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Rebecca Martland Valeria Mondelli Fiona Gaughran Brendon Stubbs 《Journal of sports sciences》2020,38(4):430-469
ABSTRACTHigh-intensity-interval-training (HIIT) has been suggested to have beneficial effects in multiple populations across individual systematic reviews, although there is a lack of clarity in the totality of the evidence whether HIIT is effective and safe across different populations and outcomes. The aim of this meta-review was to establish the benefits, safety and adherence of HIIT interventions across all populations from systematic reviews and meta-analyses. Major databases were searched for systematic reviews (with/without meta-analyses) of randomised & non-randomised trials that compared HIIT to a control. Thirty-three systematic reviews (including 25 meta-analyses) were retrieved encompassing healthy subjects and people with physical health complications. Evidence suggested HIIT improved cardiorespiratory fitness, anthropometric measures, blood glucose and glycaemic control, arterial compliance and vascular function, cardiac function, heart rate, some inflammatory markers, exercise capacity and muscle mass, versus non-active controls. Compared to active controls, HIIT improved cardiorespiratory fitness, some inflammatory markers and muscle structure. Improvements in anxiety and depression were seen compared to pre-training. Additionally, no acute injuries were reported, and mean adherence rates surpassed 80% in most systematic reviews. Thus, HIIT is associated with multiple benefits. Further large-scale high-quality studies are needed to reaffirm and expand these findings.Abbreviations: ACSM: American College of Sports Medicine; BMI: Body Mass Index; BNP: Brain Natriuretic Peptide; BP: Blood Pressure; CAD: Coronary Artery Disease; CHD: Coronary Heart Disease; COPD: Chronic Obstructive Pulmonary Disease; CRP: c- reactive Protein; CVD: Cardiovascular Disease; DBP: Diastolic Blood Pressure; ES: Effect Size; FAS: Reduced Fatty Acid Synthase; FATP-1: Reduced Fatty Acid Transport Protein 1; FMD: Flow Mediated Dilation; Hs-CRP: High-sensitivity c- reactive Protein; HDL: High Density Lipoprotein; HIIT: High-Intensity Interval Training; HOMA: Homoeostatic Model Assessment; HR: Heart Rate; HTx: Heart Transplant Recipients; IL-6: Interleukin-6; LDL: Low Density Lipoprotein; LV: Left Ventricular; LVEF: Left Ventricular Ejection Fraction; MD: Mean Difference; MetS: Metabolic Syndrome; MPO: Myeloperoxidase; MICT: Moderate-Intensity Continuous Training; NO: Nitric Oxide; NRCT: Non-Randomised Controlled Trial; PA: Physical Activity; PAI-1: Plasminogen-activator-inhibitor-1; QoL: Quality of Life; RCT: Randomised Controlled Trial; RoB: Risk of Bias; RPP: Rate Pressure Product; RT: Resistance Training; SBP: Systolic Blood Pressure; SD: Standardised Difference; SMD: Standardised Mean Difference; TAU: Treatment-As-Usual; T2DM: Type 2 Diabetes Mellitus; TC: Total Cholesterol; TG: Triglycerides; TNF-alfa: Tumour Necrosis Factor alpha; UMD: Unstandardised Mean Difference; WC: Waist Circumference; WHR: Waist-to-Hip Ratio; WMD: Weighted Mean DifferenceKey points:
HIIT may improve cardiorespiratory fitness, cardiovascular function, anthropometric variables, exercise capacity, muscular structure and function, and anxiety and depression severity in healthy individuals and those with physical health disorders.
Additionally, HIIT appears to be safe and does not seem to be associated with acute injuries or serious cardiovascular events.
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This article focuses on a seminar‐conference held in Hawaii in 1936 on the “educability” of native peoples. The seminar‐conference was convened by New Zealand anthropologist Felix Keesing and Yale education professor Charles Loram and supported by the Carnegie Corporation, among other organizations. Conference delegates—who came from across the Pacific, including the U.S. mainland, Australia, and New Zealand, and from as far as South Africa—joined to discuss the future of colonial education. The residential conference, which lasted several weeks, resulted in published proceedings and the establishment of extensive transpacific networks. One in a series of international congresses on education that took place during the interwar years, the 1936 Hawaii conference offers unique insight into the transnational dialogue among academics, education practitioners, colonial administrators, and, in some cases, Indigenous spokespeople, concerning the modernization of colonialism and new forms of citizenship in the era of progressive education and cultural internationalism. 相似文献
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Teresa Cremin Marilyn Mottram Fiona Collins Sacha Powell Kimberly Safford 《Literacy》2009,43(1):11-19
Given the narrow scope of primary teachers' knowledge and use of children's literature identified in Phase I of Teachers as Readers (2006–2007), the core goal of the Phase II project was to improve teachers' knowledge and experience of such literature in order to help them increase children's motivation and enthusiasm for reading, especially those less successful in literacy. The year‐long Phase II project, Teachers as Readers: Building Communities of Readers, which was undertaken in five Local Authorities (LAs) in England, also sought to build new relationships with parents and families and to explore the concept of a “Reading Teacher (RT): a teacher who reads and a reader who teaches” (Commeyras and colleagues). The research design was multilayered; involving data collection at individual, school and LA levels, and using a range of quantitative and qualitative data research methods and tools. This paper provides an overview of the Phase II research. It suggests that teachers need support if they are to develop children's reading for pleasure, and enhance their involvement as socially engaged and self‐motivated readers. 相似文献
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Maternal Reminiscing Style During Early Childhood Predicts the Age of Adolescents' Earliest Memories 总被引:1,自引:1,他引:0
Individual differences in parental reminiscing style are hypothesized to have long-lasting effects on children's autobiographical memory development, including the age of their earliest memories. This study represents the first prospective test of this hypothesis. Conversations about past events between 17 mother–child dyads were recorded on multiple occasions between the children's 2nd and 4th birthdays. When these children were aged 12–13 years, they were interviewed about their early memories. Adolescents whose mothers used a greater ratio of elaborations to repetitions during the early childhood conversations had earlier memories than adolescents whose mothers used a smaller ratio of elaborations to repetitions. This finding is consistent with the hypothesis that past-event conversations during early childhood have long-lasting effects on autobiographical memory. 相似文献
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