Skeletal maturation, fundamental motor skills and motor coordination in children 7-10 years.

abstract：:Functional hypothalamic amenorrhoea (FHA) can occur due to the independent or combined effects of psychogenic and energetic stressors. In exercising women, research has primarily focused on energy deficiency as the cause of FHA while psychological stressors have been ignored. To assess both psychological and metabolic...

journal_title：Journal of sports sciences

authors： Strock NCA,De Souza MJ,Williams NI

更新日期：2020-11-01 00:00:00

abstract：:Drag is the resistant force that opposes a swimmer displacing through water and significantly affects swimming performance. Drag experienced during active swimming is called active drag (Da), and its direct determination is still controversial. By contrast, drag experienced while gliding in a stable streamlined body p...

journal_title：Journal of sports sciences

authors： Scurati R,Gatta G,Michielon G,Cortesi M

更新日期：2019-05-01 00:00:00

abstract：:The human spleen shows a decrease in volume of around 40% early during vigorous exercise and in response to other stressful stimuli such as maximal apnoea and the breathing of hypoxic gas mixtures. Contraction seems an active response, mediated by alpha-adrenergic fibres in the splenic nerve. Given the relatively smal...

journal_title：Journal of sports sciences

authors： Shephard RJ

更新日期：2016-01-01 00:00:00

abstract：:Sports coaches operate within a complex, ever-changing environment that imposes many pressures on them. Here, we address the psychological impact of these demands via a critical review of the literature pertaining to stress in sport coaches. The narrative is divided into three main sections: (1) conceptual and definit...

journal_title：Journal of sports sciences

authors： Fletcher D,Scott M

更新日期：2010-01-01 00:00:00

abstract：:The purpose of this study was to examine the effect of aerobic and strength conditioning on pain tolerance, pain appraisal and mood as a function of upper and lower limb pain location. Unfit males (n = 48) were randomly assigned to one of four groups: aerobic training, strength training, combined aerobic and strength ...

journal_title：Journal of sports sciences

authors： Anshel MH,Russell KG

更新日期：1994-12-01 00:00:00

abstract：:Exercise and treating hyperlipidaemia with statins are two integral components of the American Heart Association guidelines to reduce cardiovascular risk in adults. Since statins can cause myalgias and myopathies, they could affect the duration or intensity of an exercise regimen. To determine the impact of statin use...

journal_title：Journal of sports sciences

authors： Terpak K,Guthrie S,Erickson S

更新日期：2015-01-01 00:00:00

abstract：:The purpose of this study was to compare the maximal exercise performance during cycle ergometry of 34 men and 47 women. External peak power output (OPP) and optimized pedalling rate (ORPM) were calculated from data gathered during an optimization procedure performed on a friction braked cycle ergometer. In addition, ...

journal_title：Journal of sports sciences

authors： Winter EM,Brookes FB,Hamley EJ

更新日期：1991-04-01 00:00:00

abstract：:In this study, we examined gender and age differences in physical performance in football. Thirty-four elite female and 34 elite male players (age 17 +/- 1.6 to 24 +/- 3.4 years) from a professional football club were divided into four groups (n=17 each) according to gender and competitive level (senior males, senior ...

journal_title：Journal of sports sciences

authors： Mujika I,Santisteban J,Impellizzeri FM,Castagna C

更新日期：2009-01-15 00:00:00

abstract：:The purpose of this study was to establish normative data for regional sweat sodium concentration ([Na+]) and whole-body sweating rate in athletes. Data from 506 athletes (367 adults, 139 youth; 404 male, 102 female) were compiled from observational athlete testing for a retrospective analysis. The participants were s...

journal_title：Journal of sports sciences

authors： Baker LB,Barnes KA,Anderson ML,Passe DH,Stofan JR

更新日期：2016-01-01 00:00:00

abstract：:Deci and Ryan's causality orientations theory suggests that there are individual differences in motivational orientation towards initiating and regulating behaviour. They described three causality orientations: autonomy, control and impersonal. The aim of this paper is to describe the development and concurrent validi...

