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A Faith-Integrated Physical Activity Intervention and Cardiometabolic Risk in African American Women. 非洲裔美国妇女的信仰与综合体育锻炼干预和心脏代谢风险。
IF 1.1 Q3 SPORT SCIENCES Pub Date : 2019-10-01
Lyndsey M Hornbuckle, Ziya Gizlice, Daniel P Heil, Melicia C Whitt-Glover

Purpose: To determine the effects of a 10-month secular (SEC) versus faith-integrated (FI) community-based physical activity (PA) intervention on cardiometabolic risk factors in low active, African-American women.

Methods: Participants (age: 55.4±11.6 years; body mass index (BMI): 36.0±7.9 kg/m2; average baseline steps/day: 3,807±1,250) from a larger study (n=418) participated in a sub-study to measure cardiometabolic disease indicators (primary outcomes) and PA (secondary outcomes) pre- and post-intervention (SEC: n=42; FI: n=43). Height, weight, waist and hip circumferences, resting blood pressure, hemoglobin A1c, average steps/day, sedentary behavior, light-intensity physical activity (LPA), and moderate-to-vigorous-intensity physical activity (MVPA) were acquired at baseline and 10 months. Multivariate generalized linear mixed models that included churches as a random effect were used to compare mean changes in outcomes at 10 months between the two study groups (α=0.05).

Results: The FI group showed significant time effects for weight (93.4±2.4 to 92.2±2.3 kg), BMI (35.7±1.0 to 35.3±1.0 kg/m2), and waist circumference (106.9±2.2 to 103.8±2.5 cm), while the SEC group had a significant time effect for hip circumference (121.6±1.9 to 119.9±1.7 cm). There were no time effects in either group for blood pressure, hemoglobin A1c, steps/day, sedentary time, or MVPA. FI significantly decreased LPA in both 1-minute activity bouts (641±13 to 588±16 minutes/day) and 10-minute bouts (536±11 to 479±15 minutes/day). There were no significant differences between SEC and FI for any variable.

Conclusions: The improvements in body weight, BMI, and waist circumference shown after the FI intervention could have long-term implications on cardiometabolic health, particularly if exercise is continued. Further research is needed to examine the effects of culturally-relevant interventions on chronic disease indicators in African-American women, particularly those established as high risk for cardiometabolic disease.

目的:确定为期 10 个月的世俗(SEC)与信仰融合(FI)社区体育活动(PA)干预对低运动量非裔美国妇女的心脏代谢风险因素的影响:参与者(年龄:55.4±11.6 岁;体重指数(BMI):36.0±7.9 kg/m2;平均基线步数/天:来自一项大型研究的参与者(418 人)参加了一项子研究,测量干预前后的心脏代谢疾病指标(主要结果)和 PA(次要结果)(SEC:42 人;FI:43 人)。分别在基线和 10 个月时测量身高、体重、腰围和臀围、静息血压、血红蛋白 A1c、平均步数/天、久坐行为、轻度体力活动 (LPA) 和中度至剧烈体力活动 (MVPA)。采用将教堂作为随机效应的多变量广义线性混合模型来比较两个研究组 10 个月时结果的平均变化(α=0.05):FI组在体重(93.4±2.4 至 92.2±2.3公斤)、体重指数(35.7±1.0 至 35.3±1.0公斤/平方米)和腰围(106.9±2.2 至 103.8±2.5厘米)方面有明显的时间效应,而SEC组在臀围(121.6±1.9 至 119.9±1.7厘米)方面有明显的时间效应。两组在血压、血红蛋白 A1c、每天步数、久坐时间或 MVPA 方面都没有时间效应。在 1 分钟活动间隔(641±13 到 588±16 分钟/天)和 10 分钟活动间隔(536±11 到 479±15 分钟/天)中,FI 均能明显降低 LPA。在任何变量上,SEC 和 FI 之间均无明显差异:结论:FI 干预后体重、体重指数和腰围的改善可能会对心脏代谢健康产生长期影响,尤其是在继续锻炼的情况下。还需要进一步研究与文化相关的干预措施对非裔美国妇女慢性疾病指标的影响,尤其是那些已被确定为心脏代谢疾病高风险人群。
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引用次数: 0
Mediators of a 12-month change in physical activity in ethnically diverse sample of postpartum women. 不同种族的产后妇女12个月体力活动变化的中介因素。
Q3 SPORT SCIENCES Pub Date : 2019-10-01 DOI: 10.1249/TJX.0000000000000106
Cheryl L Albright, Lynne R Wilkens, Kara Saiki, Kami K White, Alana D Steffen

Purpose: Understanding theoretically derived social and behavioral mediators of long-term increases in physical activity (PA) in a vulnerable population at risk for being underactive is needed to inform future research, clinical applications, and public health efforts. This is an analysis of potential mediators of an intervention that increased long-term (12-month) moderate-to-vigorous physical activity (MVPA) in postpartum (2-12months) women in a randomized trial, using a longitudinal analysis.

