Effectiveness of dual-task functional power training for preventing falls in older people: Study protocol for a cluster randomised controlled trial

Daly, Robin M, Duckham, Rachel L, Tait, Jamie L, Rantalainen, Timo, Nowson, Caryl A, Taaffe, Dennis R, Sanders, Kerrie, Hill, Keith D, Kidgell, Dawson J and Busija, Lucy (2015) Effectiveness of dual-task functional power training for preventing falls in older people: Study protocol for a cluster randomised controlled trial. Trials, 16 120: 1-15. doi:10.1186/s13063-015-0652-y

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Author Daly, Robin M
Duckham, Rachel L
Tait, Jamie L
Rantalainen, Timo
Nowson, Caryl A
Taaffe, Dennis R
Sanders, Kerrie
Hill, Keith D
Kidgell, Dawson J
Busija, Lucy
Title Effectiveness of dual-task functional power training for preventing falls in older people: Study protocol for a cluster randomised controlled trial
Journal name Trials   Check publisher's open access policy
ISSN 1745-6215
Publication date 2015-03-27
Year available 2015
Sub-type Article (original research)
DOI 10.1186/s13063-015-0652-y
Open Access Status File (Publisher version)
Volume 16
Issue 120
Start page 1
End page 15
Total pages 15
Place of publication London, United Kingdom
Publisher BioMed Central
Collection year 2016
Language eng
Formatted abstract
Background
Falls are a major public health concern with at least one third of people aged 65 years and over falling at least once per year, and half of these will fall repeatedly, which can lead to injury, pain, loss of function and independence, reduced quality of life and even death. Although the causes of falls are varied and complex, the age-related loss in muscle power has emerged as a useful predictor of disability and falls in older people. In this population, the requirements to produce explosive and rapid movements often occurs whilst simultaneously performing other attention-demanding cognitive or motor tasks, such as walking while talking or carrying an object. The primary aim of this study is to determine whether dual-task functional power training (DT-FPT) can reduce the rate of falls in community-dwelling older people.

Methods/Design
The study design is an 18-month cluster randomised controlled trial in which 280 adults aged ≥65 years residing in retirement villages, who are at increased risk of falling, will be randomly allocated to: 1) an exercise programme involving DT-FPT, or 2) a usual care control group. The intervention is divided into 3 distinct phases: 6 months of supervised DT-FPT, a 6-month ‘step down’ maintenance programme, and a 6-month follow-up. The primary outcome will be the number of falls after 6, 12 and 18 months. Secondary outcomes will include: lower extremity muscle power and strength, grip strength, functional assessments of gait, reaction time and dynamic balance under single- and dual-task conditions, activities of daily living, quality of life, cognitive function and falls-related self-efficacy. We will also evaluate the cost-effectiveness of the programme for preventing falls.

Discussion
The study offers a novel approach that may guide the development and implementation of future community-based falls prevention programmes that specifically focus on optimising muscle power and dual-task performance to reduce falls risk under ‘real life’ conditions in older adults. In addition, the ‘step down’ programme will provide new information about the efficacy of a less intensive maintenance programme for reducing the risk of falls over an extended period.
Keyword Dual-task training
Falls
Muscle power
Muscle function
Older persons
Cluster randomised controlled trial
Study protocol
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2016 Collection
School of Human Movement and Nutrition Sciences Publications
 
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