journal_title：Journal of sports sciences

authors： Rose EA,Markland D,Parfitt G

更新日期：2001-06-01 00:00:00

abstract：:The aims of this experiment were to determine whether there are differences between the sexes in the three-dimensional angular rotations of the lumbo-pelvic-hip complex during running and, if such differences exist, to establish whether factors other than sex can explain the observed differences. A cohort of 44 non-in...

journal_title：Journal of sports sciences

authors： Schache AG,Blanch P,Rath D,Wrigley T,Bennell K

更新日期：2003-02-01 00:00:00

abstract：:The aim of this study was to quantify the acute impact of soccer match officiating on selected physiological and physical performance measures. Twenty-four officials from the Spanish National 3rd Division participated in this study. External global positioning system and internal (heart rate) load data were collected ...

journal_title：Journal of sports sciences

authors： Castillo D,Yanci J,Cámara J,Weston M

更新日期：2016-01-01 00:00:00

abstract：:Maximal oxygen uptake VO(2max)) is considered the optimal method to assess aerobic fitness. The measurement of VO(2max), however, requires special equipment and training. Maximal exercise testing with determination of maximal power output offers a more simple approach. This study explores the relationship between [Vdo...

journal_title：Journal of sports sciences

authors： Dencker M,Thorsson O,Karlsson MK,Lindén C,Wollmer P,Andersen LB

更新日期：2008-11-01 00:00:00

abstract：:We investigated changes in cardiorespiratory performance, BMI and leisure-time physical activity among Finnish adolescents from 2003 to 2010. In addition, we compared cardiorespiratory performance levels between normal weight and overweight adolescents, grouped according to their physical activity. Participants were a...

journal_title：Journal of sports sciences

authors： Palomäki S,Heikinaro-Johansson P,Huotari P

更新日期：2015-01-01 00:00:00

abstract：:The present study aimed to explore the mediating role of social factors on the associations between attachment styles and basic psychological needs satisfaction within two relational contexts. Athletes (N = 215) completed a multi-section questionnaire pertaining to attachment styles, basic needs satisfied within the c...

journal_title：Journal of sports sciences

authors： Felton L,Jowett S

更新日期：2013-01-01 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 aim of this study was to determine the variations in substrate utilization between men and women matched for ventilatory threshold (Tvent) during incremental arm cranking and leg cycling exercise at 70, 85, 100 and 115% of the mode-specific Tvent. Recreationally active men (n=12) and women (n=10) with similar valu...

journal_title：Journal of sports sciences

authors： Yasuda N,Ruby BC,Gaskill SE

更新日期：2006-12-01 00:00:00

abstract：:A regression analysis of competitors' tournament results in relation to their world rankings was proposed to identify the effect of home advantage in international 'grand-slam' tennis and 'major' golf tournaments. The results provided little evidence of home advantage in either the grand-slam tennis or the golf tourna...

journal_title：Journal of sports sciences

authors： Nevill AM,Holder RL,Bardsley A,Calvert H,Jones S

更新日期：1997-08-01 00:00:00

abstract：:This paper describes an analytical method for the design of iron golf club heads. The method divides the club head into the basic shape and the back-weighting. The basic shape, which consists of the club face profile, hosel and club face-hosel blend section, is configured directly from geometric specifications. An ada...

journal_title：Journal of sports sciences

authors： Hartzell TA,Nesbit SM

更新日期：1996-08-01 00:00:00

abstract：:The purpose of this study was to examine the variation in accumulated basketball training experience, body size, functional performance, deliberate practice motivation, achievement and competitiveness motivation and sources of enjoyment among young female basketball players, partitioning the potential variation by ind...

journal_title：Journal of sports sciences

authors： Soares ALA,Leonardi TJ,Silva J,Nascimento JV,Paes RR,Gonçalves CE,Carvalho HM

更新日期：2020-04-01 00:00:00

abstract：:Bioelectrical impedance spectroscopy (BIS) is an inexpensive and non-invasive technique to measure total body water (TBW), extracellular water (ECW), and intracellular water (ICW). The purpose of this study was to validate TBW, ECW and ICW assessed by BIS, using dilution techniques as the reference method (REF) in eli...

