Knowledge representation and problem solution in expert and novice youth baseball players.

abstract：:Background: Combined exercise training has proven effective in preventing and treating sleep disorders among obese adults. However, structured progression of intensity in sleep parameters remains poorly investigated within this population. Purpose: To verify the effects of non-periodized and linear periodization combi...

journal_title：Research quarterly for exercise and sport

authors： Leonel LDS,Tozetto WR,Delevatti RS,Del Duca GF

更新日期：2020-09-22 00:00:00

abstract：:Convergent validity of accelerometer and electronic diary physical activity data was assessed in children with asthma. Sixty-two participants, ages 9-18 years, wore an accelerometer and reported their physical activity level in quarter-hour segments every 2 hr using the Ambulatory Diary Assessment (ADA). Moderate vali...

journal_title：Research quarterly for exercise and sport

authors： Floro JN,Dunton GE,Delfino RJ

更新日期：2009-06-01 00:00:00

abstract：:The influence of perceptions of the motivational climate and perceived ability on situational motivation and the physical activity behavior of 213 male and 229 female adolescent physical education students (M age = 12.56 years; SD = 0.96) was examined over a 3-day period. A significant age by gender interaction emerge...

journal_title：Research quarterly for exercise and sport

authors： Parish LE,Treasure DC

更新日期：2003-06-01 00:00:00

abstract：:The aim of this study was to compare the effects of physical practice with PETTLEP-based (Physical, Environment, Task, Timing, Learning, Emotion and Perspective; Holmes & Collins, 2001) imagery and PETTLEP + physical practice interventions on golf bunker shot performance. Thirty-two male county- or international-level...

journal_title：Research quarterly for exercise and sport

authors： Smith D,Wright CJ,Cantwell C

更新日期：2008-09-01 00:00:00

abstract：PURPOSE:Borrowing from Tuchman's (1978) concept of symbolic annihilation, the purpose of this study was to explore the ways in which physically active females were represented in children's picture books. METHOD:Employing a qualitative content analysis methodology (Hsieh & Shannon, 2005), the written and pictorial por...

journal_title：Research quarterly for exercise and sport

authors： Roper EA,Clifton AM

更新日期：2013-06-01 00:00:00

abstract：:Nordic walking (NW), characterized by the use of two walking poles, is becoming increasingly popular (Morgulec-Adamowicz, Marszalek, & Jagustyn, 2011). We studied walking pressure patterns of 20 experienced and 30 beginner Nordic walkers. Plantar pressures from nine foot zones were measured during trials performed at ...

journal_title：Research quarterly for exercise and sport

authors： Pérez-Soriano P,Llana-Belloch S,Martínez-Nova A,Morey-Klapsing G,Encarnación-Martínez A

更新日期：2011-12-01 00:00:00

abstract：:This study examined the development of self-perceptions of ability and achievement goals and their relationships in physical education. Three hundred and eight students in 4th, 8th, and 11th grades completed questionnaires assessing their goal orientations, conceptions of ability, and perceived competence in physical ...

journal_title：Research quarterly for exercise and sport

authors： Xiang P,Lee A

更新日期：1998-09-01 00:00:00

abstract：PURPOSE:The purpose of this study was to provide an integrated analysis of a teacher's peer-teaching mediation strategies, the student-coaches' instruction, and the students' gameplay development across 3 consecutive seasons of sport education. METHOD:Twenty-six 7th-grade students participated in 3 consecutive sport e...

journal_title：Research quarterly for exercise and sport

authors： Farias C,Mesquita I,Hastie PA,O'Donovan T

更新日期：2018-03-01 00:00:00

abstract：:The present study reported on translating the Exercise Identity Scale (EIS: Anderson & Cychosz, 1994) into Greek and examining its psychometric properties and cross-cultural validity based on U.S. individuals' EIS responses. Using four samples comprising 33, 103, and 647 Greek individuals, including exercisers and non...

journal_title：Research quarterly for exercise and sport

authors： Vlachopoulos SP,Kaperoni M,Moustaka FC,Anderson DF

更新日期：2008-09-01 00:00:00

abstract：:This research examined attentional bias toward exercise-related images using a visual probe task. It was hypothesized that more-active participants would display attentional bias toward the exercise-related images. The results showed that men displayed attentional bias for the exercise images. There was a significant ...

journal_title：Research quarterly for exercise and sport

authors： Berry TR,Spence JC,Stolp SM

更新日期：2011-06-01 00:00:00

abstract：:The Social Support Survey (SSS), validated by Richman, Rosenfeld, and Hardy (1993), is a multidimensional self-report measure of social support tested with student athletes. The SSS contains eight dimensions of support. For each dimension of support the same four questions are posed. The SSS could, therefore, be score...

journal_title：Research quarterly for exercise and sport

authors： Rees T,Hardy L,Ingledew DK,Evans L

更新日期：2000-12-01 00:00:00

abstract：:The present analysis aimed to describe the degree of tracking of physical activity over an 8-year follow-up period among a cohort of 557 adolescents in western Norway (13 years of age at baseline). Frequency and time spent in leisure-time physical activity were assessed at ages 13, 14, 15, 16, 18, 19 and 21 years thro...

journal_title：Research quarterly for exercise and sport

authors： Anderssen N,Wold B,Torsheim T

更新日期：2005-06-01 00:00:00

abstract：:An estimated 2.5 million people worldwide are living with multiple sclerosis (MS), and this disease may be increasing in prevalence. MS is a disease of the central nervous system that is associated with heterogeneous symptoms and functional consequences, and the current first-line disease-modifying therapies often bec...