Methods: Healthy, underactive (i.e., not meeting national guidelines for MVPA) women (n = 311; mean age = 32 ± 5.6 years, 85% minorities) with infants (mean age: 5.7 ± 2.8 months) were randomly assigned to either a tailored eHealth condition consisting of personalized telephone counseling plus access to a website tailored to new mothers' MVPA issues or to a standard MVPA materials-only website. MVPA was assessed via surveys completed at baseline, then 6 and 12 months later. Theoretically derived mediators included social support for MVPA, self-efficacy to increase MVPA, barriers to increasing MVPA, and benefits of increasing MVPA.

Results: All mediators, except benefits, improved over the 12 months in the tailored eHealth condition. The tailored condition's effect on increasing MVPA from 6 months to 12 months was mediated by an increase in social support from baseline to six months. No other hypothesized mediators were significant.

Conclusion: Our results demonstrated that learning strategies to increase social support for MVPA was instrumental in new mothers' increase in MVPA over a 12 month intervention. During this brief but impactful life-stage, where the focus can understandably be on her baby, being able to elicit support from friends and family may facilitate women's efforts to focus on their own needs with respect to MVPA.

Trial registration: ClinicalTrials.gov number.

目的:了解存在运动不足风险的弱势人群长期增加身体活动(PA)的理论推导的社会和行为中介因素,为未来的研究、临床应用和公共卫生工作提供信息。本文采用纵向分析的方法,对一项随机试验中增加产后(2-12个月)妇女长期(12个月)中高强度体力活动(MVPA)的干预措施的潜在介质进行了分析。方法:健康、运动不足(即未达到国家MVPA指南)的妇女(n = 311;平均年龄= 32±5.6岁,85%少数民族),婴儿(平均年龄:5.7±2.8个月)被随机分配到一个定制的电子健康条件,包括个性化电话咨询和访问为新妈妈量身定制的MVPA问题的网站,或访问标准的MVPA材料网站。通过基线时完成的调查评估MVPA,然后在6个月和12个月后进行评估。理论推导的中介因素包括社会对MVPA的支持、增加MVPA的自我效能、增加MVPA的障碍和增加MVPA的益处。结果:在量身定制的电子健康条件下,除益处外,所有介质在12个月内均有所改善。从6个月到12个月,量身定制的条件对增加MVPA的影响是通过从基线到6个月的社会支持增加来调节的。没有其他假设的中介是显著的。结论:我们的研究结果表明,在为期12个月的干预中,增加社会支持的学习策略在新妈妈的MVPA增加中起着重要作用。在这个短暂但影响深远的人生阶段,重点可以放在她的孩子身上,能够得到朋友和家人的支持可能有助于女性关注自己在MVPA方面的需求。试验注册:ClinicalTrials.gov号码。
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引用次数: 4
A 2-yr Biomechanically Informed ACL Injury Prevention Training Intervention in Female Field Hockey Players 2年生物力学知情前交叉韧带损伤预防训练干预在女子曲棍球运动员中的应用
Q3 SPORT SCIENCES Pub Date : 2019-10-01 DOI: 10.1249/TJX.0000000000000105
G. Weir, J. Alderson, B. Elliott, Shina (née: Lee) Leow, D. Devaprakash, K. Starre, C. Goodman, J. Cooke, C. Rechichi, J. Armstrong, B. Jackson, C. Donnelly
Anterior cruciate ligament (ACL) injury prevention programs have been shown to have mixed success in reducing injury rates, raising the question whether these programs are effectively targeting biomechanical mechanisms of injury. The current study examined the efficacy of a biomechanically informed ACL injury prevention training program in reducing injury risk and injury incidence and investigated its effect on athletic performance. Twenty-six elite female field hockey players participated in this study. Athletes participated in a 2-yr injury prevention training program. Injury incidence (i.e., lower limb and ACL) and athletic performance (i.e., strength, speed, and aerobic power) were measured during a control season and after two intervention seasons. Biomechanical ACL injury risk factors were recorded during unplanned sidestepping at baseline and after intensive (9 wk: 4 × 20 min·wk−1) and maintenance (16 wk: 3 × 10 min·wk−1) training phases for a subset of athletes (n = 17). Training was effective in reducing ACL and lower limb injury incidence after the 2-yr program, where zero ACL injuries occurred after implementation (vs 0.4 per 1000 player hours in the control year). High-risk athletes reduced their peak knee valgus moments by 30% (P = 0.045) and demonstrated improvements in desirable muscle activation strategies after intensive training. The majority of benefits elicited in intensive training were retained during the maintenance phase. One-repetition max strength, beep test scores, and sprint times improved or were maintained over the 2-yr intervention period. Biomechanically informed injury prevention training was successful in reducing both biomechanical ACL injury risk factors and ACL injury incidence while maintaining and/or improving athletic performance. It is important to consider the biomechanical mechanisms of injury when designing injury prevention programs.