journal_title：Journal of sports sciences

authors： Gonçalves EM,Matias CN,Santos DA,Sardinha LB,Silva AM

更新日期：2015-01-01 00:00:00

abstract：:The aim of this study was to assess the effects of quality of opposition and match status on technical and tactical volleyball performances, as measured by block, attack, serve, and set actions related to the tasks, space, players, and efficacy of selected game actions. Twenty-five matches from the men's World Cup 200...

journal_title：Journal of sports sciences

authors： Marcelino R,Mesquita I,Sampaio J

更新日期：2011-04-01 00:00:00

abstract：:Competitive soccer engages many of the body's systems to a major extent. The musculoskeletal, nervous, immune and metabolic systems are stressed to a point where recovery strategies post-exercise become influential in preparing for the next match. Intense activity at a 7-day training camp causes participants to experi...

journal_title：Journal of sports sciences

authors： Reilly T,Ekblom B

更新日期：2005-06-01 00:00:00

abstract：:We aimed to assess the cardiovascular responses and locomotory demands of male referees during diverse elite, international, basketball matches, and to investigate the influence of moderating factors (competition sex, level and stage) on these demands. Cardiovascular and locomotory responses were monitored in 123 elit...

journal_title：Journal of sports sciences

authors： Suárez Iglesias D,Leicht AS,Pojskić H,Vaquera A

更新日期：2020-11-25 00:00:00

abstract：:The cognitive effects of acute aerobic exercise were investigated in endurance-trained individuals. On two occasions, 21 cyclists; 11 male (VO2max: 57 ± 9 mL·kg-1·min-1) and 10 female (VO2max: 51 ± 9 mL·kg-1·min-1), completed 45 min of fixed, moderate-intensity (discontinuous) cycling followed by an incremental ride t...

journal_title：Journal of sports sciences

authors： McCartney D,Desbrow B,Irwin C

更新日期：2021-01-01 00:00:00

abstract：:The aim of the current study was to establish which indicators of mobility are associated with successful wheelchair rugby performance and determine whether these indicators differed across classification. Data were collected from 11 international teams during 30 matches (353 match observations) using a radio-frequenc...

journal_title：Journal of sports sciences

authors： Rhodes JM,Mason BS,Malone LA,Goosey-Tolfrey VL

更新日期：2015-01-01 00:00:00

abstract：:Microsaccades are important fixation eye movements for visual scene perception. Compared to novices, athletes make fewer fixations of longer duration toward limited interest areas crucial for action prediction. Thus, our aim was to study the microsaccade features during those fixations. Gaze behaviour of expert and no...

journal_title：Journal of sports sciences

authors： Piras A,Raffi M,Perazzolo M,Malagoli Lanzoni I,Squatrito S

更新日期：2019-05-01 00:00:00

abstract：:Organisational stressors are associated with positive and negative outcomes in extant literature; however, little is known about which demands predict which outcomes. Extant theory and literature also suggests that coping style may influence an individual's resilience or vulnerability to stressors and, subsequently, t...

journal_title：Journal of sports sciences

authors： Arnold R,Fletcher D,Daniels K

更新日期：2017-04-01 00:00:00

abstract：:Ubiquitous (pervasive) computing is a term for a synergetic use of sensing, communication and computing. Pervasive use of computing has seen a rapid increase in the current decade. This development has propagated in applied sport science and everyday life. The work presents a survey of recent developments in sport and...

journal_title：Journal of sports sciences

authors： Baca A,Dabnichki P,Heller M,Kornfeind P

更新日期：2009-10-01 00:00:00

abstract：:The purpose of this study was to capture the lower limb kinematics before during and after ball impact of soccer kicking by examining the influence of both sampling rate and smoothing procedures. Nine male soccer players performed maximal instep kicks and the three-dimensional leg movements were captured at 1000 Hz. A...

journal_title：Journal of sports sciences

authors： Nunome H,Lake M,Georgakis A,Stergioulas LK

更新日期：2006-01-01 00:00:00