Table 1.

Characteristics of the circus interventions.

	Intervention Elements				Circus Disciplines
Citations Grouped by Intervention	Sessions per Week (Number)	Total Sessions (Number)	Duration per Session (Hours)	Total Dosage (Hours)	Aerials	Acrobatics	Object Manipulation	Equilibristics	Clowning
Agans et al., 2019 [17]	Not described				X 1	X	X	X	X
Barnett et al., 2020 [18]; Kiez, 2015 [36]; Kriellaars et al., 2019 [8]; Valentini et al., 2020 [74]	1–4	10–84	1	10–84	X	X	X	X
Biquet, 2014 [35]	1	ongoing program	3		X	X	X	X
Bolton, 2004 [33]			2		-	X	X	X
Bonk, 2019 [34]	1	1	1	1	X	X	X	X
Boyd et al., 2010 [42]; Gilmore et al., 2010 [45]; Rodger & Kennedy-Behr, 2017 [32]; Sakzewski et al., 2012 [60]; Sakzewski, Provan, et al., 2015 [57]; Sakzewski, Ziviani, Abbott, et al., 2011a [54], 2011b [55], 2011c [61]; Sakzewski, Ziviani, & Boyd, 2011 [53]; Sakzewski, Ziviani & Poulsen, 2015 [16];	5	10	2 (in addition to 4 h of other activities)	20 (of circus activities)	X	X	X
Boyd et al., 2013 [41]; Miller et al., 2016 [48]; Sakzewski, Miller, et al., 2015 [56]	5	10	2	20	X	X	X
Cadwell & Rooney, 2013 [71]		ongoing program			Specific circus activities not described
Caldwell, 1996 [75]	Not described						X
Candy, 2017 [20]	1 or 2	ongoing program	2.5		X		X	X
Cohen, 2018 [43]; Smith et al., 2017 [70]		ongoing programs			Specific circus activities not described
Csuros, 2015 [44]	1	ongoing program				X	X	X
Fernandez et al., 2018 [22]	1	10	1	10	X	X
Fournier et al., 2014 [4]	2	24			Specific circus activities not described
Heller & Taglialatela, 2018 [6]	1	16	1	16	X		X	X
Kinnunen et al., 2013 [69]		ongoing program			X	X	X	X
Kovalenko, 2018 [29]	5	ongoing program	1.5–3			X	X
Loiselle et al., 2019 [46]	2	48	2	96	X	X	X	X	X
Maglio & McKinstry, 2008 [9]	1	10–40	1	10–40		X	X	X
Mason, 2013 [72]	5	5				X	X
McCaffery, 2011 [65]	1	18	1.5–2	27–36			X	X
McCaffery, 2012 [64]		18	1.5	27			X	X
McCaffery, 2014 [63]	1	8	1.5	12			X	X
McCutcheon, 2003 [37]		ongoing programs			X	X	X	X	X
McGrath & Stevens, 2019 [47]	1	20	1	20	X	X		X
Momesso dos Santos et al., 2015 [49]	2	38	1	38	X	X		X
Neave et al., 2020 [50]	1	18	1	18	X	X	X	X
O’Donnell, n.d. [66]	1		1			X	X	X	X
Ott, 2005 [38]	2	ongoing program	2		X	X	X	X	X
Pompe, 2021 [30]		ongoing program				X	X
Rappaport, 2014 [73]	1–2		0.75–1.25		X	X	X	X	X
Rivard et al., 2010 [51]	1–2	ongoing program				X	X
Sahli et al., 2013 [52]	2	ongoing program	2				X	X
Seay, 2004 [39]	Not described				X	X	X
Seymour, 2012 [40]	1	ongoing program			X	X	X	X
Seymour & Wise, 2017 [58]	1				X	X	X
Spiegel et al., 2015 [59]	Not described				Specific circus activities not described
Stevens et al., 2019 [14]		ongoing program			X	X		X
Taylor & Taylor, 2004 [62]	3	ongoing program	1				X	X
Trotman, 2013a [67]	1	8	1.5	12		X	X	X
Trotman, 2013b [68]	1	ongoing program	1				X	X
Van Es et al., 2021 [21]	2	16	5	80	X	X	X	X

¹ X denotes the circus activity was described as part of the intervention.