The Short-term Effect of a Rollator on Functional Exercise Capacity Among Individuals With Severe COPD

STUDY OBJECTIVES: This study was conducted to examine the short-term effects of using a rollator on functional exercise capacity among individuals with COPD and to characterize which individuals benefit most from its use. DESIGN: Repeated-measures randomized crossover design using the 6-min walk test (6MWT) as the primary outcome measure.