前交叉韧带(ACL)损伤预防计划在降低损伤率方面取得了喜忧参半的成功,这就提出了这些计划是否有效针对损伤的生物力学机制的问题。目前的研究考察了生物力学知情的前交叉韧带损伤预防训练计划在降低损伤风险和损伤发生率方面的有效性,并调查了其对运动成绩的影响。26名优秀女子曲棍球运动员参与了这项研究。运动员参加了为期2年的预防伤害训练项目。在对照季节和两个干预季节后测量损伤发生率(即下肢和前交叉韧带)和运动表现(即力量、速度和有氧能力)。在基线非计划侧移期间以及在一组运动员(n=17)的强化(9周:4×20分钟·周-1)和维持(16周:3×10分钟·周-1)训练阶段之后,记录生物力学前交叉韧带损伤风险因素。两年计划实施后,训练有效降低了前交叉韧带和下肢损伤的发生率,实施后前交叉韧带损伤为零(对照年为每1000名球员小时0.4次)。高风险运动员的峰值膝外翻时间减少了30%(P=0.045),并在强化训练后表现出理想的肌肉激活策略的改善。在强化训练中获得的大部分好处都保留在维修阶段。在2年的干预期内,一次重复的最大强度、嘟嘟声测试分数和冲刺时间得到了改善或保持。生物力学知情损伤预防训练在保持和/或提高运动成绩的同时,成功地降低了生物力学ACL损伤风险因素和ACL损伤发生率。在设计损伤预防方案时,考虑损伤的生物力学机制是很重要的。
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引用次数: 4
Occupational Differences in Barriers and Incentives for Routine Exercise among Municipal Workers 市政工人日常锻炼的障碍和激励因素的职业差异
Q3 SPORT SCIENCES Pub Date : 2019-10-01 DOI: 10.1249/tjx.0000000000000094
B. Melton, T. K. Kessinger, G. Ryan, A. Riggs
The U.S. Department of Health and Human Services recommends that employers create healthy worksites through promotion wellness programs that included routine exercise, daily physical activity, and nutritional education among other initiatives. This study aimed to identify barriers and incentives of routine exercise in varying occupations among rural municipal workers in Southeast Georgia. A cross-sectional research design was used to evaluate the barriers and incentives for exercise among rural municipal workers in a rural setting. The four occupational departments used for analysis were as follows: fire, police, public works, and administration/other. An electronic survey was sent to all 309 workers on November 2016. The survey asked for participants to rank 10 common exercise barriers and incentives. One-hundred and twenty-three (~40%) complete responses were used for analysis. Based on a personal ranking, lack of time to exercise (mean = 2.2), inconvenient time/location of a facility (2.5), and no motivation (5.3) were found to be the top three barriers across all employees. No significant differences (P > 0.05) between departments were found for nine of the exercise barrier rankings. “Cost is too much” was only significantly different result found (P = 0.019) between departments, with fire department reporting lower than the other departments. Another barrier approaching significance was “feel awkward exercising” (P = 0.054). The results suggest that a variation of motivators and incentives, depending on occupational responses, could be a successful means of improving exercise in all employees, instead of implementing a single motivating tactic based on the raw majority.
