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851.
João Martins Adilson Marques António Rodrigues Hugo Sarmento Marcos Onofre Francisco Carreiro da Costa 《Sport, Education and Society》2018,23(5):505-519
Based on a socio-ecological framework for physical education (PE), this study explored and analysed the perspectives of physically active and inactive adolescent boys and girls with different socioeconomic status (SES), regarding the meanings that PE had on their physical activity (PA) lifestyles throughout childhood and adolescence. An interpretative and qualitative design was adopted and operationalised through an individual two-hours in-depth interview. Thematic analysis identified five main themes that distinguish active from inactive adolescents: ‘Early experiences of PE at primary school’; ‘PE experiences in middle and secondary school’; ‘Friendly, professional and pedagogue. That’s what I want from my PE teacher’; ‘Friends in PE and PA’; ‘Active lifestyles? Are schools and PE ready for making a difference?…’. Regardless of the lifestyle, girls revealed more PE negative experiences, related to uninteresting and competitive activities, groups’ constitution and logistic factors. SES played a major role on their PA and PE experiences, with low SES adolescents having limited opportunities inclusively within the primary school PE context. This study provides evidence for the importance of promoting positive PE and PA experiences in early years. Based on adolescents’ voices, several recommendations are discussed that can be considered for improving PE professionals’ effectiveness in promoting active lifestyles. 相似文献
852.
The fiddle of using the Paralympic Games as a vehicle for expanding [dis]ability sport participation
AbstractIn this paper, we highlight the need to explore the excessive significance given to the Paralympic Games as a vehicle for the encouragement of participation of people with a disability within sport. The media spectacle around the games that the International Paralympic Committee (IPC) has worked tirelessly to develop has become, for policy-makers and the public alike, a sufficient outlet for disability sport provision. The honourable goals of the IPC articulated through the ethos of Paralympism have been assumed to be valid for all people with a disability, yet in terms of widening participation, their utility is limited. This paper first illuminates the relationship between the International Olympic Committee and the IPC before we turn our attention to the ethos of Paralympism. Highlighting the necessity for ‘sport for all’, we use a human rights lens, aided by a capabilities approach to facilitate better ways to educate the public about the need for equality of access to sporting participation opportunities. 相似文献
853.
João Paulo Lopes-Silva Jonatas Ferreira Da Silva Santos Guilherme Giannini Artioli Irineu Loturco Chris Abbiss Emerson Franchini 《European Journal of Sport Science》2018,18(3):431-440
Purpose: To investigate the effect of sodium bicarbonate (NaHCO3) on performance and estimated energy system contribution during simulated taekwondo combat. Methods: Nine taekwondo athletes completed two experimental sessions separated by at least 48?h. Athletes consumed 300?mg/kg body mass of NaHCO3 or placebo (CaCO3) 90?min before the combat simulation (three rounds of 2 min separated by 1 min passive recovery), in a double-blind, randomized, repeated-measures crossover design. All simulated combat was filmed to quantify the time spent fighting in each round. Lactate concentration [La?] and rating of perceived exertion (RPE) were measured before and after each round, whereas heart rate (HR) and the estimated contribution of the oxidative (WOXI), ATP (adenosine triphosphate)-phosphocreatine (PCr) (WPCR), and glycolytic (W[ La? ]) systems were calculated during the combat simulation. Results: [La?] increased significantly after NaHCO3 ingestion, when compared with the placebo condition (+14%, P?=?0.04, d?=?3.70). NaHCO3 ingestion resulted in greater estimated glycolytic energy contribution in the first round when compared with the placebo condition (+31%, P?=?0.01, d?=?3.48). Total attack time was significantly greater after NaHCO3 when compared with placebo (+13%, P?=?0.05, d?=?1.15). WOXI, WPCR, VO2, HR and RPE were not different between conditions (P?>?0.05). Conclusion: NaHCO3 ingestion was able to increase the contribution of glycolytic metabolism and, therefore, improve performance during simulated taekwondo combat. 相似文献
854.
