Table 1.

Search Strategy for each database.

Databases	Search Strategy
PubMed Medline	(fatigue syndrome, chronic[mh] OR fatigue syndrome, chronic[tiab] OR fibromyalgia[mh] OR fibromyalgia[tiab]) AND (exercise[mh] OR exercise[tiab] OR exercise therapy[mh] OR exercise therapy[tiab] OR physical exercise[tiab] OR physical activity[tiab] OR training[tiab])
SCOPUS	TITLE-ABS-KEY ((“chronic fatigue syndrome” OR “fibromyalgia” OR “fibromyalgia syndrome”) AND (“exercise” OR “exercise” OR “physical exercise” OR “physical activity” OR “exercise therapy” OR “training”))
Web of Science	TOPIC: (* chronic fatigue syndrome * OR * fibromyalgia * OR * fibromyalgia syndrome *) AND TOPIC: (* exercise * OR * physical exercise * OR * physical activity * OR * exercise therapy * OR * training *)
CINAHL	AB (“chronic fatigue syndrome” OR fibromyalgia) AND AB (exercise OR “exercise therapy” OR “physical activity” OR training)
PEDro	Fibromyalgia AND exercise