美国卫生与公众服务部建议雇主通过促进健康计划创建健康的工作场所,包括日常锻炼、日常体育活动和营养教育等举措。本研究旨在确定佐治亚州东南部农村市政工人在不同职业中进行日常锻炼的障碍和激励因素。采用横断面研究设计来评估农村环境中农村市政工人锻炼的障碍和激励措施。用于分析的四个职业部门如下:消防、警察、公共工程和行政/其他部门。2016年11月,向所有309名工人发送了一份电子调查。该调查要求参与者对10种常见的锻炼障碍和激励因素进行排名。123个(约40%)完整的回答被用于分析。根据个人排名,缺乏锻炼时间(平均值=2.2)、不方便的时间/地点(2.5)和没有动力(5.3)被发现是所有员工的前三大障碍。在9个运动障碍排名中,各部门之间没有发现显著差异(P>0.05)。“成本太高”的结果在不同部门之间只有显著差异(P=0.019),消防部门的报告低于其他部门。另一个接近显著性的障碍是“感到尴尬的锻炼”(P=0.054)。研究结果表明,根据职业反应,激励因素和激励措施的变化可能是改善所有员工锻炼的成功手段,而不是基于原始多数实施单一的激励策略。
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引用次数: 0
A Faith-Integrated Physical Activity Intervention and Cardiometabolic Risk in African American Women. 信仰综合体育活动干预与非裔美国妇女心脏代谢风险。
Q3 SPORT SCIENCES Pub Date : 2019-10-01 DOI: 10.1249/tjx.0000000000000110
Lyndsey M. Hornbuckle, Z. Gizlice, D. Heil, M. Whitt-Glover
PURPOSETo determine the effects of a 10-month secular (SEC) versus faith-integrated (FI) community-based physical activity (PA) intervention on cardiometabolic risk factors in low active, African-American women.METHODSParticipants (age: 55.4±11.6 years; body mass index (BMI): 36.0±7.9 kg/m2; average baseline steps/day: 3,807±1,250) from a larger study (n=418) participated in a sub-study to measure cardiometabolic disease indicators (primary outcomes) and PA (secondary outcomes) pre- and post-intervention (SEC: n=42; FI: n=43). Height, weight, waist and hip circumferences, resting blood pressure, hemoglobin A1c, average steps/day, sedentary behavior, light-intensity physical activity (LPA), and moderate-to-vigorous-intensity physical activity (MVPA) were acquired at baseline and 10 months. Multivariate generalized linear mixed models that included churches as a random effect were used to compare mean changes in outcomes at 10 months between the two study groups (α=0.05).RESULTSThe FI group showed significant time effects for weight (93.4±2.4 to 92.2±2.3 kg), BMI (35.7±1.0 to 35.3±1.0 kg/m2), and waist circumference (106.9±2.2 to 103.8±2.5 cm), while the SEC group had a significant time effect for hip circumference (121.6±1.9 to 119.9±1.7 cm). There were no time effects in either group for blood pressure, hemoglobin A1c, steps/day, sedentary time, or MVPA. FI significantly decreased LPA in both 1-minute activity bouts (641±13 to 588±16 minutes/day) and 10-minute bouts (536±11 to 479±15 minutes/day). There were no significant differences between SEC and FI for any variable.CONCLUSIONSThe improvements in body weight, BMI, and waist circumference shown after the FI intervention could have long-term implications on cardiometabolic health, particularly if exercise is continued. Further research is needed to examine the effects of culturally-relevant interventions on chronic disease indicators in African-American women, particularly those established as high risk for cardiometabolic disease.
目的确定10个月的长期(SEC)与信仰综合(FI)社区体育活动(PA)干预对低活动性非裔美国妇女心脏代谢风险因素的影响。方法受试者(年龄:55.4±11.6岁;体重指数:36.0±7.9 kg/m2;平均基线步数/天:3807±1250)参与了一项亚研究,以测量干预前后的心脏代谢疾病指标(主要结果)和PA(次要结果)(SEC:n=42;FI:n=43)。在基线和10个月时测量身高、体重、腰围和臀围、静息血压、血红蛋白A1c、平均步数/天、久坐行为、轻强度体力活动(LPA)和中等强度至剧烈强度体力活动。使用包括教堂作为随机效应的多变量广义线性混合模型来比较两个研究组在10个月时的平均结果变化(α=0.05)。结果FI组在体重(93.4±2.4至92.2±2.3 kg)、BMI(35.7±1.0至35.3±1.0 kg/m2)和腰围(106.9±2.2至103.8±2.5 cm)方面表现出显著的时间效应,而SEC组对臀围有显著的时间效应(121.6±1.9至119.9±1.7cm)。两组的血压、血红蛋白A1c、步数/天、久坐时间或MVPA均无时间效应。FI在1分钟的活动周期(641±13至588±16分钟/天)和10分钟的活动期(536±11至479±15分钟/日)中均显著降低LPA。SEC和FI在任何变量上都没有显著差异。结论FI干预后体重、BMI和腰围的改善可能对心脏代谢健康产生长期影响,特别是如果继续运动。需要进一步研究文化相关干预措施对非裔美国妇女慢性病指标的影响,特别是那些被确定为心脏代谢疾病高风险的妇女。
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引用次数: 2
Time to Elevate the Education of Clinical Exercise Physiologists: A Professional Doctorate Model 提高临床运动生理学家教育水平的时代:一个专业博士模式
Q3 SPORT SCIENCES Pub Date : 2019-09-15 DOI: 10.1249/TJX.0000000000000093
C. Ozemek, L. Kaminsky, P. Brubaker, C. Lavie, R. Arena
