Journal of physical activity & health最新文献

Background: Physical inactivity and sedentary behavior are associated with mental ill-health. We examined changes in leisure-time physical activity (LTPA) and sedentary time, and their associations with psychological distress in an occupational cohort.

Methods: We used phase 1 survey data, collected among the employees of the City of Helsinki, Finland, aged 19-39 years in 2017, and phase 2 follow-up survey from 2022 (n = 1914 participants, 75% women). A 4-category variable (High→High, Low→High, High→Low, and Low→Low) was constructed for both LTPA and sedentary time to reflect the change over time. The 21-item Depression, Anxiety and Stress Scale was used to measure psychological distress. Logistic regression analysis estimated odds ratios (ORs) and their 95% CIs, adjusting for sociodemographic factors, working conditions, health-related factors, and physician-diagnosed mental disorders at phase 1.

Results: Repeated low LTPA was associated with anxiety (OR = 2.03; 95% CI, 1.44-2.85), depressive (OR = 1.69; 95% CI, 1.22-2.36), and stress (OR = 2.22; 95% CI, 1.58-3.12) symptoms after adjusting for gender and age, compared with repeated high LTPA. The associations remained after full adjustments in anxiety (OR = 1.57; 95% CI, 1.08-2.30) and stress (OR = 1.92; 95% CI, 1.32-2.78) symptoms. Additionally, a change from high to low LTPA was associated with anxiety (OR = 1.47; 95% CI, 1.05-2.04) symptoms after full adjustments.

Conclusion: Repeated low levels of LTPA are associated with anxiety and stress symptoms. No consistent associations between sitting time and psychological distress could be confirmed. Considering the increasing levels of psychological distress in recent years, particularly among younger adults, it is essential to explore effective countermeasures through large interventions or prospective study designs.

Background: Lifestyle affects the risk of cardiovascular events such as myocardial infarction and stroke. Several lifestyle factors, such as physical activity (PA), are modifiable, and in this study, we examined the association between leisure-time PA habits and the risk of a first-ever stroke.

Methods: This prospective study included residents in Västerbotten, Sweden, who participated in the Västerbotten Intervention Programme at 40, 50, and 60 years of age. Altogether, 31,855 individuals (50.5% women, mean age: 42.6 [6.9] y at baseline) participated between 1989 and 2016. Leisure-time PA was categorized as irregular (never/now and then) or regular (once a week/2 or 3 times a week/more than 3 times a week). Changes in PA were compared between examinations (10 y apart). Cases of stroke were validated according to World Health Organization MONICA (Monitoring Trends and Determinants of Cardiovascular Disease) criteria. The risk related to changes in leisure-time PA was estimated using a multivariable Cox regression model.

Results: During an average follow-up of 9.8 years (4.4), 609 incident first-ever stroke cases occurred (1.9%). A multivariable model showed that, compared with individuals with irregular PA at both examinations, those reporting regular PA over time had a lower risk of stroke (hazard ratio: 0.78, 95% CI, 0.61-0.99).

Conclusion: Middle-aged adults who maintained regular PA during their leisure time over 10 years had a lower risk of a first-ever stroke. This association is probably partly mediated by lower body mass index and a reduced risk of hypertension and diabetes.

Background: Higher-weight individuals report lower rates of physical activity behavior and poorer physical activity experiences compared with their normative-weight counterparts, likely owing to the pervasiveness of weight stigma in physical activity contexts. Employing weight-inclusive strategies may improve physical activity outcomes, though little is known about the practical application of weight-inclusive principles in physical activity contexts. Furthermore, given the prominence of virtual methods of information dissemination, exploring online weight-inclusive resources is valuable.

Methods: Using Google, Instagram, and snowball searches, a virtual environmental scan was conducted to collect publicly available weight-inclusive physical activity resources. Two independent coders applied an a priori codebook to all eligible resources to evaluate the application of weight-inclusive principles.

Results: N = 80 weight-inclusive physical activity resources were identified, offering a range of educational materials (40%) and/or provision of physical activity services (76.3%). Virtual resources generally adhered to weight-inclusive principles by showcasing diversity in body size, using weight-inclusive language, and centering physical activity that honors the body's signals and cues; however, some also included weight-normative content. Provisional physical activity resources primarily targeted diverse-bodied end users, offered a range of physical activity types (eg, yoga, weight training, and dance), were membership-based, and offered asynchronous access.

Conclusions: This study utilizes a systematic approach to collect and evaluate virtual, publicly available, and weight-inclusive physical activity resources. Virtual physical activity resources that adhere to weight-inclusive principles may be important for increasing accessible physical activity opportunities for higher-weight individuals.

Background: The 2018 Physical Activity Guidelines 2nd Edition Advisory Committee Scientific Report recommended research to understand whether the health benefits of physical activity (PA) differed by sociodemographic factors. This study examined associations between meeting PA guidelines in leisure time and all-cause, heart disease, and cancer mortality across sociodemographic characteristics.

