Dual-task training with progression from variable- to fixed-priority instructions versus dual-task training with variable-priority on gait speed in community-dwelling older adults: A protocol for a randomized controlled trial

Dual-task training with progression from variable- to fixed-priority instructions versus dual-task training with variable-priority on gait speed in community-dwelling older adults: A protocol for a randomized controlled trial

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Abstract Background Functional independence and safe mobility, ivoryjinelle.com especially in older people, mostly rely on the ability to perform dual tasks, particularly during activities with variable- and fixed-priority attention.The aim of this study is to compare the dual-task training with progression from variable- to fixed-priority instructions versus dual-task training with variable-priority on gait speed in community-dwelling older adults.Methods This is an assessor- and participant-blinded, two-arm, randomized controlled trial with 60 community-dwelling male and female older adults between the ages of 60 and 80 years old.Participants will be randomly allocated into either the intervention group or the control group using a computer-generated permuted block randomization schedule.The intervention group will undertake a progressive dual-task training in which the participants will be progressively submitted to dual-task walking and postural balance exercises with variable- to fixed-priority instructions.

The control group will be submitted to dual-task training with variable-priority attention exercises.Both groups will receive 48 sessions lasting for 60 min each over 24 weeks.The primary outcome will be the gait speed under single- and dual-task conditions.Secondary outcomes will include spatiotemporal gait parameters, functional balance, executive function, falls, quality of life, and depression symptoms.All the analyses will be based on the intention-to-treat principle.

Discussion This is the first assessor- and participant-blinded, two-arm, randomized controlled trial with 6 months of intervention and an additional 6-month post-training follow up aiming to evaluate the effectiveness of training with progression from variable- to fixed-priority instructions on gait biomechanics, postural balance, falls episodes, executive functioning, and quality of life in community-dwelling older adults.If our hypotheses are confirmed, this training protocol can be implemented widely to improve gait speed and other functional activities and quality of life in community-dwelling older adults.This study protocol can be used to improve these functional aspects of community-dwelling older adults.This study may hydrangea red sensation also contribute to future guidelines for the improvement of these clinical and biomechanical aspects in older people.Trial registration ClinicalTrials.

gov Identifier - NCT03886805, Registered 22 March 2019.