Exercise therapy for functional capacity in chronic diseases: an overview of meta-analyses of randomised controlled trials.

Objective: To summarise all meta-analyses of randomised controlled trials that have evaluated the effects of exercise therapy on functional capacity in patients with chronic diseases.

Design: Umbrella review of meta-analyses of randomised controlled trials.

Data Sources: We systematically searched the CENTRAL, CINAHL, DARE, Medline, OTSeeker, PEDro, SPORTDiscus, ProQuest Nursing & Allied Health Database, Web of Science, Scopus, OpenGrey and BMC Proceedings from database inception to 1 September 2016.