The increasing prevalence of noncommunicable diseases and multimorbidity negatively affects an individual’s quality of life and health trajectory; this trend and resultant personal and clinical outcomes are of significant concern. Healthy living (HL) behaviors (physical activity, dietary modification, smoking cessation, and medication compliance) are known to provide substantial health benefits that slow the progression or in some cases reverse the deleterious effects associated with inactivity and consumption of a diet high in sodium, fat content, added sugars, and energy-dense foods. However, it is becoming increasingly clear that a one-size-fits-all approach to HL interventions in populations at risk for or diagnosed with noncommunicable diseases is inadequate to promote optimization of health outcomes. Practitioners implementing HL interventions, such as clinical exercise physiologists (CEP), must instead understand the complexity or multimorbidity phenotypes and be able to effectively tailor programs for each condition. Although CEP may receive master’s level training in this area, the rise in patients with complex multimorbidity warrants consideration of elevating the professional expectations to better prepare CEP in training to deliver highly effective primary and secondary prevention HL interventions. Many licensed allied health professions (i.e., physical therapy, pharmacy, occupational therapy, nursing, nutrition, etc.) have recognized the call to move toward professional doctoral degree programs to better prepare practitioners within their field. This article proposes a professional doctorate degree program aimed at enhancing the training of CEP to become highly effective practitioners.
非传染性疾病和多病的日益流行对个人的生活质量和健康轨迹产生负面影响;这种趋势和由此产生的个人和临床结果值得关注。健康生活(HL)行为(体育活动、饮食调整、戒烟和药物依从性)提供了实质性的健康益处,可以减缓进展,或在某些情况下逆转与不活动和高钠、高脂肪、添加糖和高能量食物的饮食相关的有害影响。然而,越来越清楚的是,对有非传染性疾病风险或被诊断为非传染性疾病的人群采取一刀切的HL干预措施,不足以促进健康结果的优化。实施HL干预的从业者,如临床运动生理学家(CEP),必须了解复杂性或多发病表型,并能够有效地为每种情况量身定制方案。尽管CEP可能在该领域接受硕士水平的培训,但复杂多病患者的增加需要考虑提高专业期望,以更好地为CEP培训做好准备,提供高效的一级和二级预防HL干预措施。许多有执照的联合健康专业(即,物理治疗,药学,职业治疗,护理,营养等)已经认识到转向专业博士学位课程的呼吁,以更好地为他们领域的从业者做好准备。本文提出了一个专业的博士学位课程,旨在加强CEP的培训,使其成为高效的实践者。
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引用次数: 8
Prescription Thyroid Replacement Does Not Affect Outcomes in an Intensive Weight Reduction Program 处方甲状腺替代不影响强化减肥计划的结果
Q3 SPORT SCIENCES Pub Date : 2019-09-15 DOI: 10.1249/TJX.0000000000000092
Gerald C. Dembrowski, Jessica W. Barnes
With the complex role of the thyroid in metabolism and conflicting evidence of weight gain or loss as a result of prescription thyroid hormone replacement (THR), it is important to understand how THR affects weight loss beyond the standard measures of body weight % and body mass index (BMI). We examined differences in body composition improvement in individuals taking and not taking THR over 60 d of an intensive weight loss program. The 20Lighter Program (T20LP), a doctor-supervised weight loss and metabolic health program, included 6 wk of patent-pending very low calorie meal plans and a 3-wk customized transition back to a normal dietary intake. Of 2200 participants completing T20LP by December 31, 2017, ~10% reported taking prescription THR. From initial baseline to 60 d, T20LP participants from both groups showed statistically significant and clinically meaningful reductions in body weight, BMI, % body fat, visceral fat, metabolic age, and increases in % body water. To our knowledge, our study is the first large-scale analysis comparing weight loss outcomes in participants who take THR and participants who do not. Our data show both groups do equally well with respect to % body weight lost, BMI reduction, body fat and visceral fat reduction, and improvement in tissue hydration, and we found no disadvantage in any physiologic or metabolic outcome in weight loss participants on THR. Weight loss participants requiring prescription THR are capable of achieving body composition and metabolic improvements on par with those who do not require prescription THR.