Methods: Nationally representative data on 567,483 eligible US adults from the 1998-2018 US National Health Interview Survey and 2019 public-use linked mortality files were used. Participants self-reported leisure-time aerobic and muscle-strengthening PA. Meeting PA guidelines was defined as meeting both aerobic and muscle-strengthening activity recommendations. Multivariate Cox regression was used to estimate hazard ratios and 95% confidence intervals comparing all-cause, heart disease, and cancer mortality risk across PA categories, with a focus on adults meeting guidelines.

Results: Across sociodemographic groups, associations comparing mortality risk among adults meeting guidelines versus those meeting neither recommendation in leisure time ranged from no significant associations to significant risk reductions in mortality ranging from 14% to 36% for all-cause, 25% to 52% for heart disease, and 20% to 32% for cancer. Risk reductions were larger for women versus men (all cause and heart disease), non-Hispanic or non-Latino/a White adults compared with Hispanic or Latino/a adults (all cause), adults with college education or higher versus those with less than high school education (all cause), and adults with high school education versus those with some college education (cancer).

Conclusions: Meeting PA guidelines provides a substantial reduction in mortality risk from all causes, heart disease, and cancer, but the magnitude of reduction may differ across sociodemographic groups.

Background: Aerobic exercises (AEs) have gained much interest in managing fibromyalgia (FM). This trial aimed to find out how AEs affect women with FM in terms of lung function, chest expansion, dyspnea, exercise capacity, and quality of life.

Methods: Eighty FM-diagnosed women were allocated randomly into 2 equal-sized groups. For 12 weeks, the AEs group did moderate-intensity aerobic cycling and diaphragmatic breathing exercises while the control group did just diaphragmatic breathing exercises. Outcome measures included forced vital capacity, forced expiratory volume in the first second, and total lung capacity for lung function; upper and lower chest expansions; Medical Research Council dyspnea scale for dyspnea; maximal oxygen consumption for exercise capacity; and physical component score and mental component score components of the 12-item Short Form Health Survey for quality of life.

Results: By study completion, all outcomes improved significantly in the AEs and control groups (P < .05). Compared with the group of control, the AEs group revealed more substantial increases in forced vital capacity (9.51% vs 4.95%, P = .04), forced expiratory volume in the first second (8.72% vs 4.54%, P = .03), total lung capacity (11.02% vs 5.39%, P = .001), upper chest expansion (21.22% vs 10.03%, P = .02), lower chest expansion (31.35% vs 11.2%, P = .01), maximal oxygen consumption (55.89% vs 36.94%, P = .03), physical component score (18.8% vs 10.9%, P = .001), and mental component score (25.67% vs 15.26%, P = .02) accompanied with greater declines in Medical Research Council dyspnea scale scores (37.71% vs 19.45%, P = .03).

Conclusions: In FM women, moderate AEs could improve lung function, chest expansion, dyspnea, exercise capacity, and quality of life.

Objectives: The objective of this study was to describe the effects of an extra hour of a structured motor program on the motor competence (MC) of children 6-10 years old..

Design: The need for movement interventions to enhance MC among school-aged children has gained vital importance in the last years, given the negative secular trends reported. Hence, the Portuguese Football Federation organized an intervention program on MC to be implemented on the extracurricular time of the Portuguese primary schools: the Super Quinas program.

Methods: Thirty-nine schools from all of Portugal were assigned to intervention and control condition, with a total of 1034 children (6-10 y old) completing all the program (77.7%). The Super Quinas intervention comprised of 1 hour of activity per week, led by a physical educator teacher during extracurricular activities for 12 wees. MC was assessed using the Motor Competence Assessment (MCA) before and at the end of the program (January and April 2023). Normative results of the MCA were used to compare changes between pre and posttest according to experimental or control condition.

Results: Results showed a general improvement (P ≤ .001) for all subscales (Locomotor, Manipulative, Stability) and total MCA. More importantly, the experimental group showed significant and positive differences, when compared with the control group, in the Stability (P = .007), Manipulative (P = .015), and total MCA results (P = .018) after controlling for gender, age, and baseline effect.

Conclusions: The Super Quinas intervention program proved that adding 1 hour of structured movement program to the regular primary school schedule can lead to greater development of MC in school-age children.

Background: There are no studies examining the prospective joint association of device-based measures of sedentary time and physical activity (PA) with cancer mortality. We examined the joint associations of sedentary time and intensity-specific PA with cancer mortality in 72,458 adults from UK Biobank.

Methods: Participants wore an Axivity AX3 accelerometer on their dominant wrist for at least 3 days (with at least 1 weekend day). Cox regression was performed to estimate hazard ratios (HR) and 95% confidence intervals (CIs) for joint associations of sedentary time and intensity-specific PA (light [LPA], moderate [MPA], and vigorous PA [VPA]) with cancer mortality (reference group: high intensity-specific PA and low sedentary time) adjusted for confounders and mutually adjusted for other PA intensities.

