Publications by authors named "Stephen H Wong"

Objective: To review and synthesize the effectiveness of exercise interventions on mobility, postural control, and falls in older adults with mild cognitive impairment (MCI).

Data Sources: This review was registered with PROSPERO (CRD42023453320) and adhered to the PRISMA guidelines. PubMed, Embase, APA PsycInfo, Cochrane Library, Web of Science, CINAHL, and SPORTDiscus were searched from inception until September 2024.

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High prevalence of long COVID symptoms has emerged as a significant public health concern. This study investigated the associations between three doses of COVID-19 vaccines and the presence of any and ≥3 types of long COVID symptoms among people with a history of SARS-CoV-2 infection in Hong Kong, China. This is a secondary analysis of a cross-sectional online survey among Hong Kong adult residents conducted between June and August 2022.

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High-intensity interval training (HIIT) is an emerging exercise strategy to improve health and fitness, but previous studies have evaluated HIIT interventions across different populations and outcomes. This review aimed to comprehensively synthesize published evidence on the effects of HIIT on key cardiometabolic health parameters in children and adolescents. We searched seven databases until February 2024.

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Background: Children with ADHD demand for effective intervention with minimum side effect to improve executive function (EF) and health well-being.

Method: This study used a three-arm partially-blinded randomized controlled trial to test the effects of two different kinds of 8-week game-based training programs (game-based HIIT program, GameHIIT; and game-based structured aerobic exercise program, GameSAE) on EF and other health indicators of children with ADHD, which was compared with a non-treatment control group.

Results: A total of 49 children with ADHD completed the program.

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Background: Considering the finite time within a 24-h day, the distribution of time spent on movement behaviours has been found to be associated with health outcomes.

Objectives: This systematic review and meta-analysis aimed to summarise and evaluate the overflow effects of interventions targeting a single behaviour (physical activity, sedentary behaviour/screen time, or sleep) on other non-targeted behaviours among children and adolescents.

Methods: Six databases (MEDLINE [Ovid], PsycINFO [ProQuest], EMBASE [Ovid], PubMed, Web of Science and SPORTDiscus [EBSCO]) were searched for relevant studies published before 13 May, 2024.

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Article Synopsis
  • - The study aimed to determine if high-intensity interval training (HIIT) is more effective than moderate-intensity continuous training (MICT) or no exercise for improving components of metabolic syndrome (MetS) in affected individuals.
  • - A systematic review analyzed 23 randomized controlled trials (RCTs) with 1374 participants, finding that HIIT significantly improved various health metrics like waist circumference, blood pressure, cholesterol levels, triglycerides, and blood glucose compared to non-exercise control.
  • - The results suggest that HIIT is a beneficial exercise option for enhancing cardiometabolic health, with low-volume HIIT being as effective as higher-volume workouts, making it a practical alternative to traditional aerobic exercise.
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Article Synopsis
  • Time-restricted feeding (TRF) is a diet where you eat your meals in a short time frame, which can help with weight loss and better health.
  • The study looked at different research papers and found that TRF can help people lose weight and fat without changing their exercise performance.
  • The researchers found that although TRF improved body composition, there were mixed results on the quality of the studies reviewed, with most having some concerns.
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A surge of public interest in NMN supplementation has been observed in recent years. However, whether NMN supplements are effective in improving metabolic health remains unclear. The objective of the review was to assess the effects of NMN supplementation on fasting glucose, triglycerides, total cholesterol, LDL-C, and HDL-C in adults.

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Background: Although the efficacy of interval training for improving body composition has been summarized in an increasing number of systematic reviews in recent years, discrepancies in review findings and conclusions have been observed.

Objective: This study aims to synthesize the available evidence on the efficacy of interval training compared with moderate-intensity continuous training (MICT) and nonexercise control (CON) in reducing body adiposity in apparently healthy adults.

Methods: An umbrella review with meta-analysis was performed.

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Background: Time-restricted eating (TRE) is increasingly popular, but its benefits in combination with exercise still need to be determined.

Objectives: This systematic review and meta-analysis aimed to evaluate the efficacy of TRE combined with exercise compared with control diet with exercise in improving the body composition and metabolic health of adults.

Methods: Five electronic databases were searched for relevant studies.

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Few studies have reported the cardiovascular health effects of different high-intensity interval training (HIIT) protocols among sedentary young women. We investigated the impact of a traditional HIIT programme and a high-intensity circuit training (HICT) programme on lipid profiles and inflammatory cytokine levels in sedentary young women. Forty-two women were randomly assigned to HICT (body weight-based training), HIIT (cycling-based training), or control groups ( = 14 each).

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Article Synopsis
  • - The study conducted an umbrella review to assess the effects of high-intensity interval training (HIIT) on cardiorespiratory fitness (CRF) in adults, comparing it with both non-exercise control groups and traditional moderate-intensity continuous training (MICT).
  • - A total of 24 systematic reviews, including nearly 13,000 participants, showed that HIIT, especially sprint interval training (SIT), significantly improves CRF compared to non-exercise groups and MICT, with results being consistent across various populations and HIIT types.
  • - While the reviews highlighted the effectiveness of HIIT, most were rated as having moderate to critically low methodological quality, suggesting that the findings should be interpreted with caution. *
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Context: Intermittent dieting incorporated with break periods (INT-B) has recently been promoted as an alternative dietary approach for optimal weight management.