由于甲状腺在代谢中的复杂作用以及处方甲状腺激素替代(THR)导致体重增加或减少的相互矛盾的证据,了解THR如何影响体重减轻是很重要的,超出了体重百分比和体重指数(BMI)的标准测量。我们研究了在60天的强化减肥计划中,服用和不服用THR的个体在身体成分改善方面的差异。20Lighter Program (T20LP)是一项由医生监督的减肥和代谢健康计划,包括6周正在申请专利的极低卡路里饮食计划和3周的定制过渡到正常饮食摄入量。在截至2017年12月31日完成T20LP的2200名参与者中,约10%的人报告服用处方THR。从初始基线到60 d,两组T20LP参与者的体重、BMI、体脂百分比、内脏脂肪、代谢年龄和体水百分比均有统计学意义和临床意义的降低。据我们所知,我们的研究是第一个比较服用THR和不服用THR的参与者减肥结果的大规模分析。我们的数据显示,两组在体重减轻%、BMI降低、体脂和内脏脂肪减少以及组织水化改善方面都做得很好,而且我们发现,服用THR的减肥参与者在任何生理或代谢结果上都没有不利之处。需要处方THR的减肥参与者能够达到与不需要处方THR的人相同的身体成分和代谢改善。
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引用次数: 3
Classroom-Based Physical Activity and On-Task Behavior 基于课堂的体育活动和任务行为
Q3 SPORT SCIENCES Pub Date : 2019-09-01 DOI: 10.1249/TJX.0000000000000099
M. Mahar
Schools are valuable locations to promote physical activity becausemost children are in school for large portions of the day and year. However, the main objective of most schools is to teach academic skills. For school personnel to implement classroom-based physical activity programs, they need to be convinced that these programs will help the students learn better. Teachers understand and value the concept of on-task behavior or paying attention. Without attentional focus, students do not learn. Thus, if research demonstrates that participation in classroombased physical activity programs enhances on-task behavior, teachersmay bemore likely to implement these programs. Although on-task behavior in the authentic classroom setting is difficult to measure, the accumulated evidence about the effect of classroom-based physical activity on on-task behavior is convincing. This article presents an overview of measurement issues associated with directly observed on-task behavior in schools and a summary of the key studies that have made a substantial contribution to the literature in this field. Various research designs and statistical comparisons have been used to examine these relationships. Several research studies have included examination of the effect of physical activity on on-task behavior within subgroups of students (e.g., level of attention, sex, fitness, race/ethnicity, and socioeconomic status). In summary, research demonstrates that classroom-based physical activity enhances on-task behavior compared with traditional sedentary learning environments, and this benefit appears to hold for all subgroups of students that have been examined. Specific suggestions to enhance the implementation of classroom-based physical activity and to further develop the research base are provided. INTRODUCTION Health benefits of physical activity are widely known (1,2); however, less is known about the additional benefits or potential limitations of physical activity when it is incorporated into the classroom. Research on the effectiveness of classroombased physical activity began to be published around the mid-2000s. Integrating physical activity into the classroom can help youth meet the U.S. Physical Activity Guidelines (3). Part of the Physical Activity Guidelines recommends that youth School of Exercise and Nutritional Sciences, San Diego State University,
学校是促进体育活动的宝贵场所,因为大多数孩子一年中大部分时间都在学校。然而,大多数学校的主要目标是教授学术技能。对于学校工作人员来说,实施基于课堂的体育活动计划,他们需要相信这些计划将帮助学生更好地学习。教师理解并重视任务行为或注意力的概念。没有注意力的集中,学生就不会学习。因此,如果研究表明,参与基于课堂的体育活动计划可以增强任务行为,那么教师可能更有可能实施这些计划。尽管在真实的课堂环境中进行任务行为很难衡量,但关于课堂体育活动对任务行为影响的累积证据是令人信服的。本文概述了与学校中直接观察到的任务行为相关的测量问题,并总结了对该领域文献做出重大贡献的关键研究。已经使用了各种研究设计和统计比较来检验这些关系。几项研究包括检查体育活动对学生亚组任务行为的影响(例如,注意力水平、性别、体质、种族/民族和社会经济地位)。总之,研究表明,与传统的久坐学习环境相比,基于课堂的体育活动可以增强任务行为,这一益处似乎适用于所有接受过检查的学生亚组。提出了加强课堂体育活动实施和进一步发展研究基地的具体建议。引言体育活动对健康的益处是众所周知的(1,2);然而,当体育活动被纳入课堂时,人们对其额外的好处或潜在的局限性知之甚少。关于课堂体育活动有效性的研究于2000年代中期开始发表。将体育活动融入课堂可以帮助青少年达到美国体育活动指南(3)。《体育活动指南》的一部分建议圣地亚哥州立大学青少年运动与营养科学学院,
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引用次数: 10
A Review of Acute Physical Activity Effects on Brain and Cognition in Children 急性体育活动对儿童脑和认知的影响
Q3 SPORT SCIENCES Pub Date : 2019-09-01 DOI: 10.1249/TJX.0000000000000101
