Table 1.

Initial Scoping Search Strategy and Results.

	Search (in title, abstract key word)	Result
1	"physical activity" or "Physical activities" or "exercise or "sport"	322,076
2	"child" or "children" or "young people" or "teenager" or teenagers" or "young women" or young men"	2,080,581
3	"asthma" or "chronic illness" or "chronic disease"	354, 750
4	1 AND 2 AND 3	3,125
5	Remove duplicates	2,392
6	Limit to English Language	1860
7	Limit to "review articles"	611
8	Limit year 2001–2005	168
	Papers identified from Cochrane library	3
	Full papers obtained	61