journal_title：Research quarterly for exercise and sport

authors： Motl RW,Learmonth YC,Pilutti LA,Gappmaier E,Coote S

更新日期：2015-06-01 00:00:00

abstract：:Various models and methods have been proposed to address the worldwide decline in children's and youth's physical fitness, and the social-ecological model has shown some promise. Yet, the impact of the policy intervention, 1 component of that model, has not been evaluated carefully. Using limited data from policy docu...

journal_title：Research quarterly for exercise and sport

authors： Zhang C,Yang Y

更新日期：2017-03-01 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

authors： Wang H,Shen B,Bo J

更新日期：2020-10-08 00:00:00

abstract：:Qualitative research encompasses two distinct approaches, interpretive research and critical research. Locke has provided an excellent review of the assumptions and methods of interpretive research. His article provides an important service to the field by informing the broad range of scholars within physical educatio...

journal_title：Research quarterly for exercise and sport

authors： Bain LL

更新日期：1989-03-01 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

authors： Ennis CD,Chen A

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

authors： Morrow JR Jr,Ede A

更新日期：2009-12-01 00:00:00

abstract：:The purpose of this study was threefold: to determine (a) the test-retest reliability of the 20-m shuttle test (20 MST) (number of laps), (b) the concurrent validity of the 20 MST (number of laps), and (c) the validity of the prediction equation for VO2max developed by Léger, Mercier, Gadoury, and Lambert (1988) on Ca...

journal_title：Research quarterly for exercise and sport

authors： Liu NY,Plowman SA,Looney MA

更新日期：1992-12-01 00:00:00

abstract：PURPOSE:The aim of this study was to identify the effects of a differential-learning program, embedded in small-sided games, on the creative and tactical behavior of youth soccer players. Forty players from under-13 (U13) and under-15 (U15) were allocated into control and experimental groups and were tested using a ran...

journal_title：Research quarterly for exercise and sport

authors： Santos S,Coutinho D,Gonçalves B,Schöllhorn W,Sampaio J,Leite N

更新日期：2018-03-01 00:00:00

abstract：PURPOSE:Within the modern cultural climate, those in larger bodies face high levels of weight stigma, particularly in sport and physical activity spaces, which serves as a strong barrier to their participation. However, given the strong link between physical activity and general health and well-being for participants, ...

journal_title：Research quarterly for exercise and sport

authors： Pickett AC,Cunningham GB

更新日期：2017-09-01 00:00:00

abstract：:T'ai Chi Chuan (TCC) is a widely practiced Chinese martial art said to physically develop balance and coordination as well as enhance emotional and mental health. TCC consists of a series of postures combined into a sequential movement providing a smooth, continuous, low-intensity activity. The purpose of this study w...

journal_title：Research quarterly for exercise and sport

authors： Brown DD,Mucci WG,Hetzler RK,Knowlton RG

更新日期：1989-09-01 00:00:00

abstract：:Purpose: The present study aimed to investigate associations between hormonal profile (cortisol and testosterone) and the psychobiological aspects of Paralympic athletes during a competitive season. Method: Male Brazilian Paralympic swimmers (n = 11) were evaluated in three Training Camps (TC) during the cycle of trai...

journal_title：Research quarterly for exercise and sport

authors： Rosa JPP,Silva A,Rodrigues DF,Menslin R,Araújo LT,Vital R,Tufik S,Stieler E,de Mello MT

更新日期：2020-12-01 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

authors： Stephens DE

更新日期：2001-09-01 00:00:00

abstract：:We examined the factorial validity and factorial invariance of the 3-day physical activity recall (3DPAR) using confirmatory factor analysis. Adolescent girls from two cohorts (N = 955, N = 1,797) completed the 3DPAR in the eighth grade; participants in Cohort 2 (N = 1,658) completed the 3DPAR again 1 year later in th...

journal_title：Research quarterly for exercise and sport

authors： Motl RW,Dishman RK,Dowda M,Pate RR

更新日期：2004-09-01 00:00:00

abstract：:This study examined age-related differences in the role of visual proprioception during a lower limb interceptive action and how this varies as a function of skill and practice. In Experiment 1, skilled and less-skilled 8-, 10-, and 12-year-old boys controlled a soccer ball using their preferred foot under full vision...

journal_title：Research quarterly for exercise and sport

authors： Williams AM,Weigelt C,Harris M,Scott MA

更新日期：2002-12-01 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

authors： Mulvey GM,Kubo M,Chang CL,Ulrich BD

更新日期：2011-06-01 00:00:00

abstract：:The RT3 is a relatively new triaxial accelerometer that has replaced the TniTrac. The aim of this study was to validate the RT3 against doubly labeled water (DLW) in a free-living, mixed weight sample of adults. Total energy expenditure (TEE) was measured over a 15-day period using DLW Activity-related energy expendit...

journal_title：Research quarterly for exercise and sport

authors： Maddison R,Jiang Y,Hoorn SV,Mhurchu CN,Lawes CM,Rodgers A,Rush E

更新日期：2009-06-01 00:00:00

abstract：:Purpose: The purpose of this study was to evaluate the agreement of five commercially available accelerometers in estimating energy expenditure while performing an acute bout of high-intensity functional training (HIFT). Methods: Participants (n = 47; average age: 28.5 ± 11.6 years) consisted of recreationally active,...

journal_title：Research quarterly for exercise and sport

authors： Morris CE,Wessel PA,Tinius RA,Schafer MA,Maples JM

更新日期：2019-09-01 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

authors： Coolkens R,Ward P,Seghers J,Iserbyt P

更新日期：2018-12-01 00:00:00