The Efficacy of 12-Week Progressive Home-Based Strength and Tai-Chi Exercise Snacking in Older Adults: A Mixed-Method Exploratory Randomised Control Trial.

IF 3.3 Q2 GERIATRICS & GERONTOLOGY
I J Liang, O J Perkin, S Williams, P M McGuigan, D Thompson, M J Western
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引用次数: 0

Abstract

Background: Maintaining physical function is important for independence and frailty prevention in later life, but very few older adults meet exercise recommendations. Previous studies found that 4-week 'exercise and Tai-chi snacking' as a viable alternative to traditional exercise is acceptable to healthy older adults.

Objectives: This study aimed to investigate the effectiveness of a 12-week progressive exercise and Tai-chi snacking programme on physical function and psychological outcomes in pre-frail older adults.

Design: Randomised controlled trial.

Setting: Community-dwelling older adults.

Participants: 90 older adults with impaired strength and balance were recruited. Participants were randomly allocated to an intervention or waitlist control group.

Intervention: A 12-week progressive exercise and Tai-chi snacking programme.

Measurements: Physical function (the short physical performance battery (SPPB), single-leg balance test and sit-to-stand test) was remotely measured at participants' homes via video calls at baseline, 4-, 8-, and 12-weeks. The self-reported psychological outcomes were also assessed every 4 weeks using online questionnaires. A subset of 40 participants also completed in-person functional assessments, and 26 intervention participants underwent semi-structured interviews to feedback on their experiences.

Results: The 12-week progressive home-based exercise and Tai-chi snacking improved SPPB strength (estimated mean difference in week 4: 1.05; week 8: 0.79; and week 12: 0.79) and balance (estimated mean difference in week 4: 0.71; week 8: 0.57; and week 12: 0.65) at each timepoint compared to control group. Timed-up-and-go (estimated mean difference in week 4: 1.94; week 8: 1.58; and week 12: 1.1) and total SPPB scores (estimated mean difference in week 4: 2.24; week 8: 1.79; and week 12: 1.76) were also better in the intervention group compared to the control group in lab subset participants. Based on the qualitative findings, Participants found the programme accessible and beneficial, making it suitable for older adults and increasing self-efficacy in physical activities.

Conclusion: The home-based exercise and Tai-chi snacking programme significantly improved lower extremity strength, balance, and mobility in pre-frail older adults. This programme is considered to be a beneficial, acceptable and easy implemented physical function intervention.

对老年人进行为期 12 周的渐进式家庭力量和太极零食锻炼的效果:混合方法探索性随机对照试验》。
背景:保持身体机能对晚年生活的独立性和预防虚弱非常重要,但只有极少数老年人符合运动建议。以前的研究发现,为期 4 周的 "运动和太极小吃 "作为传统运动的可行替代方案,是健康老年人可以接受的:本研究旨在调查为期 12 周的渐进式运动和太极点心计划对体弱前老年人的身体功能和心理结果的影响:设计:随机对照试验:参与者:招募了 90 名力量和平衡能力受损的老年人。参与者被随机分配到干预组或候补对照组:干预措施:为期 12 周的渐进式锻炼和太极点心计划:在基线、4周、8周和12周时,在参与者家中通过视频通话远程测量身体功能(短期体能表现电池(SPPB)、单腿平衡测试和坐立测试)。此外,每 4 周还使用在线问卷对自我报告的心理结果进行评估。40名参与者还完成了亲临现场的功能评估,26名干预参与者接受了半结构化访谈,对他们的经历进行了反馈:与对照组相比,为期 12 周的渐进式家庭锻炼和太极点心在每个时间点都改善了 SPPB 力量(第 4 周的估计平均差异为 1.05;第 8 周的估计平均差异为 0.79;第 12 周的估计平均差异为 0.79)和平衡能力(第 4 周的估计平均差异为 0.71;第 8 周的估计平均差异为 0.57;第 12 周的估计平均差异为 0.65)。在实验室分组参与者中,干预组的定时起立和走动(第 4 周的估计平均差异:1.94;第 8 周的估计平均差异:1.58;第 12 周的估计平均差异:1.1)和 SPPB 总分(第 4 周的估计平均差异:2.24;第 8 周的估计平均差异:1.79;第 12 周的估计平均差异:1.76)也优于对照组。根据定性研究结果,参与者认为该计划易于接受且有益,适合老年人并能提高体育活动的自我效能感:基于家庭的锻炼和太极点心计划能显著改善体弱前老年人的下肢力量、平衡和活动能力。该计划被认为是一项有益、可接受且易于实施的身体功能干预措施。
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来源期刊
Journal of Frailty & Aging
Journal of Frailty & Aging GERIATRICS & GERONTOLOGY-
CiteScore
5.90
自引率
7.70%
发文量
54
期刊介绍: The Journal of Frailty & Aging is a peer-reviewed international journal aimed at presenting articles that are related to research in the area of aging and age-related (sub)clinical conditions. In particular, the journal publishes high-quality papers describing and discussing social, biological, and clinical features underlying the onset and development of frailty in older persons.          The Journal of Frailty & Aging is composed by five different sections: - Biology of frailty and aging In this section, the journal presents reports from preclinical studies and experiences focused at identifying, describing, and understanding the subclinical pathophysiological mechanisms at the basis of frailty and aging. - Physical frailty and age-related body composition modifications Studies exploring the physical and functional components of frailty are contained in this section. Moreover, since body composition plays a major role in determining physical frailty and, at the same time, represents the most evident feature of the aging process, special attention is given to studies focused on sarcopenia and obesity at older age. - Neurosciences of frailty and aging The section presents results from studies exploring the cognitive and neurological aspects of frailty and age-related conditions. In particular, papers on neurodegenerative conditions of advanced age are welcomed. - Frailty and aging in clinical practice and public health This journal’s section is devoted at presenting studies on clinical issues of frailty and age-related conditions. This multidisciplinary section particularly welcomes reports from clinicians coming from different backgrounds and specialties dealing with the heterogeneous clinical manifestations of advanced age. Moreover, this part of the journal also contains reports on frailty- and age-related social and public health issues. - Clinical trials and therapeutics This final section contains all the manuscripts presenting data on (pharmacological and non-pharmacological) interventions aimed at preventing, delaying, or treating frailty and age-related conditions.The Journal of Frailty & Aging is a quarterly publication of original papers, review articles, case reports, controversies, letters to the Editor, and book reviews. Manuscripts will be evaluated by the editorial staff and, if suitable, by expert reviewers assigned by the editors. The journal particularly welcomes papers by researchers from different backgrounds and specialities who may want to share their views and experiences on the common themes of frailty and aging.The abstracting and indexing of the Journal of Frailty & Aging is covered by MEDLINE (approval by the National Library of Medicine in February 2016).
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