The effect of constant-intensity endurance training and high-intensity interval training on aerobic and anaerobic parameters in youth.

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：: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：:High Intensity Interval Training (HIIT) may be effective for accumulating VPA. However, the contribution of HIIT to overall physical activity is unknown. Our primary aim was to explore the impact of school-based HIIT on physical activity. The secondary aim was to explore within-individual changes in physical activity ...

journal_title：Journal of sports sciences

authors： Costigan SA,Ridgers ND,Eather N,Plotnikoff RC,Harris N,Lubans DR

更新日期：2018-05-01 00:00:00

abstract：:At the beginning of the twenty-first century, there are 30,000 golf courses and 55 million people who play golf worldwide. In the USA alone, the value of golf club memberships sold in the 1990s was US dollar 3.2 billion. Underpinning this significant human activity is a wide variety of people researching and applying ...

journal_title：Journal of sports sciences

authors： Farrally MR,Cochran AJ,Crews DJ,Hurdzan MJ,Price RJ,Snow JT,Thomas PR

更新日期：2003-09-01 00:00:00

abstract：:Middle-distance athletes implement a dynamic continuum in training volume, duration, and intensity that utilizes all energy-producing pathways and muscle fibre types. At the centre of this periodized training regimen should be a periodized nutritional approach that takes into account acute and seasonal nutritional nee...

journal_title：Journal of sports sciences

authors： Stellingwerff T,Boit MK,Res PT,International Association of Athletics Federations.

更新日期：2007-01-01 00:00:00

abstract：:To characterize rugby union lineout throwing technique, three experienced male rugby players performed throwing trials under varying conditions of distance and trajectory. Motion analysis permitted the recovery of joint centre coordinates at 120 Hz and the construction of a three-dimensional linked segment model for c...

journal_title：Journal of sports sciences

authors： Trewartha G,Casanova R,Wilson C

更新日期：2008-06-01 00:00:00

abstract：:The aim of the present study was to assess the reliability and validity of the Newtest Powertimer 300-series portable contact mat and photocells (Newtest Oy, Finland). The participants were 20 male soccer players aged 19.1+/-3.5 years. The validity and reliability of the Powertimer (contact mat and photocells) were as...

journal_title：Journal of sports sciences

authors： Enoksen E,Tønnessen E,Shalfawi S

更新日期：2009-01-01 00:00:00

abstract：:Physical inactivity is proven to be a risk factor for non-communicable diseases and all-cost mortality. Public health policy recommends community settings worldwide such as the workplace to promote physical activity. Despite the growing prevalence of workplace team sports, studies have not synthesised their benefits w...

journal_title：Journal of sports sciences

authors： Brinkley A,McDermott H,Munir F

更新日期：2017-01-01 00:00:00

abstract：:This study aimed to compare the load-velocity and load-power relationships of three common variations of the squat exercise. 52 strength-trained males performed a progressive loading test up to the one-repetition maximum (1RM) in the full (F-SQ), parallel (P-SQ) and half (H-SQ) squat, conducted in random order on sepa...

journal_title：Journal of sports sciences

authors： Martínez-Cava A,Morán-Navarro R,Sánchez-Medina L,González-Badillo JJ,Pallarés JG

更新日期：2019-05-01 00:00:00

abstract：:We explored implicit coordination mechanisms underlying the conceptual notion of "shared mental models" (SMM) through physiological (i.e., breathing and heart rates) and affective-cognitive (i.e., arousal, pleasantness, attention, self-efficacy, other's efficacy) monitoring of two professional jugglers performing a re...

journal_title：Journal of sports sciences

authors： Filho E,Pierini D,Robazza C,Tenenbaum G,Bertollo M

更新日期：2017-01-01 00:00:00

abstract：:The behavioural modifications that accompany Ramadan intermittent fasting (RIF) are usually associated with some alterations in the metabolic, physiological, and psychological responses of athletes that may affect sport performance. Muslim athletes who are required to train and/or compete during the month-long, diurna...

journal_title：Journal of sports sciences

authors： Chaouachi A,Leiper JB,Chtourou H,Aziz AR,Chamari K

更新日期：2012-01-01 00:00:00

abstract：:While sport science can have significant and positive impact on coaches and athletes, there is still a general consensus that the transfer of sport science knowledge to coaching is poor. Given this apparent dilemma, this study investigated the perceptions of sport science from coaches across four different sports (foo...

journal_title：Journal of sports sciences

authors： Martindale R,Nash C

更新日期：2013-01-01 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：: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：:A simulated cricket batting innings was developed to replicate the physical demands of scoring a century during One-Day International cricket. The simulated innings requires running-between-the-wickets across six 5-over stages, each of 21 min duration. To validate whether the simulated batting innings is reflective of...

journal_title：Journal of sports sciences

authors： Houghton L,Dawson B,Rubenson J,Tobin M

更新日期：2011-05-01 00:00:00

abstract：:The aim of the current study was twofold: (1) to validate the use of action sport cameras for quantifying focus of visual attention in sailing and (2) to apply this method to examine whether an external focus of attention is associated with better performance in upwind sailing. To test the validity of this novel quant...

journal_title：Journal of sports sciences

authors： Pluijms JP,Cañal-Bruland R,Hoozemans MJ,Van Beek MW,Böcker K,Savelsbergh GJ

更新日期：2016-08-01 00:00:00

abstract：:The relative length of the second and fourth digits (2D:4D) is a putative marker for prenatal testosterone. Low 2D:4D has been reported to correlate with high performance in sport in general. Here, for the first time, we examine the relationship between 2D:4D and performance in elite rugby players. The 44 players (28 ...