Results: Associations between sedentary time and cancer mortality were stronger among participants with low PA, irrespective of the intensity. Compared with participants with lower sedentary time (<11 h/d) and high MPA (median of 49 min/d), HR were 1.27 (95% CI, 0.90-1.78) for high sedentary time and high MPA, 1.35 (95% CI, 1.03-1.77) for high sedentary time and medium MPA (49 min/d), and 1.49 (95% CI, 1.15-1.92) for high sedentary time and low MPA (13 min/d). HR for high sedentary time and low light PA (61 min/d) and high sedentary time and low vigorous PA (1 min/d) were 1.25 (95% CI, 1.02-1.59) and 1.57 (95% CI, 1.20-2.06), respectively.

Conclusions: Relatively large amounts of LPA and MPA and small amounts of VPA appeared to attenuate the association between sedentary time and cancer mortality.

Background: Interorganization partnerships are important for the development and knowledge mobilization of national health behavior guidelines. However, little is known about how to improve the dissemination of guidelines across professional networks. Social network analysis may offer unique insight into the social structure of interorganization networks and provide guidance for how network features may be harnessed for effective dissemination. The objectives of this study were to apply social network analysis to (1) analyze the connectedness of organizations and/or subgroups within a national health behavior guideline network and (2) identify organization attributes associated with influential network positions.

Methods: Organizations involved in the development and dissemination of the Canadian 24-Hour Movement Guidelines for Adults were invited to complete an online survey to examine the connections among health-promoting organizations in Canada. Data were analyzed using UCINET Version 6. Network maps were generated for the interorganization network and its subgroups, and descriptive frequencies were calculated for demographic characteristics. Associations between organization attributes and centrality measures were calculated using Point-Biserial and Spearman rank correlations.

Results: Thirty-four organizations completed the survey and reported 228 organizational ties. Density scores for each dissemination network ranged from 1% to 5%, demonstrating the potential for constrained information sharing (ie, dissemination) between organizations. Five attributes were significantly associated with centrality measures, which included location, sector, size, resource allocation, and previous dissemination of sedentary behavior guidelines.

Conclusions: Findings demonstrate the utility of social network analysis for understanding knowledge mobilization across networks and offer guidance for how network features may be leveraged to enhance knowledge mobilization outcomes.

Background: Life expectancy free of cancer (LEFC) is a novel measure that considers both morbidity and mortality and could be a useful metric for disease surveillance and risk communication. We aimed to examine the association between physical activity and LEFC in British adults.

Methods: This was a prospective cohort study of 292,559 apparently healthy UK Biobank participants (mean [SD] age, 56.0 [8.1] y, 51% women). Participants were categorized based on self-reported physical activity as "no activity" (0 min/wk), "insufficiently active" (10-599 metabolic equivalent-min/wk), "active" (600-1199 metabolic equivalent-min/wk), and "very active" (>1200 metabolic equivalent-min/wk). Hazard ratios from multistate models for transitions between 3 states (cancer-free, cancer diagnosis, and all-cause mortality) were used to calculate differences in predicted remaining LEFC across physical activity levels for men and women at ages 45 and 65 years.

Results: During a median follow-up of 11.0 years, we recorded 13,143 cancer cases for men and 10,255 for women, and 6488 deaths for men and 3739 for women. At age 45, "insufficiently active," "active," and "very active" had a higher LEFC by 2.35, 2.46, and 2.76 years compared with "no activity," and by 1.44, 1.62, and 1.84 years at age 65. In women, the "insufficiently active," "active," and "very active" had a higher LEFC by 1.09, 1.42, and 1.59 years at age 45, and by 1.25, 1.54, and 1.71 years at age 65.

Conclusions: Engaging in physical activity, even below recommended levels, appears to extend cancer-free years of life. Promoting physical activity is an important strategy for cancer prevention.

Background: Active breaks and very low- to low-intensity exercises such as walking or cycling at an active desk have been shown to significantly counteract the negative effect of prolonged sedentary behaviors. The objective was to investigate the effect of physical activity level (PAL) on changes in energy expenditure (EE), heart rate, and substrate oxidation from sit-to-stand and sit-to-light cycling.

Methods: Fifty healthy young males and females (age: 23.9 [3.9] y, body mass index: 22.9 [2.3] kg/m2) were submitted to a fixed 1 hour session of different posture allocations: 15-minute sitting, 15-minute standing, 15-minute sitting, and 15-minute very low-intensity cycling. EE, substrate oxidation rates, and heart rate were continuously assessed throughout the experimental visit. Data were then compared between participants according to their PAL in tertiles (low, medium, or high). The high-PAL group showed lower sedentary time (P < .0001) and higher time spent in low (P < .0001), moderate (P < .0001), and vigorous physical activity (P = .0034).

Results: ANOVA's analysis showed that EE significantly increased when standing (+11%) and cycling (+94%) relative to the seated position (P < .05) without any differences between groups. There was also a significant increase in heart rate during standing and cycling compared with sitting (P < .05) without any differences between groups. Relative EE (in kilocalories per minute per kilogram) was significantly higher when seated (P < .05) independent of PAL but marginally higher in the high-PAL group when standing relative to the medium-PAL group (P = .06).

Conclusion: The findings of this study suggest that people's PAL does not impact energetic and metabolic adaptations during sit-to-stand and sit-to-very-light-intensity cycling exercise.