Objective: This study assessed the effectiveness of INT-B compared with that of conventional continuous energy restriction (CER) for improving body composition and attenuating metabolic adaptation.

Data Sources: A systematic search was conducted on 6 databases using all available records until July 2023.

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Background: Evidence suggests that coronavirus disease 2019 (COVID-19) survivors could experience COVID-19 sequelae. Although various risk factors for COVID-19 sequelae have been identified, little is known about whether a sedentary lifestyle is an independent risk factor.

Methods: In this retrospective cohort study, 4850 participants self-reported their COVID-19 sequelae symptoms between June and August 2022.

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Increasing daily physical activity (PA) is a practical way to decrease the risk of cardiometabolic diseases, while the studies on exercise intensity remain limited. The purpose of the present study was to compare the effects of increasing light PA (LPA) or moderate-to-vigorous PA (MVPA) for 12 weeks on cardiometabolic markers in Chinese adults with obesity. Fifty-three adults were randomly assigned to the 1) control group, 2) LPA group, and 3) MVPA group in free-living settings.

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Low physical fitness in childhood is linked with poor health now and in later life. This study estimated temporal trends in physical fitness for Hong Kong children aged 6-12 years from 2003-04 to 2015-16. Objectively measured body size and physical fitness data for 27,513 children were obtained from four population-representative surveys of Hong Kong primary school students.

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Low-volume, time-efficient high-intensity interval training (HIIT), which involves whole-body (WB) callisthenics exercises, has gained worldwide popularity in recent years. However, the physiological and perceptual impact of WB-HIIT in comparison to specialised, equipment-based training is relatively less studied. This study compared the acute physiological and perceptual responses to a single session of WB-HIIT, ergometer-based HIIT (ERG-HIIT) and conventional moderate-intensity continuous training (MICT).

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Purpose: The number of persons living with post-coronavirus disease 2019 (COVID-19) conditions or long COVID continues to rise worldwide; however, the etiology and the treatment of long COVID remain nebulous. Therefore, efficient, feasible, and cost-effective therapeutic strategies for a large population with long COVID remain warranted. Physical exercise-based rehabilitation is a promising strategy for long COVID, although its therapeutic effects remain to be determined.

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Introduction: Systematic reviews (SRs) synthesize empirical evidence from randomized controlled trials, to answer a research question. Methodological flaws in SRs can, however, reduce the trustworthiness of conclusions, subsequently hindering decision making. We aimed to appraise the methodological quality of existing SRs on bodyweight management strategies for children and adolescents.

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Despite the well-known senolytic effects of physical exercise on immune cells in older adults, the effect of physical activity (PA) on premature immune senescence in sedentary adults with obesity remains largely unknown. This pilot study aimed to investigate the role of objectively measured physical behaviors and Fitbit watch-based free-living PA intervention in premature senescence of immune cells in sedentary adults with obesity. Forty-five participants were recruited in the cross-sectional analysis, and forty of them further participated in the randomized controlled trial.

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Background Context: Lifting disability commonly affects patients with chronic low back pain (CLBP) and may not correlate with the existing lifting-related physical assessment tests, such as the loaded forward reach (LFR) test.

Purpose: The Lift and Place (LAP) test was developed to assess lifting disability in CLBP based on known risk factors. The LAP test was compared with established physical assessment test, including the LFR test and self-reported disability questionnaires.

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Article Synopsis
  • Physical inactivity is a growing health issue in Asia, prompting the Active Healthy Kids Global Alliance to launch the Global Matrix initiative, which investigates physical activity trends among children across 18 Asian countries.
  • The study analyzed Report Card grades for individual behaviors and influential factors related to physical activity from GM 2.0 to GM 4.0 (2016-2022), revealing that while grades showed slight fluctuations, there were overall stable trends with some country-specific variations.
  • Recommendations for future research include improving data accuracy and addressing specific challenges in assessing indicators such as Active Transportation and Physical Fitness, emphasizing the need for a deeper understanding of regional contexts.
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Article Synopsis
  • The study compares report card grades for physical activity among 15 Asian regions participating in the Global Matrix 4.0, analyzing cultural and policy influences on physical activity behaviors.
  • The assessment involved ten common indicators, showing that overall physical activity scored poorly (D or F) in 73.3% of jurisdictions, while government influences received relatively higher grades.
  • The results indicate a disconnect between favorable sources of influence and actual physical activity behaviors, highlighting the need for better national interventions and strategies to improve youth physical activity outcomes.
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To examine the associations between physical activity (PA) levels and mental health in children and adolescents with intellectual disabilities (IDs) during the COVID-19 pandemic, 117 participants aged between 6 and 17 years with IDs from 10 Hong Kong special schools were included. There were positive dose-response associations between PA (i.e.

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Background: Wearing face masks in public is an effective strategy for preventing the spread of viruses; however, it may negatively affect exercise responses. Therefore, this review aimed to explore the effects of wearing different types of face masks during exercise on various physiological and psychological outcomes in healthy individuals.

Methods: A literature search was conducted using relevant electronic databases, including Medline, PubMed, Embase, SPORTDiscus, Web of Science, and Cochrane Central Register of Controlled Trials on April 05, 2022.

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