Abstract：
:Although the relative age effect has been widely observed in youth sports (Musch & Grondin, 2001), it is unclear whether it generalizes across the lifespan. The purpose of this study was to examine the relative age effect among a population of Masters athletes using archived data. Two successive studies examined the frequency of record-setting achievements (Study 1) and the frequency of participation entries (Study 2) at the US Masters track-and-field and swimming championships as a function of an individual's constituent year within any 5-year age category. Results of Study 1 indicated that the probability of setting a record increased if Masters athletes were in the first year, and decreased if they were in the third, fourth or fifth year, of an age category. Results of Study 2 indicated that the likelihood of participating in the National championships increased if Masters athletes were in the first or second year, and decreased if they were in the fourth or fifth year, of an age category. We highlight and discuss potential advantages afforded to Masters athletes who are relatively younger than their peers in the same 5-year age category.
journal_name
J Sports Scijournal_title
Journal of sports sciencesauthors
Medic N,Starkes JL,Young BWdoi
10.1080/02640410601110128subject
Has Abstractpub_date
2007-10-01 00:00:00pages
1377-84issue
12eissn
0264-0414issn
1466-447Xpii
779903386journal_volume
25pub_type
杂志文章abstract：:Propulsive forces are important determinants of swimming performance. The aim of this study was to quantify the measurement error (uncertainty) in propulsive forces calculated from kinematic data. Ten operators digitized underwater video recordings of a breaststroke swimmer's right arm action. Four landmarks on the ha...
journal_title：Journal of sports sciences
pub_type： 杂志文章
doi：10.1080/02640419508732261
更新日期：1995-12-01 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
pub_type： 杂志文章
doi：10.1080/02640419108729891
更新日期：1991-10-01 00:00:00
abstract：:Physical activity is important in obesity prevention, but the effectiveness of different physical activity modalities remains to be determined among children. The main purpose of this study was to compare the effects of a 6-month soccer programme and a traditional physical activity programme on changes in body composi...
journal_title：Journal of sports sciences
pub_type： 杂志文章
doi：10.1080/02640414.2016.1140219
更新日期：2016-10-01 00:00:00
abstract：:The quadruple approach in the title refers to four different studies over a period of 3 years. The common factor in these studies is the methodology of the (Brussels) Electromyographic Signal Processing and Analysis System (ESPAS), a hardware and software EMG data acquisition system that has constantly been improved. ...
journal_title：Journal of sports sciences
pub_type： 杂志文章
doi：10.1080/02640419008732149
更新日期：1990-01-01 00:00:00
abstract：:Officiating bias is thought to contribute to home advantage. Recent research has shown that sports with subjective officiating tend to experience greater home advantage and that referees' decisions can be influenced by crowd noise, but little work has been done to examine whether individual referees vary in their home...
journal_title：Journal of sports sciences
pub_type： 杂志文章
doi：10.1080/02640410601038576
更新日期：2007-09-01 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
pub_type： 杂志文章,随机对照试验
doi：10.1080/02640414.2019.1599315
更新日期：2019-08-01 00:00:00
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
pub_type： 杂志文章
doi：10.1080/02640419808559364
更新日期：1998-05-01 00:00:00
abstract：:The purpose of this study was to gather information from scientific literature related to all steps of Van Mechelen's "sequence of prevention" for injuries applied to youth and adult recreational field hockey players. A systematic review was conducted in Medline via Pubmed and in SPORTDiscus via EBSCOhost. Twenty-six ...
journal_title：Journal of sports sciences
pub_type： 杂志文章
doi：10.1080/02640414.2020.1764898
更新日期：2020-09-01 00:00:00
abstract：:In rowing, power is inevitably lost as kinetic energy is imparted to the water during push-off with the blades. Power loss is estimated from reconstructed blade kinetics and kinematics. Traditionally, it is assumed that the oar is completely rigid and that force acts strictly perpendicular to the blade. The aim of the...
journal_title：Journal of sports sciences
pub_type： 杂志文章
doi：10.1080/02640414.2010.495994
更新日期：2010-08-01 00:00:00
abstract：:Resistance training is a commonly used strategy for improving both athletic performance and general health. While the contribution of resistance training intensity and volume to muscle strength and hypertrophy have been extensively investigated, training frequency only recently received sufficient attention, especiall...
journal_title：Journal of sports sciences
pub_type： 杂志文章
doi：10.1080/02640414.2020.1822595
更新日期：2021-02-01 00:00:00
abstract：:The aim of this study was to assess the effects of nicotinamide adenine dinucleotide hydride (NADH) on maximal oxygen uptake (VO2max), maximal anaerobic running time, and mental performance. Eight men were exposed to a supplement treatment (30 mg NADH as ENACHI tablets per day) and to a placebo treatment, each of 4 we...
journal_title：Journal of sports sciences
pub_type： 杂志文章
doi：10.1080/02640410701474200
更新日期：2008-02-01 00:00:00
abstract：:We propose a new method, based on inertial sensors, to automatically measure at high frequency the durations of the main phases of ski jumping (i.e. take-off release, take-off, and early flight). The kinematics of the ski jumping movement were recorded by four inertial sensors, attached to the thigh and shank of junio...
