Background-Vertebral fractures are associated with increased morbidity (e.g., pain, reduced quality of life), and mortality. Therapeutic exercise is a non-pharmacologic conservative treatment that is often recommended for patients with vertebral fractures to reduce pain and restore functional movement. Objectives-Our objectives were to evaluate the benefits and harms of exercise interventions of four weeks or greater (alone or as part of a physical therapy intervention) versus non-exercise/nonactive physical therapy intervention, no intervention or place boon the incidence of future fractures and adverse events among adults with a history of osteoporotic vertebral fracture(s). We were also examined the effects of exercise on the following secondary outcomes: falls, pain, posture, physical function, balance, mobility, muscle function, quality of life and bone mineral density of the lumbar spine or hip measured using dual-energy X-ray absorptiometry (DXA). We also reported exercise adherence.
Background: A key component of the implementation process is identifying potential barriers and facilitators that need to be addressed. The Theoretical Domains Framework (TDF) is one of the most commonly used frameworks for this purpose. When applying the TDF, it is critical to understand the context in which behaviours occur. Intersectionality, which accounts for the interface between social identity factors (e.g. age, gender) and structures of power (e.g. ageism, sexism), offers a novel approach to understanding how context shapes individual decisionmaking and behaviour. We aimed to develop a tool to be used alongside applications of the TDF to incorporate an intersectionality lens when identifying implementation barriers and enablers. Methods: An interdisciplinary Framework Committee (n = 17) prioritized the TDF as one of three models, theories, and frameworks (MTFs) to enhance with an intersectional lens through a modified Delphi approach. In collaboration with the wider Framework Committee, a subgroup considered all 14 TDF domains and iteratively developed recommendations for incorporating intersectionality considerations within the TDF and its domains. An iterative approach aimed at building consensus was used to finalize recommendations. Results: Consensus on how to apply an intersectionality lens to the TDF was achieved after 12 rounds of revision. Two overarching considerations for using the intersectionality alongside the TDF were developed by the group as well as two to four prompts for each TDF domain to guide interview topic guides. Considerations and prompts were designed to assist users to reflect on how individual identities and structures of power may play a role in barriers and facilitators to behaviour change and subsequent intervention implementation.
The objective of this overview of systematic reviews was to determine the benefits and harms of resistance training (RT) on health outcomes in adults aged 18 years or older, compared with not participating in RT. Four electronic databases were searched in February 2019 for systematic reviews published in the past 10 years. Eligibility criteria were determined a priori for population (community dwelling adults), intervention (exclusively RT), comparator (no RT or different doses of RT), and health outcomes (critical: mortality, physical functioning, health-related quality of life, and adverse events; important: cardiovascular disease, type 2 diabetes mellitus, mental health, brain health, cognitive function, cancer, fall-related injuries or falls, and bone health). We selected 1 review per outcome and we used the GRADE process to assess the strength of evidence. We screened 2089 records and 375 full-text articles independently, in duplicate. Eleven systematic reviews were included, representing 364 primary studies and 382 627 unique participants. RT was associated with a reduction in all-cause mortality and cardiovascular disease incidence, and an improvement in physical functioning. Effects on health-related quality of life or cognitive function were less certain. Adverse events were not consistently monitored or reported in RT studies, but serious adverse events were not common. Systematic reviews for the remaining important health outcomes could not be identified. Overall, RT training improved health outcomes in adults and the benefits outweighed the harms. (PROSPERO registration no.: CRD42019121641.) Novelty This overview was required to inform whether there was new evidence to support changes to the recommended guidelines for resistance training.
Objective Osteoporosis clinical practice guidelines recommend exercise to prevent fractures, but the efficacy of exercise depends on the exercise types, the population studied, or the outcomes of interest. The purpose of this systematic review was to assess the effects of progressive resistance training (PRT) on health-related outcomes in people at risk of fracture. Methods Multiple databases were searched to October 2019. Eligible articles were randomized controlled trials (RCTs) of PRT interventions in men and women ≥50 years with low bone mineral density (BMD) or fracture history. Descriptive information and mean difference (MD) and standard deviation (SD) were directly extracted for included trials. Fifty-three studies were included. Results PRT does not increase the total number of falls (incidence rate ratio [IRR] = 1.05; 95% CI = 0.91 to 1.21; 7 studies), whereas the effects on risk of falls are uncertain (relative risk [RR] = 1.23; 95% CI = 1.00 to 1.51; 5 studies). PRT improved performance on the Timed “Up and Go” test (MD = −0.89 seconds; 95%CI = −1.01 to −0.78; 13 studies) and health-related quality of life (standardized mean difference [SMD] = 0.32; 95%CI = 0.22 to 0.42; 20 studies). PRT may increase femoral neck (MD = 0.02 g/cm2; 95% CI = 0.01 to 0.03; 521 participants, 5 studies) but not lumbar spine BMD (MD = 0.02 g/cm2; 95%CI = −0.01 to 0.05; 4 studies), whereas the effects on total hip BMD are uncertain (MD = 0.00 g/cm2; 95% CI = 0.00 to 0.01; 435 participants, 4 studies). PRT reduced pain (SMD = −0.26; 95%CI = −0.37 to −0.16; 17 studies). Sensitivity analyses including PRT-only studies confirmed these findings. Conclusion Individuals at risk of fractures should be encouraged to perform PRT, as it may improve femoral neck BMD, health-related quality of life, and physical functioning. PRT also reduced pain; however, whether PRT increases or decreases the risk of falls, the number of people experiencing a fall, or the risk of fall-related injuries is uncertain.