Jorge E. Morais António J. Silva Nuno D. Garrido Daniel A. Marinho Tiago M. Barbosa 《European Journal of Sport Science》2018,18(6):787-795
The purpose of this study was to learn the interplay between dry-land strength and conditioning, and stroke biomechanics in young swimmers, during a 34-week training programme. Twenty-seven swimmers (overall: 13.33?±?0.85 years old; 11 boys: 13.5?±?0.75 years old; 16 girls: 13.2?±?0.92 years old) competing at regional- and national-level competitions were evaluated. The swimmers were submitted to a specific in-water and dry-land strength training over 34 weeks (and evaluated at three time points: pre-, mid-, and post-test; M1, M2, and M3, respectively). The 100-m freestyle performance was chosen as the main outcome (i.e. dependent variable). The arm span (AS; anthropometrics), throwing velocity (TV; strength), stroke length (SL), and stroke frequency (SF; kinematics) were selected as independent variables. There was a performance enhancement over time (M1 vs. M3: 68.72?±?5.57?s, 66.23?±?5.23?s; Δ?=??3.77%; 95% CI: ?3.98;?3.56) and an overall improvement of the remaining variables. At M1 and M2, all links between variables presented significant effects (p?.001), except the TV–SL and the TV–SF path. At M3, all links between variables presented significant effects (p?≤?.05). Between M1 and M3, the direct effect of the TV to the stroke biomechanics parameters (SL and SF) increased. The model predicted 89%, 88%, and 92% of the performance at M1, M2, and M3, respectively, with a reasonable adjustment (i.e. goodness-of-fit M1: χ2/df?=?3.82; M2: χ2/df?=?3.08; M3: χ2/df?=?4.94). These findings show that strength and conditioning parameters have a direct effect on the stroke biomechanics, and the latter one on the swimming performance. 相似文献
855.
Mota J Silva P Santos MP Ribeiro JC Oliveira J Duarte JA 《Journal of sports sciences》2005,23(3):269-275
The aims of this study were: (1) to observe participation in moderate-to-vigorous physical activity (MVPA) during school recess periods; (2) to determine the relative importance of physical activity during recesses to overall daily physical activity; and (3) to examine differences in physical activity between the sexes during unstructured recess periods. The participants were 22 school children (10 boys, 12 girls) aged 8 - 10 years (mean = 8.9, s = 0.7) in the third and fourth grades. Daily totals for the physical activity variables were calculated by summing the values for each hour of 14 h of physical activity measurements (08:00 to 22:00 h). Recess times (minutes) were as follows: morning 10:30 to 11:00 h and afternoon 15:30 to 16:00 h. We did not differences between boys and girls in daily total accelerometer counts or the overall time spent in MVPA. However, girls were significantly (P < 0.05) more involved (38%) in MVPA during recess time than boys (31%). Participation in MVPA during recess contributes significantly more (P < 0.05) for girls (19%) than boys (15%) to the total amount of physical activity suggested by international health-related physical activity guidelines, while the percentage of time engaged in MVPA during recess time at school accounts for a small amount of the daily MVPA (6% for boys and 8% for girls). The results of this study suggest that school recess time is an important setting to promote MVPA and contributes to daily physical activity in young children, especially in girls. 相似文献
856.
杨开达 《云南师范大学学报(哲学社会科学版)》2005,37(1):26-31
云南清代彝族李云程编著的《古文笔法百篇》,不遵成法,独辟蹊径,而取文章的笔法作 为选编的依据。从编辑学角度看,他以人为本,把教学法则运用到编纂此书中;从文章学角度看,其评论 广集众家之言,不少真知灼见,往往发他人所未发。该书成就他成为优秀的教育家、文论家。 相似文献
857.
858.
859.
Elaine S. LeVine 《Int J Intercult Relat》1978,2(4):361-371
This paper pinpoints three critical questions in pluralistic counseling: Are the psychological differences between ethnic groups extensive enough to necessitate ethnic-specific therapeutic techniques?; How should we educate and measure effectiveness of pluralistic therapists?; What research is needed to close gaps of our understanding about pluralistic therapy? Study of Hispanic cultures provides many examples of maladjustment syndromes that are culturally-specific. These culturally-specific syndromes of maladjustment among Hispanics are used to illustrate directions for developing ethnic-specific therapeutic modalities. The characteristics of effective pluralistic therapists as delineated in social and psychological literature are summarized, and directions for future research are outlined. 相似文献
860.