,Hume P,Kagawa M,Ackland TR

更新日期：2007-01-01 00:00:00

abstract：:Knowledge of the kinematic differences that separate highly skilled and less-skilled squash players could assist the progression of talent development. This study compared trunk, upper-limb and racket kinematics between two groups of nine highly skilled and less-skilled male athletes for forehand drive, volley and dro...

journal_title：Journal of sports sciences

authors： Williams BK,Sanders RH,Ryu JH,Graham-Smith P,Sinclair PJ

更新日期：2020-07-01 00:00:00

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：:The optimum pre-flight characteristics of the Hecht and handspring somersault vaults were determined using a two-segment simulation model. The model consisted of an arm segment and a body segment connected by a frictionless pin joint, simulating the vault from the Reuther board take-off through to landing. During hors...

journal_title：Journal of sports sciences

authors： King MA,Yeadon MR,Kerwin DG

更新日期：1999-04-01 00:00:00

abstract：:Collective efficacy research has begun to progress from simply trying to verify the relationship between collective efficacy and performance to examining the mechanisms through which collective efficacy impacts on performance. To test hypotheses concerning the impact of collective efficacy on group goal selection and ...

journal_title：Journal of sports sciences

authors： Greenlees I,Graydon J,Maynard I

更新日期：2000-06-01 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：:Two experiments were conducted to examine the hypothesis that learning by analogy will invoke characteristics of an implicit mode of motor learning. In the first experiment, table tennis novices learned to hit forehand topspin implicitly, explicitly or by analogy. The results showed that the analogy and implicit learn...

journal_title：Journal of sports sciences

authors： Liao CM,Masters RS

更新日期：2001-05-01 00:00:00

abstract：:For the first time we aimed to: (1) assess fat-free mass (FFM) and RMR in youth soccer players, (2) compare measured RMR to estimated RMR using previously published prediction equations, and (3) develop a novel population-specific prediction equation. In a cross-sectional design, 99 males from a Premier League academy...

journal_title：Journal of sports sciences

authors： Hannon MP,Carney DJ,Floyd S,Parker LJF,McKeown J,Drust B,Unnithan VB,Close GL,Morton JP

更新日期：2020-01-01 00:00:00

abstract：:In this study, we examined the effects of upper-body pre-cooling before intermittent sprinting exercise in a moderate environment. Seven male and three female trained cyclists (age 26.8+/-5.5 years, body mass 68.5+/-9.5 kg, height 1.76+/-0.13 m, V O2peak 59.0+/-11.4 mL. kg(-1). min(-1); mean+/-s) performed 30 min of c...

journal_title：Journal of sports sciences

authors： Cheung S,Robinson A

更新日期：2004-07-01 00:00:00

abstract：:The relationships between team performance indicators and match outcome have been examined in many team sports, however are limited in Australian Rules football. Using data from the 2013 and 2014 Australian Football League (AFL) regular seasons, this study assessed the ability of commonly reported discrete team perfor...

journal_title：Journal of sports sciences

authors： Robertson S,Back N,Bartlett JD

更新日期：2016-01-01 00:00:00

abstract：:In this study, we examined the influence of internal and external attention instructions on the performance of a pitch shot by golfers who were either highly skilled (mean handicap = 4) or low skilled (mean handicap = 26). Ten golfers in each skill group used a 9-iron to pitch a ball as close as possible to an orange ...

journal_title：Journal of sports sciences

authors： Perkins-Ceccato N,Passmore SR,Lee TD

更新日期：2003-08-01 00:00:00

abstract：:The aim of this study was to observe changes in the kinematics and muscle activities when barefoot running was initially adopted by six habitually shod, recreational rearfoot striking runners. Participants ran on a treadmill shod for 5 min, completed 3 × 10-min intervals of barefoot running and then completed a final ...

journal_title：Journal of sports sciences

authors： Strauts J,Vanicek N,Halaki M

更新日期：2016-01-01 00:00:00

abstract：:A plausible explanation for the ancient long jump records from Greek antiquity is sought on the basis of pictorial and written sources, and corroborated with practical tests. Ancient sources report that athletes jumped more than 15 m with weights in their hands, which enabled them to jump further than without these we...

journal_title：Journal of sports sciences

authors： Lenoir M,De Clercq D,Laporte W

更新日期：2005-10-01 00:00:00

abstract：:An evaluation of a six-week Combined minimal footwear transition and gait-retraining combination vs. gait retraining only on impact characteristics and leg stiffness. Twenty-four trained male runners were randomly assigned to either (1) Minimalist footwear transition Combined with gait-retraining over a six-week perio...