C. Hillman, Nicole E. Logan, T. Shigeta
The prevalence of physical inactivity in children has become a global pandemic and has consequences for physical, as well as cognitive and brain, health. Single bouts of physical activity (PA), however, have shown a transient, positive effect on cognitive performance in preadolescent children. Acute bouts of moderate to vigorous PA have demonstrated benefits for cognition, including attention and executive function. These acute effects of PA on cognitive performance can be seen both immediately after and following a delay from the cessation of PA. Further, event-related potentials have been used to delineate real-time neural responses to behavioral tasks after PA interventions. A short bout of moderate-intensity aerobic PA serves to increase the allocation of attentional resources and improved cognitive processing and stimulus classification speed. As such, there are implications for evaluating the effect of PA within schools. Several neural mechanisms are suggested to explain the observed improvements in executive function after PA, such as the importance of brain-derived neurotrophic factor on synaptogenesis, the expression of human growth factors, the activated release of catecholamines, and increased blood lactate levels. The ensuing descriptive review demonstrates the current understanding of the effects of acute PA on childhood brain and cognition and may serve as a basis for understanding PA-induced improvements in academic achievement. INTRODUCTION In an era where physical inactivity has become a global pandemic (1), adverse effects have been observed not only for children’s physical health (2) but also their psychosocial well-being (3). Only 1/3 of boys and 1/5 of girls in Western countries are physically active at the recommended levels to optimize their health (i.e., >60min of daily moderate to vigorous physical activity (PA); (4)). The shift to a more sedentary lifestyle is contrary to our evolution as a physically active species; thus, our genetic makeup is maladapted to the sedentary lifestyle of today (5,6). As such, sedentary behavior represents a physiological disjunction from healthy (i.e., physically active) behaviors and has implications for poorer cognitive and brain health (7). Northeastern University, Boston, MA Address for correspondence: Charles H. Hillman, Department of Psychology, Northeastern University, 635 ISEC, 360 Huntington Avenue, Boston, MA 02115 (E-mail: c.hillman@northeastern.edu). 2379-2868/0417/0132–0136 Translational Journal of the ACSM Copyright © 2019 by the American College of Sports Medicine 132 Volume 4 • Number 17 • September 1 2019 Copyright © 2019 by the American College of Sports Medicine. Unauthorized repro Although children in industrialized countries are growing increasingly inactive and unhealthy, the investigation of the effects of PA on cognitive and brain health during development has only recently been recognized. A recentmeta-analysis observed that single bouts of PA had a small, positive
认知灵活性(也称为“心理灵活性”或“设置转换”)是指快速灵活地改变观点、集中注意力和调整行为以执行目标导向行动的能力(28,31)。在成熟过程中,相对于其他认知过程,执行控制表现出持久的发展(32)
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引用次数: 40
Physical Environments for Active Schools: Future Directions for Transdisciplinary Research 活跃学校的物理环境:跨学科研究的未来方向
Q3 SPORT SCIENCES Pub Date : 2019-09-01 DOI: 10.1249/TJX.0000000000000097
M. Laboy
