The Effects of Six Months of Exercise on Single- and Dual-Task Posture, Gait, and Functional Mobility Relative to Usual Care Alone Among People Living with Dementia: The ENABLED Pilot Randomized Controlled Trial
Abstract
Cognitive–motor integration is the coordination of cognitive and motor processes; it is commonly impaired among people living with dementia (PWD) and may be improved through exercise. This pilot randomized controlled trial (1:1) aimed to determine the effect of 6 months of exercise on cognitive–motor integration compared to usual care in n = 42 PWD at two residential care facilities. Participants completed single- and dual-task standing (30 s of standing while counting backward by 1 s), walking (4 m walk while naming words), and timed-up-and-go (TUG) tests (TUG with a category task), measured using APDM inertial sensors at baseline and 6 months (age = 82 years, 35% female, Montreal Cognitive Assessment = 10.2 ± 5.9, NCT05488951). The adapted Otago Exercise Program involved 60 min of lower-body strength and balance exercises and walking 3x/week for 6 months. Usual care involved regular social activities and healthcare appointments. Exercise provoked increased single-task stride length and increased dual-task TUG turn velocity compared to usual care (p < 0.05). Usual care may reduce the ability to appropriately select cautious gait, as the usual care group exhibited faster dual-task gait speed at 6 months compared to the OEP plus usual care (p < 0.05), which was faster than their single-task gait speed. Our results support implementing the OEP to improve cognitive–motor integration in PWD.
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 42 participants or records.
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