High-speed resistance training and balance training for people with knee osteoarthritis to reduce falls risk: study protocol for a pilot randomized controlled trial

Abstract Background The number of falls experienced by people with knee osteoarthritis (OA) is almost double the number experienced by people with no OA. The neuromuscular elements required to arrest a fall are more impaired in people with knee OA compared to their asymptomatic counterparts. Therefo...

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Main Authors: Pazit Levinger, Jeremy Dunn, Nancy Bifera, Michael Butson, George Elias, Keith D. Hill
Format: Article
Language:English
Published: BMC 2017-08-01
Series:Trials
Subjects:
Online Access:http://link.springer.com/article/10.1186/s13063-017-2129-7
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author Pazit Levinger
Jeremy Dunn
Nancy Bifera
Michael Butson
George Elias
Keith D. Hill
author_facet Pazit Levinger
Jeremy Dunn
Nancy Bifera
Michael Butson
George Elias
Keith D. Hill
author_sort Pazit Levinger
collection DOAJ
description Abstract Background The number of falls experienced by people with knee osteoarthritis (OA) is almost double the number experienced by people with no OA. The neuromuscular elements required to arrest a fall are more impaired in people with knee OA compared to their asymptomatic counterparts. Therefore, these elements may need to be incorporated into an exercise intervention to reduce the risk of falling. The aim of this study will be to examine the feasibility, safety and patient satisfaction of a high-speed resistance-training program, with and without balance exercises, in people with knee OA compared to a control group. The effect of these exercise programs on lower-limb muscle strength and physiological and functional risk factors for falls will also be examined. Methods This study will be a pilot randomized controlled trial with a pre- and post-intervention design (outcome assessments at baseline and 8 weeks after participation commencement) comparing three groups: a control group (no intervention), a high-speed resistance-training group and a high-speed resistance-training plus balance exercises group. Thirty people with knee osteoarthritis aged 60–90 years will be recruited and randomized to one of the three groups. Feasibility and safety will be assessed by examining adherence to the exercise program, dropout rate, pain level during and following exercise, number of exercises stopped due to pain, and any adverse event or any incident that prevents the participant from completing the prescribed exercise. Secondary measures of lower-limb strength, physical function, self-reported pain and function, fear of falls, and executive function and quality of life will also be assessed. To determine statistical trends of effectiveness and hence to inform sample size for a fully powered study, analyses of the secondary outcomes will be performed to assess the changes within and between groups over time (pre-post) using repeated measure ANOVA. Discussion The results of this study will improve understanding of what type of exercise is safe and beneficial for people with knee OA to reduce their risk of falling, and hence will inform the development of a future large research trial. Trial registration Australian New Zealand Clinical Trials Registry, ID: ACTRN12616001382460 . Registered on 6 October 2016.
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spelling doaj.art-dd6140043b33417cb83419c4091187122022-12-21T17:30:51ZengBMCTrials1745-62152017-08-0118111110.1186/s13063-017-2129-7High-speed resistance training and balance training for people with knee osteoarthritis to reduce falls risk: study protocol for a pilot randomized controlled trialPazit Levinger0Jeremy Dunn1Nancy Bifera2Michael Butson3George Elias4Keith D. Hill5Institute of Sport, Exercise and Active Living (ISEAL), College of Sport and Exercise Science, Victoria UniversityInstitute of Sport, Exercise and Active Living (ISEAL), College of Sport and Exercise Science, Victoria UniversityInstitute of Sport, Exercise and Active Living (ISEAL), College of Sport and Exercise Science, Victoria UniversityInstitute of Sport, Exercise and Active Living (ISEAL), College of Sport and Exercise Science, Victoria UniversityInstitute of Sport, Exercise and Active Living (ISEAL), College of Sport and Exercise Science, Victoria UniversitySchool of Physiotherapy and Exercise Science, Curtin UniversityAbstract Background The number of falls experienced by people with knee osteoarthritis (OA) is almost double the number experienced by people with no OA. The neuromuscular elements required to arrest a fall are more impaired in people with knee OA compared to their asymptomatic counterparts. Therefore, these elements may need to be incorporated into an exercise intervention to reduce the risk of falling. The aim of this study will be to examine the feasibility, safety and patient satisfaction of a high-speed resistance-training program, with and without balance exercises, in people with knee OA compared to a control group. The effect of these exercise programs on lower-limb muscle strength and physiological and functional risk factors for falls will also be examined. Methods This study will be a pilot randomized controlled trial with a pre- and post-intervention design (outcome assessments at baseline and 8 weeks after participation commencement) comparing three groups: a control group (no intervention), a high-speed resistance-training group and a high-speed resistance-training plus balance exercises group. Thirty people with knee osteoarthritis aged 60–90 years will be recruited and randomized to one of the three groups. Feasibility and safety will be assessed by examining adherence to the exercise program, dropout rate, pain level during and following exercise, number of exercises stopped due to pain, and any adverse event or any incident that prevents the participant from completing the prescribed exercise. Secondary measures of lower-limb strength, physical function, self-reported pain and function, fear of falls, and executive function and quality of life will also be assessed. To determine statistical trends of effectiveness and hence to inform sample size for a fully powered study, analyses of the secondary outcomes will be performed to assess the changes within and between groups over time (pre-post) using repeated measure ANOVA. Discussion The results of this study will improve understanding of what type of exercise is safe and beneficial for people with knee OA to reduce their risk of falling, and hence will inform the development of a future large research trial. Trial registration Australian New Zealand Clinical Trials Registry, ID: ACTRN12616001382460 . Registered on 6 October 2016.http://link.springer.com/article/10.1186/s13063-017-2129-7OsteoarthritisFallsBalancePowerResistance training
spellingShingle Pazit Levinger
Jeremy Dunn
Nancy Bifera
Michael Butson
George Elias
Keith D. Hill
High-speed resistance training and balance training for people with knee osteoarthritis to reduce falls risk: study protocol for a pilot randomized controlled trial
Trials
Osteoarthritis
Falls
Balance
Power
Resistance training
title High-speed resistance training and balance training for people with knee osteoarthritis to reduce falls risk: study protocol for a pilot randomized controlled trial
title_full High-speed resistance training and balance training for people with knee osteoarthritis to reduce falls risk: study protocol for a pilot randomized controlled trial
title_fullStr High-speed resistance training and balance training for people with knee osteoarthritis to reduce falls risk: study protocol for a pilot randomized controlled trial
title_full_unstemmed High-speed resistance training and balance training for people with knee osteoarthritis to reduce falls risk: study protocol for a pilot randomized controlled trial
title_short High-speed resistance training and balance training for people with knee osteoarthritis to reduce falls risk: study protocol for a pilot randomized controlled trial
title_sort high speed resistance training and balance training for people with knee osteoarthritis to reduce falls risk study protocol for a pilot randomized controlled trial
topic Osteoarthritis
Falls
Balance
Power
Resistance training
url http://link.springer.com/article/10.1186/s13063-017-2129-7
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