The rise in childhood obesity coincides with children spending more of their formative years in child care or school environments, settings found to be strong predictors of children’s physical activity. Although most efforts focus on the social environment of the school, studies show there is potential to develop better evidence-based design guidelines for interventions in the physical environment that can afford more physical activity and support or complement other initiatives. In the context of the school, multiple studies long established that physical activity is correlated with time spent outside, but more recent studies found that the intentional design of outdoor spaces to have certain characteristics results in more participation of different groups and higher physical activity generally. However, there are many documented physical and social barriers to going outside, some of which could potentially be overcome through better design of the relationship between inside and outside, but there has been far less research into how the physical environment of the school building enables or hinders going outside in the first place. This article reviews and summarizes important findings in the literature that provide evidence of the effects that the physical environment of the school has on children’s health and resilience generally, andon their physical activitymore specifically; presents field observations from research on the design of schools in Finland—one of the best school systems in the world in one of themost challenging climateswith a strong tradition of outdoor learning and frequent time outside; and identifies gaps in knowledge and future directions for transdisciplinary research specifically focused on the design of active schools. INTRODUCTION: PHYSICAL ENVIRONMENT AND HEALTH Understanding the effects of the physical environment on children’s health is important to make better policy, guidelines for design, and decisions on capital investments. This is critical because medical researchers have found that children’s less mature systems are more susceptible to environmental hazards and that they have manymore years of life to develop problems (1). In turn, the opportunity for early life interventions can potentially influence healthy habits and behaviors that can positively shape their adult lives. Notably, the increasing rate and earlier onset of childhood obesity, which can have long-term Northeastern University, Boston, MA Address for correspondence: Michelle Laboy, P.E., M.Arch., M.U.P., School of Architecture, Northeastern University, 151 Ryder Hall, 360 Huntington Avenue, Boston, MA 02118 (E-mail: m.laboy@northeastern.edu). 2379-2868/0417/0155–0164 Translational Journal of the ACSM Copyright © 2019 by the American College of Sports Medicine http://www.acsm-tj.org Copyright © 2019 by the American College of Sports Medicine. Unauthorized repro effects on health, coincides with children spending increasingly longer portions of the
尽管针对学校的具体情况研究开始指导政策和项目干预,但有机会发展跨学科研究,也可以指导更好的循证设计、法规和在物理环境中的投资,从而支持其他努力的成功,以确保更好的结果。ACSM155翻译期刊禁止转载这篇文章。本文总结了文献中最重要的发现,这些发现提供了证据,证明学校的物理环境对儿童的健康和恢复力有影响,更具体地说,对他们的体育活动有影响;介绍了芬兰学校设计研究的实地观察结果。芬兰是世界上最好的学校系统之一,气候最具挑战性,有着强烈的户外学习传统和经常外出的时间;并确定了知识方面的潜在差距和未来的研究方向,特别关注活跃学校的物理环境设计,这可以支持儿童的体育活动、社会能力和更好的学习。所有年龄组的物理环境和体育活动研究现状城市化、人口增长、数字技术、食品系统、污染、气候变化以及其他改变自然和建筑环境的因素——这些因素可能阻碍或支持包括体育活动在内的健康习惯和结果——是研究人员越来越感兴趣的领域,政策制定者和设计师,感谢近几十年来的几项重要研究,本文对这些研究进行了回顾,并将在本节和下一节中提及。对文献的广泛回顾表明,这些研究通常采取两种形式:(A)相关性的确定,研究人员对社会或物理环境的属性进行观察,并测量健康结果,以确定是否存在强相关性,以及(b)在被怀疑存在某种缺陷或障碍的环境中设计干预措施,并测量这些干预措施对特定健康结果或行为的影响。在这两种类型的研究中,能够对物理环境进行有效的观察和准确的测量以及创造性的干预是很重要的。然而,研究团队通常不包括物理空间设计专业知识。最近的一项研究明确提到,建筑连贯性是身体活动的潜在重要因素,但无可否认,由于研究人员缺乏设计方面的专业知识,不得不对这一特征进行探索(8)。更好的研究可能更全面,并得到空间环境设计专业知识的更好支持,再加上设计有效和适当方法来衡量效果和结果的研究经验。研究身体环境和身体活动的相关性及其相关的健康结果,涵盖了广泛的年龄和身体环境特征。例如,衣服是我们身体最接近的物理环境组成部分,它的历史变化被假设减少了我们的能量支出(照顾它们),提高了我们抵御各种环境的能力(使锻炼更舒适)(9)。建筑物作为我们提供住所的衣服的延伸,是人们一生中大部分时间免受天气影响的地方。对空间内部配置的关注,特别是人们从一个地方移动到另一个地方的建筑流通系统,理论上会影响人们的体育活动欲望和动机。例如,楼梯等建筑元素通常很难找到或没有吸引力,可以设计成鼓励人们选择楼梯而不是电梯,从简单的标识策略到使其更开放、更方便、更具吸引力的改进措施(10)。办公环境的设计,特别是自然光的量,156第4卷•第17号•2019年9月1日版权所有©2019美国运动医学院显示,与人造光相比,睡眠和活力表现出更多的体力活动趋势,尽管尚不清楚这是原因还是影响(11)。城市环境的设计也影响健康,尤其是体育活动。无论是改善的可达性(8)、进入建筑和公园设施的便利性(12,13)、它们的物理位置以及一年中的时间(14),这些因素似乎都会影响一个人是否更有可能进行体育活动。
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引用次数: 1
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Translational journal of the American College of Sports Medicine
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