BACKGROUND: There is growing concern about the health effects of ambient air pollution (AP) in children. The present article summarizes and compares local information regarding the adverse effects of AP on the health of Canadian children with reports from elsewhere. METHODS: PUBMED, MEDLINE and E...

目的: 评价脑卒中后早期强化运动治疗偏瘫上肢的临床疗效和安全性。方法: 通过计算机检索及手工检索, 全面收集国内外早期强化运动治疗急性脑卒中偏瘫上肢的随机和半随机临床试验, 并按 Cochrane 协作网推荐的方 法进行系统评价。结果: 6 个研究(共 667 例病例)符合纳入标准, 3 个研究的方法学质量较高。统计分析的结果显示, 早期强化运动组随访期末与对照组相比, 其上肢的运动功能, 日常生活能力、病死或致残人数、对卒中后上肢并发症 的防治、治疗结束时神经功能缺损、生存质量评分变化差异均无显著性, 没有实验进行不良反应的评价。结论: 目前 的研究病例总数较少, 混杂因素较多, 尚不...

Objective: It has been suggested that exercise has preferential effects on visceral fat reduction. However, the dose-response effect remains unclear because of limited evidence from individual studies. The purpose of this study was to systematically review the current literature to establish whet...

Background: Aerobic exercise is believed to reduce the risk of cardiovascular disease partially through increasing serum levels of high-density lipoprotein cholesterol (HDL-C). However, this effect varies considerably among exercise intervention studies. Methods: Electronic database searches o...

采用元分析方法对我国大学生体育锻炼与心理健康关系的研究共14篇（n=12219）进行定量化综述研究。结果表明,参加体育锻炼的大学生群体与不参加体育锻炼的大学生群体相比较,前者的心理健康综合指标得分值优于后者0·29个标准差,提示体育锻炼有利于促进大学生的心理健康。

Despite chronic neck pain being so common in the population, few randomized studies have evaluated exercise methods in treating the neck disorders. The aim of this review was to reassess the effectiveness of different exercise methods in relieving pain and improving disability in patients with ch...

OBJECTIVE — To systematically evaluate the evidence for an association between physical activity of moderate intensity and risk of type 2 diabetes. RESEARCH DESIGN AND METHODS — We searched EMBASE and Medline through March 2006 and examined reference lists of retrieved articles. We excluded st...

Background Despite the health benefits of physical activity, most adults do not take the recommended amount of exercise. Aim To assess whether exercise-referral schemes are effective in improving exercise participation in sedentary adults. Design of study Systematic review. Method Studies ...

PURPOSE: To review the evidence for the effectiveness of therapeutic exercise for the treatment of full thickness (including massive and inoperable) tears of the rotator cuff. RELEVANCE: There is little consensus as to the most effective treatment of full thickness and massive tears of the rotat...

Although physical activity is widely reported to reduce the risk of type 2 diabetes in individuals with prediabetes, few studies have examined this issue independently of other lifestyle modifications. The aim of this review is to conduct a systematic review of controlled trials to determine the...