Table 2.

Methodological quality of the selected studies [12].

	Raya-González et al. (2021) [10]	Mashimo et al. (2021) [14]	Asker et al. (2020) [15]	Goes et at. (2020) [16]	Luig et al. (2020) [17]	Palmer et al. (2020) [18]	Asai et al. (2020) [19]	Ruehlemann et al. (2019) [20]	Florit et al. (2019) [21]	Mónaco et al. (2019) [22]	Tabben et al. (2019) [23]	Aman et al. (2019) [24]	Aasheim et al. (2018) [1]	Oshima et al. (2018) [25]
Does the time period of the study appear?	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Are there groups?	Yes	No	No	No	No	No	No	No	No	No	No	No	No	Yes
Does it talk about drop-outs or exclusions?	No	No	Yes	N/P	No	No	N/P	N/P	Yes	Yes	N/P	No	Yes	Yes
Does it talk about consent received from athletes?	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Does it say what kind of study it describes?	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes	Yes	Yes	Yes
Does it mention the parts of the body that are injured?	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes	Yes	Yes	Yes
Mechanism of injury or situation that occurs (overuse, traumatic, contact or non-contact)?	Yes	Yes	Yes	No	Yes	Yes	No	No	No	Yes	No	No	Yes	Yes
Is the definition of injury or a specific type of injury given?	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Is the average age of the subjects studied given?	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Is the gender of the subjects studied given?	No	Yes	Yes	Y/N	Yes	Yes	Yes	N/P	Y/N	Yes	Yes	Yes	Yes	Yes
Is the number of injuries occurring or an injury incidence rate given?	Yes	Yes	N/P	Yes	Yes	No	No	No	Yes	Yes	Yes	Yes	Yes	Yes
Is time lost after injury discussed?	Yes	Yes	No	No	Yes	No	No	No	N/P	No	Yes	No	No	No
Severity of injury?	Yes	Yes	No	No	Yes	No	No	No	N/P	No	Yes	Yes	Yes	No
Differences in injuries between specific positions?	No	Yes	No	No	Yes	N/P	No	No	No	Yes	Yes	No	No	No
Points, No (%) (28 maximum)	22 (78.6)	24 (80.0)	19 (67,9)	16 (57.1)	22 (78.6)	19 (67.9)	17 (60.7)	10 (35.7)	19 (67.9)	22 (78.6)	23 (82.1)	18 (64.3)	22 (78.6)	22 (78.6)
	Von Rosen et al. (2018) [26]	Asker et al. (2018) [2]	Andersson et al. (2018) [27]	Aman et al. (2018) [28]	Moller et al. (2017) [29]	Rafnsson et al. (2017) [30]	Giroto et al. (2017) [31]	Aman et al. (2016) [32]	Bere et al. (2015) [33]	Clarsen et al. (2015) [34]	Clarsen et al. (2014) [35]	Engebrestsen et al. (2013) [5]		Moller et al. (2012) [3]
Does the time period of the study appear?	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes		Yes
Are there groups?	No	No	No	No	Yes	No	No	No	No	No	No	No		Yes
Does it talk about drop-outs or exclusions?	Yes	Yes	Yes	No	Yes	Yes	Yes	No	No	Yes	Yes	N/P		Yes
Does it talk about consent received from athletes?	Yes	Yes	Yes	No	No	No	No	No	No	Yes	Yes	No		Yes
Does it say what kind of study it describes?	Yes	Yes	Yes	No	Yes	Yes	Yes	No	No	Yes	Yes	No		Yes
Does it mention the parts of the body that are injured?	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes	No		Yes
Mechanism of injury or situation that occurs (overuse, traumatic, contact or non-contact)?	No	No	Yes	No	No	Yes	Yes	No	Yes	Yes	No	Yes		Yes
Is the definition of injury or a specific type of injury given?	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes		Yes
Is the average age of the subjects studied given?	Yes	Yes	No	N/P	Yes	Yes	Yes	Yes	No	Yes	Yes	No		Yes
Is the gender of the subjects studied given?	Y/N	Yes	Yes	Yes	Y/N	Yes	Yes	Yes	Yes	Yes	Yes	Yes		Yes
Is the number of injuries occurring or an injury incidence rate given?	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No	No		Yes
Is time lost after injury discussed?	N/P	No	No	No	No	Yes	Yes	No	Yes	No	No	Yes		Yes
Severity of injury?	N/P	No	No	Yes	No	Yes	Yes	Yes	Yes	No	No	Yes		Yes
Differences in injuries between specific positions?	No	Yes	No	No	No	Yes	No	No	Yes	No	No	No		No
Points, No (%) (28 maximum)	19 (67.9)	20 (71.4)	18 (64.3)	13 (46.4)	19 (67.9)	24 (85.7)	22 (78.6)	12 (42.9)	18 (64.3)	18 (64.3)	16 (57.1)	13 (46.4)		26 (92.9)

Legend: Two points for “Yes”, 1 point “N/P”, 0 points for “No”.