journal_title：Journal of sports sciences

authors： Bennett M,Manning JT,Cook CJ,Kilduff LP

更新日期：2010-11-01 00:00:00

abstract：:To observe the associations between single nucleotide polymorphisms (SNPs) of nicotinamide N-methyltransferase (NNMT) gene and sport performance and to analyse genotype associations of the associated SNPs with sport performance and relative maximal oxygen uptake ([Formula: see text]). Participants were selected from 6...

journal_title：Journal of sports sciences

authors： Li JH,Chen W,Zhu XJ,Lin YJ,Qiu LQ,Cai CX,Wang YH,Xiong Q,Chen F,Chen LH

更新日期：2017-11-01 00:00:00

abstract：:The present study aimed to provide reference values for lower-limb muscle power assessed during the incremental jump squat (JS) test in elite athletes (i.e., professional athletes competing at international level). We pooled data from all JS tests performed by elite athletes of different sports in two high-performance...

journal_title：Journal of sports sciences

authors： Valenzuela PL,McGuigan M,Sánchez-Martínez G,Torrontegi E,Vázquez-Carrión J,Montalvo Z,Abad CCC,Pereira LA,Loturco I

更新日期：2020-10-01 00:00:00

abstract：:The aims of this study were to describe the current anthropometric profiles of elite Australian female and male cricket fast bowlers and establish a set of reference values useful for future investigations on player selection, talent identification, and training programme development. The participants were 26 female (...

journal_title：Journal of sports sciences

authors： Stuelcken M,Pyne D,Sinclair P

更新日期：2007-12-01 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：:Electromyographic activity and the electrocardiogram were recorded during windsurfing on the water in six subjects (three females and three males). 'Beating' and 'reaching' (both with continuous pumping), 'running' and 'uphauling' were performed in light to moderate winds. The physiological signals were transmitted to...

journal_title：Journal of sports sciences

authors： Dyson RJ,Buchanan M,Farrington TA,Hurrion PD

更新日期：1996-04-01 00:00:00

abstract：:Childhood sport participation is argued to be important to understand differences in self-regulation and performance level in adolescence. This study sought to investigate if football-specific activities in childhood (6-12 years of age) is related to self-regulatory skills and national under 14- and 15-team selection ...

journal_title：Journal of sports sciences

authors： Erikstad MK,Høigaard R,Johansen BT,Kandala NB,Haugen T

更新日期：2018-10-01 00:00:00

abstract：:We aimed to compare multilayer perceptron (MLP) neural networks, radial basis function neural networks (RBF) and linear models (LM) accuracy to predict the centre of mass (CM) horizontal speed at low-moderate, heavy and severe swimming intensities using physiological and biomechanical dataset. Ten trained male swimmer...

journal_title：Journal of sports sciences

authors： de Jesus K,de Jesus K,Ayala HVH,Dos Santos Coelho L,Vilas-Boas JP,Fernandes RJP

更新日期：2019-07-01 00:00:00

abstract：:The spirit of sport, which encompasses intrinsic values associated with sport participation, is core to the World Anti-Doping Agency's (WADA) strategy for doping prevention. The contribution of these values to clean sport has yet to be established. In this study, athletes rated the importance of spirit of sport values...

journal_title：Journal of sports sciences

authors： Mortimer H,Whitehead J,Kavussanu M,Gürpınar B,Ring C

更新日期：2020-10-22 00:00:00

abstract：:This study addressed the paucity of evidence of whether visual anticipation can be improved in emerging experts in striking sports. Twelve emerging expert batsmen from a state cricket squad were equally randomised into intervention and control groups. They were pre-and-post tested on a video temporal occlusion test of...

journal_title：Journal of sports sciences

authors： Brenton J,Müller S,Harbaugh AG

更新日期：2019-09-01 00:00:00

abstract：:Many of the factors identified as influencing the home advantage have an underlying social basis, presumably through the influence exerted by the home crowd. Beliefs in the home advantage and the causes of that advantage also have a social basis: sports coverage and fan discourse focus on some aspects of the phenomeno...

journal_title：Journal of sports sciences

authors： Smith DR

更新日期：2005-04-01 00:00:00

abstract：:Ghrelin is a hormone that stimulates hunger. Intense exercise has been shown to temporarily suppress hunger after exercise. In the present study, we investigated whether post-exercise hunger suppression is mediated by reduced plasma total ghrelin concentrations. Nine men and nine women participated in the study. Their...

journal_title：Journal of sports sciences

authors： Burns SF,Broom DR,Miyashita M,Mundy C,Stensel DJ

更新日期：2007-04-01 00:00:00

abstract：:Athletes have been shown to have greater movement imagery abilities than non-athletes. However, since these differences were observed using questionnaires where participants subjectively judged the vividness of performing imagined movements, it is possible that responses could be biased by other factors such as social...

journal_title：Journal of sports sciences

authors： Madan CR,Singhal A

更新日期：2014-01-01 00:00:00

abstract：:Sprint performance over short distances is a central component in young tennis players' development. This study aimed to examine the longitudinal development of sprint performance in young female tennis players, and to investigate differences between performance levels. Also potentially explanatory variables were inve...

journal_title：Journal of sports sciences

authors： Kramer T,Valente-Dos-Santos J,Visscher C,Coelho-E-Silva M,Huijgen BCH,Elferink-Gemser MT

更新日期：2021-02-01 00:00:00