journal_title：Journal of sports sciences

authors： Warne JP,Smyth BP,Fagan JO,Hone ME,Richter C,Nevill AM,Moran KA,Warrington GD

更新日期：2017-08-01 00:00:00

abstract：:This study examined the effect of wearing time on comfort perception and landing biomechanics of basketball shoes with different midsole hardness. Fifteen basketball players performed drop landing and layup first step while wearing shoes of different wearing time (new, 2-, 4-, 6- and 8-week) and hardness (soft, medium...

journal_title：Journal of sports sciences

authors： Lam WK,Liu H,Wu GQ,Liu ZL,Sun W

更新日期：2019-10-01 00:00:00

abstract：:The purpose of this study was to examine the influence of a carbohydrate-rich meal on post-prandial metabolic responses and skeletal muscle glycogen concentration. After an overnight fast, eight male recreational/club endurance runners ingested a carbohydrate (CHO) meal (2.5 g CHO x kg(-1) body mass) and biopsies were...

journal_title：Journal of sports sciences

authors： Chryssanthopoulos C,Williams C,Nowitz A,Bogdanis G

更新日期：2004-11-01 00:00:00

abstract：:The aim of this study was to examine the effect of an enrichment programme in motor, technical and tactical basketball skills, when accounting for the age of youth sport specialisation. Seventy-six college students (age: M = 20.4, SD = 1.9) were allocated according to three different paths: (i) non-structured (n = 14)...

journal_title：Journal of sports sciences

authors： Santos S,Mateus N,Sampaio J,Leite N

更新日期：2017-09-01 00:00:00

abstract：:Interest in rises in oxygen consumption (VO2) with increasing exercise intensity largely originate from the work of Hill and colleagues in the 1920s. Their studies led to a belief that cardiac output and VO2 'plateau' at increasing work rates and that muscle hypoxia leads to fatigue. Hence, it was assumed that the pri...

journal_title：Journal of sports sciences

authors： Dennis SC,Noakes TD

更新日期：1998-01-01 00:00:00

abstract：:This study investigated whether repeated, very short duration sprints influenced endothelial function (indicated by flow-mediated dilation) and triacylglycerol concentrations following the ingestion of high-fat meals in adolescent boys. Nine adolescent boys completed two, 2-day main trials (control and exercise), in a...

journal_title：Journal of sports sciences

authors： Sedgwick MJ,Morris JG,Nevill ME,Barrett LA

更新日期：2015-01-01 00:00:00

abstract：:In the present study, we investigated the accuracy of offside judgements of assistant referees in the English Premier League. The moment in the match, the position and movement speed of the assistant referee, attacker and second-last defender, together with the angle of view for the assistant referee were all consider...

journal_title：Journal of sports sciences

authors： Catteeuw P,Gilis B,Wagemans J,Helsen W

更新日期：2010-03-01 00:00:00

abstract：:The aims of this study were to examine the (1) individual playing area, (2) length and width of the rectangle encompassing the individual playing area and (3) distance between the goalkeepers and their nearest team-mates during professional soccer matches and compare these to previously reported pitch sizes for small-...

journal_title：Journal of sports sciences

authors： Fradua L,Zubillaga A,Caro O,Iván Fernández-García A,Ruiz-Ruiz C,Tenga A

更新日期：2013-01-01 00:00:00

abstract：:The aim of this study was to determine whether endurance training in athletes induces airway inflammation and pulmonary function disorders. Respiratory pattern and function were analysed in ten healthy endurance runners at rest, during sub-maximal exercise, and during the recovery. Inflammatory cells and metabolites (...

journal_title：Journal of sports sciences

authors： Denguezli M,Ben Chiekh I,Ben Saad H,Zaouali-Ajina M,Tabka Z,Abdelkrim Z

更新日期：2008-10-01 00:00:00

abstract：:Anterior cruciate ligament (ACL) rupture, during ski-landing, is caused by excessive knee joint forces and kinematics, like anterior tibial translation, internal tibial rotation, and valgus rotation. It is not well understood how these forces/kinematics are directly related to ski-landing impact. In the present study,...

journal_title：Journal of sports sciences

authors： Yeow CH,Kong CY,Lee PV,Goh JC

更新日期：2011-08-01 00:00:00