This study aimed to define the movement analysis and metabolic model in tennis on hard courts and clay courts. Twenty-four tennis players were equipped with a 15 Hz GPS and a Polar. H7 and played a match on each playing surface. The average duration of matches was 76 Å} 24 (C) and 69 Å} 17 min (H). The maximum heart rate (HRmax) was 185 Å} 14 (C) and 178 Å} 10 bpm (H), the average heart rate (HRav) was 144 Å} 14 (C) and 139 Å} 12 bpm (H). The average metabolic power (MPav) was 3.93 Å} .34 (C) and 3.70 Å} .34 W Å~ kg−1 (H) (ES = .72, C > H, +6%). The ANOVA and the post hoc showed significant differences regarding the considered parameters on both the surfaces. The t-test highlighted significant surface-related differences (ES = .88, C > H, +26%) concerning accelerations performed between 50 and 60% of the maximum value, decelerations between 40 and 50% of the maximum (ES = 1.28, H > C, +37%), metabolic power between 0 and 10 W Å~ kg−1 (ES =
Walking is a common activity among older adults. However, the effects of walking on health-related outcomes in people with low bone mineral density (BMD) are unknown. The authors included randomized controlled trials comparing walking to control in individuals aged ≥50 years with low BMD and at risk of fractures. The authors identified 13 randomized controlled trials: nine multicomponent interventions including walking, one that was walking only, and three Nordic walking trials. Most studies had a high risk of bias. Nordic walking may improve the Timed Up-and-Go values (1.39 s, 95% CI [1.00, 1.78], very low certainty). Multicomponent interventions including walking improved the 6-min walk test (39.37 m, 95% CI [21.83, 56.91], very low certainty) and lumbar spine BMD (0.01 g/cm2, 95% CI [0.00, 0.03], low certainty evidence). The effects on quality of life or femoral neck BMD were not significant. There were insufficient data on fractures, falls, or mortality. Nordic walking may improve physical functioning. The effects on other outcomes are less certain; one may need to combine walking with other exercises to be of benefit.
Background Models, theories, and frameworks (MTFs) provide the foundation for a cumulative science of implementation, reflecting a shared, evolving understanding of various facets of implementation. One under-represented aspect in implementation MTFs is how intersecting social factors and systems of power and oppression can shape implementation. There is value in enhancing how MTFs in implementation research and practice account for these intersecting factors. Given the large number of MTFs, we sought to identify exemplar MTFs that represent key implementation phases within which to embed an intersectional perspective. Methods We used a five-step process to prioritize MTFs for enhancement with an intersectional lens. We mapped 160 MTFs to three previously prioritized phases of the Knowledge-to-Action (KTA) framework. Next, 17 implementation researchers/practitioners, MTF experts, and intersectionality experts agreed on criteria for prioritizing MTFs within each KTA phase. The experts used a modified Delphi process to agree on an exemplar MTF for each of the three prioritized KTA framework phases. Finally, we reached consensus on the final MTFs and contacted the original MTF developers to confirm MTF versions and explore additional insights. Results We agreed on three criteria when prioritizing MTFs: acceptability (mean = 3.20, SD = 0.75), applicability (mean = 3.82, SD = 0.72), and usability (median = 4.00, mean = 3.89, SD = 0.31) of the MTF. The top-rated MTFs were the Iowa Model of Evidence-Based Practice to Promote Quality Care for the ‘Identify the problem’ phase (mean = 4.57, SD = 2.31), the Consolidated Framework for Implementation Research for the ‘Assess barriers/facilitators to knowledge use’ phase (mean = 5.79, SD = 1.12), and the Behaviour Change Wheel for the ‘Select, tailor, implement interventions’ phase (mean = 6.36, SD = 1.08). Conclusions Our interdisciplinary team engaged in a rigorous process to reach consensus on MTFs reflecting specific phases of the implementation process and prioritized each to serve as an exemplar in which to embed intersectional approaches. The resulting MTFs correspond with specific phases of the KTA framework, which itself may be useful for those seeking particular MTFs for particular KTA phases. This approach also provides a template for how other implementation MTFs could be similarly considered in the future. Trial registration Open Science Framework Registration: osf.io/qgh64.
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