Universidade Federal do Rio Grande do Sul, School of Physical Education, Physiotherapy and Dance, Porto Alegre, RS, Brazil.
Universidade Federal do Rio Grande do Sul, School of Physical Education, Physiotherapy and Dance, Porto Alegre, RS, Brazil.
Complement Ther Med. 2021 Jan;56:102586. doi: 10.1016/j.ctim.2020.102586. Epub 2020 Oct 9.
Dancing has been suggested to increase the levels of physical activity of the youth. However, it is not clear what are the physiological characteristics of the dance classes for young people, mainly regarding the levels of moderate to vigorous physical activity (MVPA) during classes. It is also unclear if regular engagement in dance practices can contribute with increases in the amounts of daily/weekly MVPA, recommended by health organizations.
To conduct a systematic review verifying the amount of time spent at MVPA (primary outcome), by children and adolescents in the following situations: i) During dance classes, and ii) Before and after dance interventions. Secondary outcomes included: markers of exercise intensity during class, such as oxygen consumption (VO) and heart rate (HR); VOpeak and lipid profile before and after dance interventions.
Six data sources were accessed (MEDLINE, EMBASE, Cochrane Wiley, PEDRO and SCOPUS). Study selection included different designs (acute, cohort, randomized controlled trials and others). Participants were from 6 to 19 years old, regularly engaged in dance practices. Methodological quality was assessed using the Downs and Black checklist. Two independent reviewers extracted characteristics and results of each study.
3216 articles were retrieved, and 37 included. Studies indicated that dance classes do not achieve 50% of total class time at MVPA. However, there are peaks of HR and VO during dance classes, which reach moderate and vigorous intensities. MVPA/daily/weekly did not improve before and after dance interventions for most of the studies, also VOpeak did not. The few results on lipid profile showed improvements only in overweight and obese participants.
Lack of meta-analysis, because there were not enough articles to be analyzed on any given outcome of interest, neither under the same study design.
Results of individual studies indicated that dance classes did not active 50% of the total time at MVPA levels. This may be related to the absence of improvements in daily/weekly MVPA before and after dance interventions. VO and HR attained peaks of moderateto vigorous intensity during dance classes, suggesting that the structure of the classes may be manipulated to maintain longer periods at MVPA levels. Lack of data on cardiorespiratory fitness and metabolic outcomes limit conclusions on these parameters.
Considering there are peaks of HR and VO during dance classes, we suggest that the structure of a dance class can be manipulate in order to induce cardiorespiratory and metabolic adaptations. Thus, dancing is a potential strategy to contribute with a healthy life style since the earliest ages. Prospero registration: CRD42020144609.
跳舞被认为可以增加年轻人的身体活动水平。然而，目前尚不清楚青少年的舞蹈课有哪些生理特征，主要是关于课程中的中等到剧烈身体活动（MVPA）水平。也不清楚定期参加舞蹈练习是否可以增加健康组织推荐的每日/每周 MVPA 量。
进行系统评价，以验证儿童和青少年在以下情况下处于 MVPA 的时间：i）在舞蹈课期间，和 ii）在舞蹈干预之前和之后。次要结果包括：课程期间的运动强度标志物，如耗氧量（VO）和心率（HR）；舞蹈干预前后的 VOpeak 和血脂谱。
共检索了 6 个数据源（MEDLINE、EMBASE、Cochrane Wiley、PEDRO 和 SCOPUS）。研究选择包括不同的设计（急性、队列、随机对照试验等）。参与者年龄在 6 至 19 岁之间，定期参加舞蹈练习。使用 Downs 和 Black 清单评估方法学质量。两名独立的综述作者提取了每项研究的特征和结果。
共检索到 3216 篇文章，其中 37 篇文章被纳入。研究表明，舞蹈课在整个课程中只有不到 50%的时间达到 MVPA 水平。然而，在舞蹈课期间，HR 和 VO 会达到中等和剧烈强度的峰值。大多数研究表明，在舞蹈干预前后，MVPA/每日/每周并没有改善，VOpeak 也没有改善。少数关于血脂谱的结果仅表明超重和肥胖参与者有改善。
由于没有足够的文章可以在任何给定的感兴趣的结果下进行分析，也没有在相同的研究设计下进行分析，因此无法进行荟萃分析。
个体研究的结果表明，舞蹈课在 MVPA 水平上没有达到 50%的总时间。这可能与舞蹈干预前后每日/每周 MVPA 水平没有改善有关。在舞蹈课期间，HR 和 VO 达到了中等到剧烈强度的峰值，这表明课程的结构可以被操纵以保持更长时间的 MVPA 水平。缺乏心肺功能和代谢结果的数据限制了对这些参数的结论。
考虑到在舞蹈课期间 HR 和 VO 会达到峰值，我们建议可以操纵舞蹈课的结构，以诱导心肺和代谢适应。因此，从最早的年龄开始，跳舞是一种促进健康生活方式的潜在策略。
CRD42020144609。
