Abstract:
:This study examined changes in antagonist timing and magnitude in response to ballistic elbow flexion practice. Seventeen men performed 400 ballistic elbow flexion trials to a target in the horizontal plane over 4 days of testing. A potentiometer and microswitch system at the elbow axis of rotation of a manipulandum recorded angular displacement and movement onset. Surface electrodes (Beckman Ag/AgCl) monitored the triceps brachii lateral head, and the electromyographic (EMG) signals were bandpassed between 20 and 300 Hz. The antagonist EMG burst was divided in two: early low-level activity (ANT1), and the large portion of the burst which occurs near target achievement (ANT2). Movement time decreased from 178 ms on the first test day to 136 ms on the last session. As practice improved the speed of limb movement, onset of the first component (ANT1) remained unchanged, while the second component (ANT2) started earlier. The magnitude of both portions of the antagonist burst increased from the first to last test day, but the change in ANT2 relative to ANT1 was more pronounced. These findings are used to explain discrepant observations in the literature for the temporal measure.
journal_name
Res Q Exerc Sportjournal_title
Research quarterly for exercise and sportauthors
Gabriel DA,Boucher JPdoi
10.1080/02701367.1998.10607664subject
Has Abstractpub_date
1998-03-01 00:00:00pages
30-7issue
1eissn
0270-1367issn
2168-3824journal_volume
69pub_type
杂志文章abstract::This 4-year study, conducted in seven elementary schools assigned to three conditions--Physical Education Specialists (PES), Trained Classroom Teachers (TT), and Controls (CO)--had two parts. The first investigated effects of a health-related physical education program on quantity and quality of lessons. Specialists p...
journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.1997.10608009
更新日期:1997-12-01 00:00:00
abstract::Purpose: The present study compared the fatigue and perceptual responses to volume-load matched heavier- and lighter- load resistance exercise to momentary failure in both a local/exercised, and non-local/non-exercised limb. Methods: Eleven resistance-trained men undertook unilateral maximal voluntary contraction (MV...
journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.2020.1734521
更新日期:2020-05-13 00:00:00
abstract::Previous research has shown that experts exhibit superior response selection and skill execution during performance in youth sport. The purpose of this study was to examine differences in cognitive and skill execution components of game performance in young baseball players (N = 159) with varying levels of expertise. ...
journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.1995.10608833
更新日期:1995-09-01 00:00:00
abstract::Value orientations represent theoretical belief systems that guide teachers' curricular decision making. Research using the Value Orientation Inventory (VOI) to examine physical educators' value orientations in school settings found inconsistencies between the inventory findings, descriptions of class environments, an...
journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.1993.10607597
更新日期:1993-12-01 00:00:00
abstract::Statewide physical fitness testing is gaining popularity in the United States because of increased childhood obesity levels, the relations between physical fitness and academic performance, and the hypothesized relations between adult characteristics and childhood physical activity, physical fitness, and health behavi...
journal_title:Research quarterly for exercise and sport
pub_type:
doi:10.1080/02701367.2009.10599610
更新日期:2009-12-01 00:00:00
abstract::Purpose: The purpose of this study was to examine the job histories of physical education teacher education (PETE) graduates over a 15-year span. Method: A total of 118 graduates/participants completed a Qualtrics, open-ended survey. Face validity of the survey questions was established via a panel of experts and the ...
journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.2019.1633458
更新日期:2019-12-01 00:00:00
abstract::Purpose: To evaluate vascular function and its relationship to cardiorespiratory fitness in professional handball athletes. Method: We examined 30 male professional handball athletes (age 27 ± 4 y) and 10 male sedentary controls (age 26 ± 5 y) at rest. The workup included exercise testing via ergometry. To assess vasc...
journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.2019.1639602
更新日期:2019-12-01 00:00:00
abstract::Silhouette ratings of actual and ideal body fat (N = 258 high school students) were related to 4 self-concept scales (Body Fat, Physical Appearance, General Physical, Esteem) and objective body composition measures in order to test predictions from actual-ideal discrepancy models. Actual-ideal discrepancy scores were ...
journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.1996.10607921
更新日期:1996-03-01 00:00:00
abstract::This research assessed whether social physique anxiety moderated the relationship between physical self-perceptions and the level of physical activity involvement in young women. Participants were 354 female students who completed the Social Physique Anxiety Scale (SPAS), Physical Self-Perception Profile, Self-Adminis...
journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.2001.10608932
更新日期:2001-03-01 00:00:00
abstract::This article synthesizes the series of manuscripts on teacher effectiveness in physical education recently published by the Research Quarterly for Exercise and Sport and highlights both the consensus and points of disagreement. Although there is much agreement as to the mission to develop a physically active lifestyle...
journal_title:Research quarterly for exercise and sport
pub_type: 评论,杂志文章
doi:10.1080/02701367.2014.932656
更新日期:2014-09-01 00:00:00
abstract::The purpose of the article is to describe the relationships of prospective teachers' pedagogical knowledge structures to performance in a physical education teaching methods class. The Pathfinder network scaling algorithm was used to elicit knowledge structures prior to and after the prospective teachers completed the...
journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.1993.10608794
更新日期:1993-06-01 00:00:00
abstract:PURPOSE:The purpose was to develop a new method for assessing the potential bone-loading intensities of different locomotion activities by using accelerometers. METHOD:Thirty participants (women, N = 19; men, N = 11) with an average age of 40 years (SD = 18 years), performed 8 activities (3 self-selected speeds of wal...
journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.2014.897680
更新日期:2014-06-01 00:00:00
abstract::Purpose: The decision by the International Football Association Board in 2004 to approve the use of artificial surfaces in elite football (soccer) competitions remains controversial amongst many players, managers and coaching staff. The aim of this study was to conduct a comprehensive assessment of players' opinions t...
journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.2019.1660757
更新日期:2020-06-01 00:00:00
abstract::Although a generally positive effect of acute exercise on cognitive performance has been demonstrated, the specific nature of the relationship between exercise-induced arousal and cognitive performance remains unclear This study was designed to identify the relationship between exercise-induced arousal and cognitive p...
journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.2009.10599532
更新日期:2009-03-01 00:00:00
abstract::This study examined whether the walk-to-run transition speed (W-RTS) and the run-to-walk transition speed (R-WTS) were different or more variable between participants with and without intellectual disability (ID). Nine adults with ID and 10 adults without ID completed in a series of walk-to-run and run-to-walk trials ...
journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.2008.10599515
更新日期:2008-12-01 00:00:00
abstract::In my commentary in response to the 3 articles (McKenzie & Lounsbery, 2013; Rink, 2013; Ward, 2013), I focus on 3 areas: (a) content knowledge, (b) a holistic approach to physical education, and (c) policy impact. I use the term quality teaching rather than "teacher effectiveness." Quality teaching is a term with the ...
journal_title:Research quarterly for exercise and sport
pub_type: 评论,杂志文章
doi:10.1080/02701367.2014.904155
更新日期:2014-06-01 00:00:00
abstract::Perception of affordances research in children with developmental disabilities has only examined well practiced skills. Ten toddlers with Down syndrome and 10 with typical development walked across a GAITRite mat, with and without an obstacle. We coded the toddlers' behaviors after 1 and 3 months of walking experience...
journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.2011.10599748
更新日期:2011-06-01 00:00:00
abstract:PURPOSE:The purpose of this study was to examine the association between objectively measured physical activity and hearing sensitivity among a nationally representative sample of U.S. adults with diabetes. METHOD:Data from the 2003-2006 National Health and Nutrition Examination Survey were used. One hundred eighty-fo...
journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.2014.930404
更新日期:2014-09-01 00:00:00
abstract::This study was designed to extend previous research on aggressive tendencies and moral atmosphere in two ways: (a) to include participants of two skill levels in a summer youth basketball skill camp and (b) to examine the influence of the coach on participants' aggressive tendencies. The participants were 136 youth fr...
journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.2001.10608958
更新日期:2001-09-01 00:00:00
abstract::Kinematic, kinetic, and electromyography data were collected from the biceps femoris, rectus femoris (RF), gluteus maximus, and erector spinae (ES) during a step and elliptical exercise at a standardized workload with no hand use. Findings depicted 95% greater ankle plantar flexion (p = .01), 29% more knee extension (...
journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.2012.10599845
更新日期:2012-06-01 00:00:00
abstract::This research examined the role of value orientations in curricular decision making from the perspective of high school physical education teachers and students. Educational value orientations served as the theoretical base for the research. Teachers who exhibited one of two paired orientations, disciplinary mastery/l...
journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.1992.10607555
更新日期:1992-03-01 00:00:00
abstract::The purpose of this study was to examine differences in knowledge representation and problem solutions in expert and novice youth baseball players. Ninety-four players in two age divisions, 7-8 years of age and 9-10 years of age, were assigned to three levels of expertise: high; average; and low skilled. Each subject ...
journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.1996.10607970
更新日期:1996-12-01 00:00:00
abstract::Two experiments investigated the effects of a single reminder trial on immediate and delayed retention. Experiment 1 determined if beneficial effects of a reminder trial were a function of task order immediate retention performance benefited only when the reminder trial was practiced in the first block of trials. Expe...
journal_title:Research quarterly for exercise and sport
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1080/02701367.2005.10599261
更新日期:2005-03-01 00:00:00
abstract::In this review, we propose a social ecological constraint model to study inclusion of overweight or obese students in physical education by integrating key concepts and assumptions from ecological constraint theory in motor development and social ecological models in health promotion and behavior. The social ecologica...
journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章,评审
doi:10.1080/02701367.2012.10599254
更新日期:2012-12-01 00:00:00
abstract::Purpose: Health-related quality of life (HRQOL) reflects a perceived sense of physical and mental well-being over time, encompassing both physical health and psychosocial health. Although these two health concepts have been often examined as a whole, few studies have explored the possibility of mixed profiles. We desi...
journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.2020.1822985
更新日期:2020-10-08 00:00:00
abstract::Purpose: Golf coaches may recommend "blind" putting drills in which golfers close their eyes to improve their feel. Research on specificity of learning suggests, however, that adding or removing a source of sensory information after practicing under differing circumstances can cause performance decrements. Specificity...
journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章,随机对照试验
doi:10.1080/02701367.2019.1674443
更新日期:2020-06-01 00:00:00
abstract::We assessed the relationship between young children's movement skills and their physical activity in early adolescence. Balance, agility, eye-hand coordination, and skinfold thicknesses in 207 Mexican American and Anglo American children (104 boys, 103 girls) were measured at ages 4, 5, and 6 years. Habitual physical ...
journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.2002.10609017
更新日期:2002-09-01 00:00:00
abstract:PURPOSE:The purpose of this study was to identify whether post-resistance exercise (REx) blood flow restriction (BFR) can elicit a similar acute training stimulus to that offered by either heavy REx or traditional low-load BFR REx. METHOD:Ten men completed trials with 30% one-repetition maximum (1RM) for 5 sets of 15 ...
journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章,随机对照试验
doi:10.1080/02701367.2018.1510170
更新日期:2018-12-01 00:00:00
abstract:PURPOSE:To investigate the effect of generalization of engagement in parkour from physical education (PE) to organized and supervised recess on voluntary participation and moderate-to-vigorous physical activity (MVPA). METHOD:Children received a 6-day parkour unit in PE and every two lessons they could voluntarily par...
journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章,随机对照试验
doi:10.1080/02701367.2018.1521912
更新日期:2018-12-01 00:00:00
abstract:PURPOSE:The requirement for postural stability during the performance of motor skills has been clearly demonstrated in infants, but the necessity for such a postural substrate is not well documented in adults. The present study investigated the role of postural stability during a ballistic ball-kicking task in adults b...
journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章
doi:10.1080/02701367.2017.1303134
更新日期:2017-06-01 00:00:00