journal_title：Journal of sports sciences
pub_type： 杂志文章,随机对照试验
doi：10.1080/02640414.2011.624538
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
pub_type： 杂志文章
doi：10.1080/02640410600812179
更新日期：2007-01-01 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
pub_type： 杂志文章
doi：10.1080/02640410701275185
更新日期：2007-12-01 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
pub_type： 杂志文章,评审
doi：10.1080/02640410903277427
更新日期：2009-10-01 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
pub_type： 杂志文章
doi：10.1080/02640414.2018.1469226
更新日期：2018-11-01 00:00:00
abstract：:We examined sexual dimorphism in the anthropometry of 68 Australasian and Pacific powerlifters (14 females, 54 males) who were competing in one of two national or international powerlifting competitions held in New Zealand. All powerlifters were assessed for 37 anthropometric dimensions by ISAK (International Society ...
journal_title：Journal of sports sciences
pub_type： 杂志文章
doi：10.1080/02640410701644034
更新日期：2008-03-01 00:00:00
abstract：:Coordinative variability (CAV) and underlying coordinative patterns are potential running-related overuse injury (RROI) mechanisms, but prospective analyses are needed. This study compared lower limb CAV and coordinative patterns between prospectively injured and uninjured runners. Knee, shank, and ankle kinematics we...
journal_title：Journal of sports sciences
pub_type： 杂志文章
doi：10.1080/02640414.2020.1804519
更新日期：2021-01-01 00:00:00
abstract：:Although elite athletes have been reported to be high academic achievers, many elite soccer players struggle with a stereotype of being low academic achievers. The purpose of this study was to compare the academic level (pre-university or pre-vocational) and self-regulatory skills (planning, self-monitoring, evaluatio...
journal_title：Journal of sports sciences
pub_type： 杂志文章
doi：10.1080/02640414.2010.516270
更新日期：2010-12-01 00:00:00
abstract：:Fundamental movement skills (FMS) are the basic building blocks of more advanced, complex movements required to participate in physical activity. This study examined FMS proficiency across the full range of Irish primary school children (n = 2098, 47% girls, age range 5-12 years). Participants were assessed using the ...
journal_title：Journal of sports sciences
pub_type： 杂志文章
doi：10.1080/02640414.2019.1651144
更新日期：2019-11-01 00:00:00
abstract：:Research has suggested the need to use a person-centred approach to examine multidimensionality of motivation. Guided by self-determination theory (Deci & Ryan, 1985), the primary aim of the present study was to examine the motivational profiles in table tennis players and their composition by gender, country, trainin...
journal_title：Journal of sports sciences
pub_type： 杂志文章
doi：10.1080/02640414.2018.1488517
更新日期：2018-12-01 00:00:00
abstract：:This study investigated differences in lower-limb coordination and coordination variability between experienced and novice runners during a prolonged run. Thirty-four participants were categorised as either experienced (n = 17) or novice runners (n = 17). All participants performed a 31-min treadmill run at their indi...
journal_title：Journal of sports sciences
pub_type： 杂志文章
doi：10.1080/02640414.2018.1539294
更新日期：2019-05-01 00:00:00
abstract：:System theory is classically applied to describe and to predict the effects of training load on performance. The classic models are structured by impulse-type transfer functions, nevertheless, most biological adaptations display exponential growth kinetics. The aim of this study was to propose an extension of the mode...
journal_title：Journal of sports sciences
pub_type： 杂志文章
doi：10.1080/02640414.2018.1494909
更新日期：2019-02-01 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
pub_type： 杂志文章
doi：10.1080/02640414.2020.1816313
更新日期：2021-02-01 00:00:00
abstract：:The number and type of landings performed after blocking during volleyball matches has been related to the potential risk of ACL injury. The aim of the present study was to determine whether gender affects the frequency of specific blocking landing techniques with potential risk of ACL injury from the perspective of f...
journal_title：Journal of sports sciences
pub_type： 杂志文章
doi：10.1080/02640414.2017.1346817
更新日期：2018-04-01 00:00:00
abstract：:The relationship between external training load and session rating of perceived exertion (s-RPE) training load and the impact that playing experience, playing position and 2-km time-trial performance had on s-RPE training load were explored. From 39 Australian Football players, 6.9 ± 4.6 training sessions were analyse...
journal_title：Journal of sports sciences
pub_type： 杂志文章
doi：10.1080/02640414.2014.947311
更新日期：2015-01-01 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
pub_type： 临床试验,杂志文章
doi：10.1080/02640410410001730007
更新日期：2004-11-01 00:00:00
abstract：:We examined the effects of pre-exercise sodium bicarbonate (NaHCO3) ingestion on the slow component of oxygen uptake (VO2) kinetics in seven professional road cyclists during intense exercise. One hour after ingesting either a placebo or NaHCO3 (0.3 g x kg body mass(-1)), each cyclist (age, 25 +/- 2 years; VO2max, 74....
journal_title：Journal of sports sciences
pub_type： 临床试验,杂志文章,随机对照试验
doi：10.1080/0264041031000070949
更新日期：2003-01-01 00:00:00
abstract：:The aim of the study was to evaluate, by an electromyographic (EMG) and mechanomyographic (MMG) combined approach, whether years of specific climbing activity induced neuromuscular changes towards performances related to a functional prevalence of fast resistant or fast fatigable motor units. For this purpose, after t...
journal_title：Journal of sports sciences
pub_type： 杂志文章
doi：10.1080/02640414.2015.1035738
更新日期：2016-01-01 00:00:00
abstract：:The time-course of physical recovery was determined after a 2-h 20-min, simulated cricket batting innings. Several vertical jump measures were assessed before (baseline), immediately after, 24 h after and 48 h after simulated batting. Six, male, academy cricketers (20 ± 2 years) completed a previously developed simula...
journal_title：Journal of sports sciences
pub_type： 杂志文章
doi：10.1080/02640414.2012.687113
更新日期：2012-01-01 00:00:00
