The CHAMP Afterschool Program: Promoting Physical Activity & Health in Children

项目摘要 促进儿童和青春期健康和可持续的体力活动水平 有助于成年人的健康。少数民族儿童中存在健康差距，并与身体健康有关 无所事事。儿童健康活动运动计划(CHAMP)是一项循证干预措施， 展示了对运动能力、感知的运动能力和体力活动的影响结果 体育课和以运动为基础的环境。目前，有1000万儿童参加课外活动 每天的计划(ASP)，以及ASP提供了一个极好的机会，以增强儿童的健康之外 正规的学校环境，特别是考虑到体育课的下降。这项建议是随机提出的 整群对照试验将检查即刻(测试前到测试后)和持续(干预后1年) 随访)CHAMP-ASP对体力活动(主要结果)、运动能力、感觉运动的影响 能力、与健康相关的身体健康和体重状况。CHAMP-ASP将由ASP员工实施 并将在位于密歇根州兰辛和伊普西兰蒂的ASP进行。ASP将包括极少数人 人口。儿童(N=264；CHAMP-ASP=132，CONTROL=132)K-2年级学生(通常为5-8岁)将 每天参加35分钟，每周参加3天，共19周(剂量1995分钟)。其目的是：a)审查 CHAMP-ASP对体力活动、运动能力和知觉的即时和持续影响 相对于对照的运动能力，b)检查CHAMP的即时和持续影响- 关于次级健康结果的ASP--与健康相关的身体健康(心肺健康、肌肉健康 体力)，以及与学校儿童的体重状况进行比较，以控制ASP，以及c)确定 知觉运动能力在CHAMP-ASP对中等到剧烈体力活动的影响中起中介作用。 长期目标是提供一个可持续的、与生态相关的、基于证据的计划 在少数民族中促进健康和增加体力活动的小学早期 人口。研究结果可能会显著影响未来的体力活动干预，并支持 可持续的、与生态相关的(由ASP员工提供)循证计划(即CHAMP) 有助于长期增强儿童的健康、体力活动和健康。

PROJECT ABSTRACT Promoting health-enhancing and sustainable physical activity levels across childhood and adolescence contributes to adult health. Health disparities are present in ethnic minority children and are linked to physical inactivity. The Children’s Health Activity Motor Program (CHAMP) is an evidence-based intervention that demonstrates impactful results on motor performance, perceived motor competence, and physical activity in physical education and movement-based settings. Currently, 10 million children participate in afterschool programs (ASPs) each day, and ASPs provide a great opportunity to enhance children’s health outside of the regular school environment, particularly given the decline in physical education. This proposed randomized cluster, controlled trial will examine the immediate (pre- to post-test) and sustained (1-year post-intervention follow-up) effects of CHAMP-ASP on physical activity (primary outcome), motor performance, perceived motor competence, health-related physical fitness, and weight status. CHAMP-ASP will be implemented by ASP staff and will be conducted in ASPs located in Lansing and Ypsilanti, Michigan. The ASPs will include a high minority population. Children (N = 264; CHAMP-ASP=132 and control=132) K-2 graders (typically ages 5-8 years) will participate 35 minutes/day X 3 days/week for 19 weeks (dose of 1995 minutes). The aims are to: a) examine the immediate and sustained effects of CHAMP-ASP on physical activity, motor performance, and perceived motor competence relative to the control ASP, b) examine the immediate and sustained effects of CHAMP- ASP on secondary health outcomes - health-related physical fitness (cardiorespiratory fitness, muscular strength), and weight status compared to children in schools randomized to control ASP, and c) determine if perceived motor competence mediates the effect of CHAMP-ASP on moderate-to-vigorous physical activity. The long-term goal is to provide a sustainable, ecologically-relevant, and evidence-based program during the early elementary years that is health-enhancing and increases physical activity in the ethnic minority population. Findings could significantly influence future physical activity interventions and support a sustainable, ecologically-relevant (delivered by ASP staff) evidence-based program (i.e., CHAMP) that contributes to long-term health-enhancing physical activity and health in children.